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Cf 1R Alt Hvac Template

The Cf 1R Alt Hvac form is a crucial document designed for managing the efficiency standards for residential HVAC alterations in California's Climate Zones 10 to 15. It outlines specific requirements, including the necessity for permits, equipment efficiency, duct insulation, and the mandatory HERS verification for alterations. The form serves as a guide for contractors to ensure compliance with the 2008 Building Energy Efficiency Standards, helping to avoid potential fines or disciplinary actions.

Ensuring your HVAC projects align with California's energy standards is straightforward with the Cf 1R Alt Hvac form. Click the button below to smoothly navigate through the process of filling out your form.

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Table of Contents

Builders and homeowners undertaking residential HVAC (Heating, Ventilation, and Air Conditioning) alterations in climate zones 10 to 15 must navigate the complexities of compliance with the 2008 Building Energy Efficiency Standards. These standards, detailed in the CF-1R-ALT-HVAC form, mandate prerequisites from equipment efficiency to duct insulation, aiming to enhance energy conservation in residential spaces. Not only does the form outline the necessity for a construction permit prior to any HVAC-related alterations, but it also underscores the serious repercussions of non-compliance, including fines or suspension of a contractor's license. Furthermore, the document shines a light on the mandatory HERS (Home Energy Rating System) verifications required for all alterations, specifying the tests and documentation necessary for final inspection approval. The form also provides clarity on the minimum efficiency ratings for heating and cooling equipment, the significance of setback thermostats, and the detailed requirements for duct sealing and insulation to ensure optimal energy utilization. This approach not only promotes a sustainable environment but also fosters an understanding of the legal and professional standards expected of contractors in the state of California, making the CF-1R-ALT-HVAC form a pivotal document in residential HVAC projects.

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(ENFORCEMENT AGENCY CAN CUSTOMIZE WITH LETTERHEAD/SEAL)

2008 Building Energy Efficiency Standards Residential HVAC Alterations Climate

Zones 10 to 15

BUSINESS AND PROFESSIONS CODE, SECTION 7110

Willful or deliberate disregard and violation of the building laws, including the California Building Code, and local permit requirements constitutes a cause for disciplinary action from the Contractors State License Board working in conjunction with the local building department. This action may consist of fines up to $5,000 per violation or suspension/revocation of a contractor’s license.

WHEN IS A PERMIT REQUIRED?

A written construction permit shall be obtained from the enforcement agency prior to the erection, construction, reconstruction, installation, relocation, or alteration of any mechanical system, except as permitted in Appendix Chapter 1, Section 112.2 of the 2007 California Mechanical Code. Projects requiring permits include, but are not limited to:

New HVAC installation

Relocation of an existing HVAC unit

HVAC Changeout

Adding or replacing more than 40ft ducting

• Replacement of furnace, coil, FAU, or condenser

 

in unconditioned space

2008 BUILDING ENERGY EFFICIENCY STANDARDS (Title 24, Part 6) REQUIREMENTS INCLUDE:

1.Heating equipment must have a minimum 78% AFUE (Exception: Wall & floor furnaces; room heaters).

2.Central air conditioners & heat pumps less than 65,000 Btu/hr must have a minimum 13 SEER.

3.Newly installed or replaced ducts must have a minimum insulation value of R-4.2. When more than 40 ft of ducting will be installed or replaced, the duct insulation value must be R-6 (CZ 10-13), or R-8 (CZ 14 and 15).

4.A setback type thermostat (24 hr clock with four set points) is required for all alterations.

5.New or replacement ducts must meet the mandatory requirements of Section 150(m):

All joints and openings in the in the HVAC system must be sealed.

Only UL 181, UL 181A, or UL 181B approved tapes or mastic shall be used to seal duct openings.

Connections of metals ducts and the inner core of flex ducts shall be mechanically fastened. Flex ducts must be connected using a metal sleeve/coupling.

