HERS Rater: Duct Testing and Compliance Services

HERS Compliance & Testing for New Residential Construction, Alterations and Non-Residential


CPG is a licensed and certified provider of HERS Inspections, Testing, and Rating for HVAC contractors, builders, and homeowners in Northern and Southern California.  Whether the installation is commerical, residential retrofit or new construction, we have the expertise and professionalism to provide superior services.  California’s energy code requires that a third party, certified HERS rater perform verifications on several aspects of a home’s construction. Incentive programs offered by PG&E and other utility providers also require that a HERS rater perform special inspections before qualifying a home. CPG is certified to meet the growing industries demand.


If you have any questions about what it takes to pass your HERS Rating, just give us a call at 650.269.3470 and let us give you a complimentary consultation. 


Our HERS services include:

  • Duct Leakage Testing (duct testing)

  • Refrigerant Charge Verification (RCV) and Airflow

  • Solar (PV) Verifications

  • Whole House Air Infiltration Testing (blower door testing)

  • Energy Star Verifications

  • Quality Insulation Inspections

  • Fan Watt Draw / Fan Efficacy Veritifcations

  • Green Building Verifications

  • Support in completing forms CF-1R and CF-6R, CF-1R and CF-2R


We provide prompt compliance certificate registation so you can have your final inspection quickly. 



Testing requirements for new and altered heating and cooling systems is shown below:


As of July 1, 2014, new Title 24 rules are now in effect.  

CalCERTS License # CC2006504

Check your Climate Zone (CZ) Requirements:

CZ 3:


Daly City

East Palo Alto



Menlo Park



Redwood City

San Bruno

San Francisco

San Mateo

Scotts Valley

CZ 4:




Morgan Hill

Mountain View


Palo Alto

San Jose

Santa Clara


CZ 12:





San Ramon

Walnut Creek


CZ 2:


Santa Rosa

Contact Us Today to Discuss your Project Needs! 

Phone: (650) 269.3470


Email: pcorrea@cpg-consultants.com


Or send us an email.


CPG is fully insured and licensed.


Office Locations:

San Francisco and San Diego


Visit our Southern California website:



News & Important Links

CPG Consultants LLC is a Certified LBE and MBE Firm


Call us today for to see if you qualify for a free energy audit for your Multifamily Building!


For latest CALGreen revisions that went into effect on July 1, 2015 click here.


CPG is a qualified partcipating Rater for PG&E's Energy Upgrade CA Multifamily Program in Southern California.  As qualified Rater we can perform Energy Efficiency Performance Audits, required for building owners to benefit from the Multifamily Energy Upgrade California Program.  Click here to learn more.  


GreenPoint Rating:  What's in it for you?  

Click here to learn more


Here's a good article on CalGreen and its relation to GreenPoint Rated & Title 24:

"CalGreen, GreenPoints, and Title 24-What's the Deal?" by Rebecca Firestone in GreenCompliancePlus


Building Benchmark:  Per AB 1103, its the law.  Initial compliance will begin on January 1, 2014 (California) for non-residential buildings going through a financial transaction which includes: a sale, lease and refinance.  Click here for more info.


Frequently Asked Questions about CA's Non-Residential Building Energy Use Disclosure Law (AB 1103), click here:  


CTCAC Sustainable Building Method Requirements for affordable housing projects


"Affordable Housing with Unaffordable Energy Bills, Innovative Financial Solutions to Drive Greater Efficiency," excellent article discussing affordable housing and efficiency




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