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Bay Area HVAC Service

rebates · May 29, 2026 · 5 min

Home Energy Score in the Bay Area: What the DOE Audit Tells You and Which Rebates Pay for It

DOE Home Energy Score is a 1 to 10 rating from a one-hour on-site audit. BayREN pays a $200 incentive for the score plus $50 for the Electrification Checklist when cycles are open. Here is what the audit covers and how we run it.

Home Energy Score in the Bay Area: What the DOE Audit Tells You and Which Rebates Pay for It

A Home Energy Score is a U.S. Department of Energy rating from 1 to 10. Ten is best. The score is generated from a one-hour on-site audit by a certified assessor. It is not an estimate or a guess. The DOE tool takes the measured inputs and returns a number that buyers, sellers, and lenders can use the same way across the country.

We run the audit as part of our service in the Bay Area when a homeowner asks for one, when we are already on site for a heat pump quote, or when an MLS listing needs it before going active.

What we look at in the hour

The score depends on the building envelope, the HVAC equipment, and the windows. We walk the home and collect:

  • Wall, ceiling, and floor insulation type and approximate R-value
  • Duct location and condition. Attic ducts in older Tri-Valley homes are usually the biggest single drag on the score
  • HVAC equipment age, SEER2 or AFUE rating, and tonnage
  • Window count, glazing, and frame type
  • Water heater type and fuel
  • Air leakage when the homeowner asks for a blower door test

Combustion safety on gas appliances gets a separate check. We test the furnace and water heater for draft and CO at the burner. This is not part of the DOE score itself but it is part of how we run a visit. If something fails we write it up before the score goes out.

What BayREN pays

BayREN runs the Bay Area Regional Energy Network programs. The Home Energy Score incentive has paid $200 in recent cycles, plus an additional $50 for completing the Electrification Checklist. Both come and go with funding. We confirm what is currently paying at booking. When neither is open we say so and quote the audit as a private service.

For comparison: federal Section 25C expired December 31, 2025, and Tech Clean California closed November 14, 2025. We do not quote either. The BayREN incentive is the live program for the audit itself. Separate utility programs through MCE, PG&E, and EBCE or Ava in Alameda County may pay for equipment upgrades that the score recommends.

What the report looks like

The output is one PDF with two parts. The first part is the score and a comparison band against similar Bay Area homes. The second part is a prioritized list of upgrades. Each upgrade line shows the score gain, the rough cost, and the payback estimate. The DOE generates the recommendations. We do not add or remove items from the list.

A typical Bay Area report names duct sealing, attic insulation upgrade, and HVAC replacement near the top. Older Tri-Valley homes often show the score gain biggest on duct work because the attic ducts in those homes were installed before R-8 was standard.

When the audit makes sense

The audit is worth doing when:

  • You are selling and the listing benefits from a verified efficiency number
  • You are planning HVAC or insulation work and want a baseline before and after
  • You want a prioritized roadmap before deciding what to do first
  • You qualify for the BayREN incentive and the audit cost is covered

The audit is not worth doing when the home is already in the middle of a major remodel that will change the envelope before the report dries.

Booking

Call (925) 999-4095 or use the form on the contact page. We confirm BayREN funding status and the visit window when we book. The walkthrough is about an hour, the written report goes out within 48 hours, and the BayREN paperwork is filed by us as part of the service.

Key takeaways

  • DOE Home Energy Score is a 1 to 10 rating. 10 is best. Walkthrough takes about an hour.
  • BayREN typically pays $200 for the score plus $50 for the Electrification Checklist when funding is open. Confirm at the time of booking.
  • The audit covers insulation, ducts, building envelope, combustion safety, and HVAC condition.
  • Buyers can use a recent score on the MLS listing. Owners use it to prioritize upgrades.
  • We run the audit on the same visit as a quote or seasonal tune-up where it makes sense.

Related questions

How long does the Home Energy Score audit take?
About one hour on site. We walk the home, measure the envelope, inspect HVAC condition, check combustion safety on gas appliances, and collect the data the DOE scoring tool needs. The score and the written recommendations are emailed within 48 hours.

What does the $200 incentive cover, and is it still active?
BayREN runs the $200 Home Energy Score incentive in cycles. When funding is open, the $200 covers most or all of the audit cost. There is also a $50 Electrification Checklist add-on. We confirm both at booking and only quote the score when a cycle is paying.

Will the audit damage my home or take HVAC offline?
No. The walkthrough is non-invasive. Thermal imaging is a handheld camera that reads surface temperatures. Blower door testing is optional and pressurizes the envelope for a few minutes with a calibrated fan in a doorway. Nothing is opened up, nothing is cut.

Can the score be used when selling the house?
Yes. The DOE score is recognized nationwide and can be added to MLS listings. A recent score gives buyers a verified efficiency number instead of a guess. Some buyers also use the score to justify financing for upgrades.

What if my score is low?
The report ranks recommended upgrades by impact and approximate cost. We can scope and quote any of the HVAC items directly. Insulation and envelope items go to a weatherization contractor. There is no obligation to do any of the work to keep the score.

Written by Andrew Kuznetsov. Andrew is the founder and owner of Bay Area HVAC Service (ADRIUM Service Solutions). He holds a California Contractor License (CSLB #1136642), EPA 608 certification, and completed factory training at the Daikin/Goodman plant in Houston in 2025. He writes from direct field experience, not marketing copy.

Further reading

  • Switching a Nest Thermostat to Emergency Heat: How and When , On a heat-pump system, Emergency Heat forces your backup source to carry the whole load. Here is how to turn it on with a Nest thermostat, when you actually should, and the warning signs that mean your heat pump needs service instead.
  • Why We Offer 10-Year Parts + 10-Year Labor on HVAC Installations , Most HVAC contractors in the Bay Area offer 10-year parts (because the manufacturer requires it) and 1-2 years on labor. We offer 10-year labor too. This isn't marketing: it's a math decision that tells you something about how we build. Here's what the labor warranty actually covers, why most shops won't write it, and how it changes the install in ways that matter to you.
  • AC Sizing Rules of Thumb (And Why They're Wrong) , The 500 square feet per ton rule, the 'match your existing tonnage' rule, the 'add half a ton for upstairs' rule, all of these have their fans, and all of them are wrong often enough to cost Bay Area homeowners thousands of dollars in oversized equipment, short-cycling, and shortened equipment life. Here's what each rule misses and what to use instead.

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