Flex ducts that are suspended must be supported every 4ft. max for horizontal runs with no more than 2” of sag between supports and 6 ft. max for vertical runs.

WHEN IS HERS VERIFICATION REQUIRED AND WHAT FORMS ARE REQUIRED?

HERS verification is required for all HVAC alterations in Climate Zone 10-15. A HERS rater is a special inspector for the building department. The building inspector may also request to be on site to witness testing by the contractor and/or HERS rater. The installer picks one of the four options on the CF-1R-ALT-HVAC Form that describe the work being conducted. Each option lists the forms required to be at the job site for final inspection.

CF-6R Forms shall be completed and submitted by the installing contractor for final inspection.*

CF-4R Forms shall be completed, registered with an approved HERS Provider (cannot be completed by hand), and submitted by the HERS Rater for final inspection effective January 1, 2010.

DESCRIPTION OF HERS TESTS BELOW (Full descriptions found in Residential Appendix RA3 and Residential Manual)

Duct sealing – The installer is to insure leakage of the HVAC system is less than 6% for new air conditioning system (new equipment and all new ducts) or 15%, 60% reduction, seal all accessible leaks, etc. for alterations to existing HVAC systems. When the contractor uses the option to seal all accessible leaks, all easily movable objects must be moved to seal existing ducting. New ducting installed by the contractor is not allowed to have any leaks even if it is no longer accessible. In example 3 of the CF-1R “all new ducts” means that all the ducting was changed. The original boots, plenums, etc. do not need to be changed.

Cooling Coil Airflow (CCA) – There are two different minimum air flow requirements that must be met. These are 300 CFM and 350 CFM. The minimum 300 CFM per ton of cooling is required in order to conduct a refrigerant charge test. For new HVAC systems (new equipment and new ducts) the HVAC system must move a minimum 350 CFM of air for each ton of cooling.

Refrigerant Charge (RC) – The installer is required to verify the charge is correct. If the outside temperature is below 55 degrees then the weigh in method must be used by the installer. When the weigh in method is used the HERS rater must retest when the temperature is 55 and above. A charge indicator display (CID) can be used in place of conducting an RC, manufacturers are currently developing this device.

Temperature Measurement Access Holes (TMAH) – Installer must drill and mark holes to measure temperature split.

Hole for the placement of a Static Pressure Probe (HSPP) or Permanently installed Static Pressure Probe (PSPP) – Either the installer must drill and mark holes to measure static pressure or a permanently installed pressure probe must be installed and marked. Saturation Temperature Measurement Sensors (STMS) – Permanently installed type K thermocouple are installed on the indoor and outdoor coil so that the HERS rater can verify charge without attaching gauges. Instructions are found in Ch 4 of the Res. Manual. Fan Watt Draw (FWD) – Installer verifies that the furnace fan watt draw is less than 0.58 Watts/CFM.

NOTE: The CF-6R-MECH-04 is required for all HVAC alterations.

*For Final inspection ALL compliance forms (CF-1Rs, CF-6Rs, and CF-4Rs) shall be registered with an approved HERS Provider for building permit applications submitted on or after October 1, 2010.

Required Forms:

Simplified Prescriptive Certificate of Compliance: 2008 Residential HVAC Alterations

CF-1R-ALT-HVAC

Climate Zones 10 to 15

 

 

 

 

 

 

 

 

 

 

 

 

 

Site Address:

 

 

Enforcement Agency:

Date:

 

Permit #:

 

 

 

 

 

 

Equipment Type1

List Minimum Efficiency2

 

Conditioned Floor

 

Duct insulation requirement

Area

 

Thermostat

† Packaged Unit

 

 

Over 40 ft of ducts added or

 

 

† Setback

† Furnace

† AFUE____

† COP______

 

 

replaced in unconditioned space

Served by system

 

(If not already

† Indoor Coil

†SEER_____

† HSPF ____

 

† R 6 (CZ 10-13)

________ sf

 

present, must be

† Condensing Unit

† EER _____

† Resistance

 

† R 8 (CZ 14-15)

 

 

installed)

† Other ________

 

 

 

 

 

 

 

 

 

 

1.Equipment Type: Choose the equipment being installed; if more than one system, use another CF-1R-ALT-HVAC for each system.

