HERS Rater Services:Blower door
All-Star provides Title 24 HERS Rating and compliance documentation services for both residential and non-residential projects.  

We are certified HERS Raters with both CHEERS & CalCerts for New Construction, Solar, and Alteration/Equipment Change-Out for residential and non-residential projects. 

In California, the most common HERS Rating is a duct leakage test.  Since 2005, All-Star has done over 1,000 duct leakage tests.  Other HERS Rater tests that may be required are:

  • Air Flow
  • Blower Door
  • Duct Leakage
  • EER Verification
  • Fan Watt Draw
  • High Quality Insulation Installation (QII)
  • Refrigerant Charge Measurement


 To schedule an HERS Rater call:  877-255-5475
or fill out the form below if you want us to contact you.