2.Minimum Equipment Efficiencies: 13 SEER, 78% AFUE, 7.7HSPF for typical residential systems.

HERS VERIFICATION SUMMARY Listed below are four HVAC alteration Options. The installer decides what work is being done and picks one of the appropriate Options. Each Option lists the HERS measures that must be conducted. A copy of the forms shall be left on site for final inspection and a copy given to the homeowner. At final, the inspector verifies that the work listed on this form was in fact the work completed by the installer. The inspector also verifies that each appropriate CF-6R and registered CF-4R forms (no hand filled CF-4Rs allowed) are filled out and signed. Beginning October 1, 2010, a registered copy of the CF-1R and CF-6R shall also be on site for final inspection.

† 1. HVAC Changeout

Required Forms:

All HVAC Equipment replaced

CF-6R forms: MECH-04, MECH-21-HERS and (for split systems) MECH- 25-HERS

CF-4R forms: MECH- 21 and (for split systems) MECH-25

 

Condenser Coil and /or

CF-6R forms: MECH-21-HERS and (for split systems) MECH- 25-HERS

Indoor Coil and /or

CF-4R forms: MECH- 21 and (for split systems) MECH-25

Furnace

 

For Split Systems: Duct leakage < 15 percent; RC, CCA ≥ 300 CFM/ton(Minimum Air Flow Requirement), TMAH

For Packaged Units: Duct leakage < 15 percent

Exempted from duct leakage testing if:

†1. Duct system was documented to have been previously sealed and confirmed through HERS verification, or

†2. Duct systems with less than 40 linear feet in unconditioned space, or

†3. Existing duct systems are constructed, insulated or sealed with asbestos

†2. New HVAC System

Cut in or Changeout with new ducts: (all new ducting and all new equipment)

Required Forms:

CF-6R forms: MECH-04, MECH-20-HERS,and (for split systems) MECH-22-HERS, and MECH-25-HERS

CF-4R forms: MECH 20-, and (for split systems)MECH-22, and MECH 25

For Split Systems: Duct leakage < 6 percent; RC, CCA ≥ 350 CFM/ton, FWD, TMAH, STMS, and either HSPP or PSPP.

For Packaged Units: Duct leakage < 6 percent

†3. New Ducts with/or without Replacement

Includes replacing or installing all new ducting and/or outdoor condensing unit and/or indoor coil and/or furnace. No or some equipment changed.

Required Forms:

CF-6R forms: MECH-04, MECH-20-HERS,and (for split systems) MECH-25-HERS

CF-4R forms: MECH-20 and (for split systems) MECH-25

For Split Systems: Duct leakage < 6 percent, RC, CCA ≥ 300 CFM/ton, TMAH

For Packaged Units: Duct leakage < 6 percent

† 4. New Ducting over 40 feet

Includes adding or replacing more than 40 CF-6R forms: MECH-04, MECH-21-HERS CF-4R forms: MECH-21 linear feet of duct in unconditioned space.

For split system or packaged units: Duct leakage < 15 percent

†EXCEPTION: Existing duct systems constructed, insulated or sealed with asbestos.

Contractor (Documentation Author's /Responsible Designer's Declaration Statement)

I certify that this Certificate of Compliance documentation is accurate and complete.

I am eligible under Division 3 of the California Business and Professions Code to accept responsibility for the design identified on this Certificate of Compliance.

I certify that the energy features and performance specifications for the design identified on this Certificate of Compliance conform to the requirements of Title 24, Parts 1 and 6 of the California Code of Regulations.

The design features identified on this Certificate of Compliance are consistent with the information documented on other applicable compliance forms, worksheets, calculations, plans and specifications submitted to the enforcement agency for approval with the permit application.

Name:

Company:

Address:

City/State/Zip:

Signature:

Date:

License:

Phone:

2008 Residential Compliance Forms

March 2010

Form Breakdown

Fact Name Description
Governing Law The form is governed by the 2008 Building Energy Efficiency Standards for residential HVAC alterations, specifically under Title 24, Part 6, of the California Code of Regulations.
Permit Requirements A written construction permit is necessary before proceeding with the erection, construction, reconstruction, installation, relocation, or alteration of any mechanical system, with certain exceptions outlined in the 2007 California Mechanical Code, Appendix Chapter 1, Section 112.2.
Disciplinary Actions Violations of building laws, including disregarding the California Building Code and local permit requirements, can lead to disciplinary actions by the Contractors State License Board, in conjunction with the local building department, including fines of up to $5,000 per violation or suspension/revocation of a contractor’s license.
Energy Efficiency Standards Highlights include minimum AFUE of 78% for heating equipment, minimum 13 SEER for central air conditioners and heat pumps less than 65,000 Btu/hr, and specific duct insulation requirements based on Climate Zones.
HERS Verification and Documentation HERS verification is mandatory for all HVAC alterations in Climate Zones 10-15, with different requirements outlined for HVAC changeouts, new systems, new ducts with or without replacement, and new ducting over 40 feet in unconditioned spaces. Specific CF-6R and CF-4R forms must be completed and available at the job site for final inspection.

Guidelines on Filling in Cf 1R Alt Hvac

Filling out the CF-1R-ALT-HVAC form is a critical step in ensuring compliance with the 2008 Building Energy Efficiency Standards for Residential HVAC Alterations in Climate Zones 10 to 15. After completing this form, the next steps involve gathering all the required documentation, including the CF-6R and CF-4R forms, and preparing for the final inspection. These forms verify that the HVAC system alterations meet the mandatory requirements, and it is essential to have them on site for the final inspection. Additionally, if the building permit application was submitted on or after October 1, 2010, these compliance forms must be registered with an approved HERS Provider. By following these guidelines, you can help ensure a smoother inspection process and compliance with California's energy efficiency standards.

  1. Start by entering the Site Address of the HVAC alteration project at the top of the form.
  2. Fill in the Enforcement Agency overseeing the project based on the location of the alteration.
  3. Provide the Date on which the form is being filled out and the Permit # associated with the project.
  4. Under Equipment Type, select the type of equipment being installed by checking the appropriate box (e.g., Furnace, Indoor Coil, Packaged Unit, etc.). Use another CF-1R-ALT-HVAC form if there is more than one system being altered.
  5. Next, specify the Minimum Efficiency values for the equipment being installed, including AFUE, SEER, COP, HSPF, EER, and resistance, based on the project’s requirements.
  6. Indicate the Conditioned Floor Area Served by the system and the Duct Insulation Requirement, specifying the square footage and the required R-value as per the climate zone.
  7. If a Setback Thermostat is not already present, mark the box to indicate that it will be installed as part of the project.
  8. Choose which HVAC alteration option applies to the project by reviewing the four options listed and ticking the corresponding box. Each option outlines specific requirements for the type of alteration being performed.
  9. Complete the Contractor (Documentation Author's/Responsible Designer's Declaration Statement) section at the end of the form. Enter the name, company, address, city/state/zip, signature, date, license number, and phone number of the responsible party.
  10. Ensure all required forms listed for the selected HVAC alteration option (CF-6R and CF-4R forms) are completed and will be on site for the final inspection. Remember to register these forms with an approved HERS Provider if required by the project’s permit application date.

Learn More on Cf 1R Alt Hvac

What is the CF-1R-ALT-HVAC Form?

The CF-1R-ALT-HVAC form is a compliance document required for specific HVAC alterations under the 2008 Building Energy Efficiency Standards (Title 24, Part 6) in California's Climate Zones 10 to 15. It ensures HVAC installations or changes meet state energy efficiency requirements.

When is a permit required for HVAC alterations?

A permit must be obtained before starting HVAC projects such as new installations, relocation, changeouts, adding or replacing substantial ducting, or replacing significant components in unconditioned spaces. This is to ensure that all alterations comply with the local and state building codes.

What are the energy efficiency standards mentioned in the form?

The form outlines several efficiency standards, including:

  • Heating equipment must have a minimum 78% AFUE.
  • Central air conditioners and heat pumps must have a minimum of 13 SEER if they are less than 65,000 Btu/hr.
  • Ducts installed or replaced must have minimum insulation values, varying by Climate Zone.
  • A setback thermostat is required for all alterations.

When is HERS verification required?

HERS verification is mandatory for all HVAC alterations in Climate Zones 10-15. This process involves inspections by a HERS rater to ensure that the HVAC system meets specific performance and efficiency criteria outlined by the California Building Standards Commission.

What are the HERS tests mentioned in the document?

The document lists several HERS testing requirements, such as duct sealing, cooling coil airflow, refrigerant charge, and verification of temperature measurements, among others. These tests aim to ensure that HVAC systems are installed correctly and operate efficiently.

What forms are required for the final inspection?

For the final inspection, the following forms must be submitted:

  • CF-6R forms, completed by the installing contractor.
  • CF-4R forms, completed and registered by a HERS rater, for HVAC alterations done after January 1, 2010.
Beginning October 1, 2010, a registered copy of the CF-1R form must also be on site.

What are the four HVAC alteration options listed?

The form outlines four HVAC alteration options, each specifying the work to be done and the corresponding HERS measures required. These range from complete system changeouts to adding or replacing ducting. The choice of option dictates which forms need to be present at the final inspection.

What penalties can arise from non-compliance?

Failure to comply with building laws, including the requirements on the CF-1R-ALT-HVAC form, can result in disciplinary actions. These may include fines up to $5,000 per violation or suspension/revocation of a contractor's license by the Contractors State License Board in cooperation with the local building department.

How does one certify compliance on the CF-1R-ALT-HVAC form?

Certification of compliance involves the responsible designer or contractor declaring that the design and installation conform to Title 24 requirements. This includes ensuring that all documented energy features and performance specifications are accurate, complete, and meet the energy efficiency standards of the California Code of Regulations.

Common mistakes

Filling out the CF-1R-ALT-HVAC form for residential HVAC alterations in climate zones 10 to 15 can sometimes be tricky. To ensure the process is smooth and compliant, avoid these common mistakes:

  1. Not obtaining a permit when it is required. Before starting any work, it is crucial to understand that projects such as new HVAC installations, relocating existing units, changing out HVAC systems, or adding more than 40ft of ducting require a written construction permit.

  2. Overlooking minimum equipment efficiency requirements. The form specifies that heating equipment must have a minimum 78% AFUE, air conditioners and heat pumps less than 65,000 Btu/hr must have at least 13 SEER, and there are also specific insulation values for newly installed or replaced ducts. Mistakes in meeting these numbers could lead to non-compliance.

  3. Failing to install a setback type thermostat for alterations. This is a requirement that can be easily missed. A 24-hour clock with four set points is mandatory to adhere to the energy efficiency standards.

  4. Incorrect sealing and connection of ducts. All joints and openings in the HVAC system must be properly sealed with specific materials, and mechanical fastenings are required for metal ducts and the inner core of flex ducts. Moreover, flex ducts need to meet support specifications every 4ft. max for horizontal runs and every 6 ft. max for vertical runs.

  5. Not understanding when HERS verification is needed. Some may not realize that HERS verification is required for all HVAC alterations in the specified climate zones. They might also miss that the installing contractor and HERS rater must complete different forms for the job to pass final inspection.

Avoiding these mistakes can save time, money, and ensure that the HVAC alteration meets the required building energy efficiency standards. Remember, detailed adherence to the CF-1R-ALT-HVAC form is not just about compliance—it's also about ensuring comfort, safety, and energy savings for homeowners.

Documents used along the form

When undertaking residential HVAC alterations, especially in compliance with the 2008 Building Energy Efficiency Standards and within climate zones 10 to 15, multiple forms and documents are crucial. These not only ensure that the project adheres to set standards but also facilitate smoother approvals and inspections. Here’s a summary of documents often used in conjunction with the CF-1R-ALT-HVAC form, offering an overview of why and how they contribute to the HVAC project's compliance and execution.

  • CF-6R Forms: These forms are essential for documenting the installation and compliance details of HVAC systems. They cover various aspects, including mechanical, duct sealing, and energy efficiency measures. The CF-6R-MECH-04, for instance, must be filled out and submitted by the installing contractor for the final inspection, ensuring that the HVAC alterations meet the required standards.
  • CF-4R Forms: Completed by a HERS rater, these forms are crucial for verifying that installed HVAC systems conform to specific HERS measures. They must be registered with an approved HERS provider and are necessary for final inspection. These documents validate the proper installation and performance of HVAC components, including duct systems and mechanical equipment.
  • Building Permit Application: Obtaining a building permit is a prerequisite for most HVAC projects. This application is the starting point, requiring detailed project information and typically accompanied by the CF-1R-ALT-HVAC form and other related documents to ensure the project meets local building codes and standards.
  • Duct Sealing Certification: For HVAC alterations that include ductwork, a duct sealing certificate from a qualified professional is often required. This document verifies that the duct system is sealed properly, minimizing leakage and enhancing the system's efficiency.
  • Equipment Specifications Sheets: These provide detailed information about the HVAC equipment being installed, including efficiency ratings (SEER, AFUE, HSPF), capacities, and model numbers. They are essential for ensuring that the equipment meets the minimum efficiency requirements as stated in the CF-1R-ALT-HVAC form.
  • Mechanical Plan Drawings: Detailed drawings of the HVAC system layout, including the placement of units, ductwork routing, and locations of vents. These plans are crucial for permit approval and guide the installation process, ensuring that the system design meets code requirements and operates efficiently.
  • Energy Calculations: These calculations demonstrate how the proposed HVAC system meets the energy efficiency requirements of Title 24, Part 6. They are sometimes required to be submitted along with the permit application to justify the system's design and equipment choices.
  • HERS Testing Reports: After the installation, HERS testing reports are required to validate that the HVAC system and ductwork meet specific performance criteria. These reports are prepared by a HERS rater and are necessary for final inspection and compliance verification.

In addition to the CF-1R-ALT-HVAC form, these documents play a pivotal role in ensuring the HVAC project's success - from planning and permit application through to final inspection and compliance verification. By adequately preparing and submitting these forms, homeowners and contractors can help expedite the approval process, avoid potential issues, and ensure the project meets all necessary standards for efficiency and safety.

Similar forms

  • The CF-6R Forms are similar because they require documentation from the installing contractor for final inspection. These forms focus on compliance related to mechanical systems, including confirmation of energy performance standards being met, similar to the CF-1R-ALT-HVAC form which also deals with verifying HVAC system upgrades meet specified energy efficiency requirements.

  • The CF-4R Forms share similarities as they need to be completed by a HERS rater and submitted for final inspection. They emphasize the necessity of HERS verification for HVAC alterations, which parallels the CF-1R-ALT-HVAC form's requirement for specific HERS testing and verification steps to ensure compliance with energy efficiency standards.

  • Energy Commission Compliance Forms for other residential alterations or new constructions are related in their purpose of ensuring that certain energy efficiency criteria are met. Like the CF-1R-ALT-HVAC, these forms may require details about equipment efficiency, duct sealing, and other energy-relevant characteristics of the project.

  • Building Permit Application Forms typically require detailed information about the project, including compliance with local codes and standards. They are similar to the CF-1R-ALT-HVAC form as both entail documentation that must be submitted and approved before beginning any construction or alteration work.

  • Mechanical System Compliance Documents, which are used for ensuring that new or altered mechanical systems comply with local and state regulations, are akin to the CF-1R-ALT-HVAC form. These documents focus on aspects like system design, installation, and efficiency standards.

  • The HERS Verification Documents are similar as they detail the requirements and processes for HERS raters to verify the energy efficiency and performance of HVAC systems. These documents align with the CF-1R-ALT-HVAC form in ensuring that installed systems meet stringent efficiency criteria.

  • Duct Leakage Test Forms specifically focus on the verification of duct sealing in HVAC systems. Similar to the CF-1R-ALT-HVAC form's requirements for duct sealing and leakage tests, these forms are crucial for validating that the ductwork does not exceed allowable leakage rates, ensuring energy efficiency.

Dos and Don'ts

Filling out the CF-1R-ALT-HVAC form is a critical step in ensuring compliance with the 2008 Building Energy Efficiency Standards for residential HVAC alterations in California's Climate Zones 10 to 15. Proper completion of this form facilitates not only adherence to building codes but also aids in streamlining the permit and inspection processes. To help with this task, here are essential do's and don'ts to consider:

Do:

  • Ensure accuracy: Double-check that all entered information is accurate and complete. This includes the site address, permit number, equipment types, and efficiency details. Mistakes or inaccuracies can lead to delays or issues with permit approval.
  • Consult with a professional: If you're uncertain about any aspect of the HVAC system or the form, seek advice from a qualified HVAC professional or a HERS rater. Their expertise can guide you in ensuring that all technical details are correctly addressed.
  • Use approved materials and methods for duct sealing: As stipulated, utilize only UL 181, UL 181A, or UL 181B approved tapes or mastic for sealing duct openings. Correct materials and techniques are crucial for meeting the mandatory requirements for new or replacement ducts.
  • Keep copies of all documents: Make sure that copies of the CF-1R-ALT-HVAC form along with CF-6R and CF-4R forms are readily available on-site for the final inspection. This documentation is essential for verifying compliance with the required standards and regulations.

Don't:

  • Overlook the requirement for HERS verification: Failing to arrange for HERS verification when necessary can result in non-compliance. Remember, HERS verification is mandatory for all HVAC alterations in Climate Zones 10-15.
  • Ignore equipment efficiency minimums: Do not install HVAC equipment that fails to meet the specified minimum efficiency standards, such as 13 SEER for air conditioners and heat pumps or 78% AFUE for heating equipment. Compliance with these standards is not optional.
  • Disregard duct insulation requirements: When adding or replacing ducts, it's critical not to bypass the insulation value requirements tailored to specific Climate Zones. Proper duct insulation is vital for energy efficiency and compliance.
  • Use handwritten forms for submission: As of January 1, 2010, CF-4R forms must be registered with an approved HERS Provider and cannot be completed by hand. Ensuring that these forms are properly filled out and submitted is crucial for the final inspection process.

Misconceptions

When it comes to HVAC systems and alterations in residences within Climate Zones 10 to 15, there are several misconceptions about the CF-1R-ALT-HVAC form and its requirements. Let's clear up some of these misunderstandings:

  • Permits are optional for minor HVAC work: Contrary to what some may believe, a written construction permit is necessary before starting most HVAC projects, including new installations, relocations, changeouts, and even replacing more than 40 feet of ducting.

  • All HVAC equipment shares the same efficiency requirements: This is not the case. Specific minimum efficiency standards, such as 78% AFUE for heating equipment and a minimum of 13 SEER for central air conditioners and heat pumps, must be met. Different types of equipment have different requirements.

  • Duct insulation is standardized: In reality, the required insulation value changes based on the amount of ducting being installed or replaced and the climate zone, ranging from R-4.2 up to R-8.

  • A setback type thermostat isn’t always required: This is a myth. A setback type thermostat is obligatory for all alterations, aiding in energy conservation by automatically lowering or raising the temperature when not home.

  • Sealing all ducts isn’t necessary: Actually, it's mandatory for all HVAC system alterations. Every joint and opening must be sealed with specific materials to ensure efficiency and compliance.

  • HERS verification is optional: A common misconception. HERS verification is mandatory for all HVAC alterations in specified climate zones to ensure the system meets certain energy efficiency and performance criteria.

  • Any form of documentation is acceptable for final inspection: Incorrect. Specific forms, such as CF-6R and CF-4R, must be completed correctly and present at the job site for the final inspection to confirm compliance.

  • Refrigerant charge tests are always necessary: While ensuring the correct refrigerant charge is crucial, the method, such as using a weigh-in method or a charge indicator display, can vary based on situational factors like outside temperature.

  • All duct sealing improvements meet the requirements: To meet requirements, duct sealing must reduce leakage to less than 6% for new systems or achieve a significant reduction for alterations. Simply sealing accessible leaks without meeting these criteria doesn't suffice.

  • Compliance forms don’t need to be registered: For building permit applications submitted on or after October 1, 2010, all compliance forms, including CF-1Rs, CF-6Rs, and CF-4Rs, must be registered with an approved HERS Provider for final inspection readiness.

Understanding these points can help ensure that HVAC projects are completed effectively, in compliance with regulations, and without unnecessary delays or fines. Always consult the latest guidelines and seek professional advice where necessary.

Key takeaways

Filling out and using the CF-1R-ALT-HVAC form, which deals with Residential HVAC Alterations for Climate Zones 10 to 15 under the 2008 Building Energy Efficiency Standards, requires careful attention to a range of details. Here are key takeaways for contractors and designers involved in HVAC installations or alterations:

  • Permit Requirements: A construction permit is mandatory before starting any HVAC project, including new installations, relocations, changes, or adding over 40 feet of ducting. This ensures that work adheres to local and state building codes.
  • Efficiency Standards: New heating equipment must meet a minimum Annual Fuel Utilization Efficiency (AFUE) of 78%, and central air conditioners and heat pumps less than 65,000 Btu/hr must have at least 13 SEER. These standards help in promoting energy efficiency.
  • Duct Insulation: For new or replaced ductwork, there are specific insulation requirements based on the amount of ducting and the climate zone. This is crucial for minimizing energy loss.
  • Setback Thermostats: The installation of setback thermostats, which can adjust the temperature according to a set schedule, is required for all HVAC alterations. This feature can significantly reduce energy consumption.
  • Duct Sealing: All ductwork must be sealed using approved materials to prevent leaks. This is fundamental to the efficiency of the HVAC system, and every joint and opening must be properly addressed.
  • HERS Verification: The Home Energy Rating System (HERS) verification is necessary for all HVAC alterations in specified climate zones. This process involves testing and verification by a HERS rater to ensure that the installation meets required standards.
  • Compliance Documentation: It is essential to have CF-6R and CF-4R forms completed and on-site for final inspection. These forms document the compliance of the installation with energy efficiency standards.
  • Installation Options: The CF-1R-ALT-HVAC form outlines four options for HVAC alterations. Each option has specific requirements and forms that must be completed, based on the scope of work.
  • Testing and Measurements: The form specifies various tests (like duct sealing, airflow, and refrigerant charge) and measurements that might be required, depending on the type of HVAC alteration. Compliance with these requirements ensures optimal system performance.
  • Responsibility Declaration: The person filling out the form must certify that the information provided is accurate and complies with all relevant codes and regulations. This is a legal declaration of the project's compliance with energy efficiency guidelines.

Overall, compliance with the CF-1R-ALT-HVAC form and its requirements is not just about regulatory adherence. It is also about ensuring that HVAC systems are energy-efficient, perform well, and contribute to the comfort and safety of the buildings they serve.

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