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Pribuss Engineering Inc
523 MAYFAIR AVE, So San Francisco, CA 94080, USA
Verify this license yourself at the California Contractors State License Board (CSLB).
When the air conditioner stops cooling a home in the middle of a California summer, most people want one thing fast: a qualified technician who can find the problem and fix it correctly. Pribuss Engineering Inc is an HVAC contractor that serves residential and commercial customers across California, and it is holding California contractor license #251241. The company has been licensed since 1968, giving it more than 58 years of experience in the trade.
Services Offered
Service Area
About Pribuss Engineering Inc
The company's work covers AC Services, heating-services" class="font-medium text-brand-blue hover:underline">Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up. A typical AC visit involves checking refrigerant levels, inspecting coils and electrical connections, clearing condensate lines, and testing system performance. Ductwork work may include sealing leaks, correcting airflow imbalances, and replacing damaged sections. Heat pump, furnace, and thermostat jobs follow the same pattern of inspection, testing, and clear explanation before any repair begins.
Because California's climate ranges from coastal fog to inland heat, local systems face very different demands. Pribuss Engineering Inc schedules service across the state, and its technicians understand how seasonal temperature swings affect heating and cooling equipment. Regular maintenance helps prevent breakdowns during peak periods, while prompt emergency response addresses failures that cannot wait.
When comparing local professionals, ask about licensing, the scope of each proposed repair, and how the company handles follow-up questions. HVAC Service Fast can help you review qualified contractors in your area and find the right fit for your home or business.
State license record
California license #251241
Renewal date passed — confirm status- Issued by
- Contractors State License Board (CSLB)
- Status
- Active as of Aug 4, 2026
- First issued
- Jan 1968 (58 years)
- Renewal was due
- Sep 30, 2026
- Business type
- Corporation
- County on file
- San Mateo
What the license covers
- B General Building
- C-4 Boiler, Hot-Water Heating and Steam Fitting
- C-16 Fire Protection
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning
- C-36 Plumbing
From CSLB public license data as of Aug 4, 2026. Licenses change — confirm the current status at the California Contractors State License Board (CSLB).
Frequently Asked Questions
What services does Pribuss Engineering Inc offer?
What areas does Pribuss Engineering Inc serve?
How do I choose a licensed, insured HVAC contractor in California?
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Local market — South San Francisco
HVAC pros here
23
Have a website
35%
Cooling demand
163
Heating demand
2,653
Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).
Local context for South San Francisco
- Pribuss Engineering Inc is one of 22 businesses we list for ac services in South San Francisco (23 HVAC businesses in total).
Buying a new AC or heat pump in California
- California is in the DOE Southwest region: new central air conditioners installed since January 1, 2023 must meet at least 14.3 SEER2 and 11.7 EER2 (13.8 SEER2 and 11.2 EER2 for systems 45,000 BTU/h and larger). Heat pumps must meet 14.3 SEER2 and 7.5 HSPF2 nationwide.
- Since 2025, new systems are built for lower-impact refrigerants such as R-454B or R-32. Ask which refrigerant a quoted system uses and for its AHRI certificate number, which confirms the matched system’s rated efficiency.
Before you hire Pribuss Engineering Inc
Based on the records we hold for this business.
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Confirm the license renewal
The CSLB record we saw on Aug 4, 2026 listed license #251241 with a renewal date of Sep 30, 2026. Most renewals go through on time — check the current status before you sign. Look it up: California Contractors State License Board (CSLB)
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Ask for proof of insurance
We have no insurance details on file. Ask for a certificate of general liability and workers' compensation coverage before anyone works in your home.
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Ask who pulls the permit
Replacing an AC, furnace, heat pump or water heater usually needs a local permit and inspection. A licensed contractor normally pulls it — ask that the permit is included in the written quote.
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Ask for local references
We do not have review data for this business yet. Ask for two or three recent customers near you.
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California homeowner protection
California law caps the down payment on a home improvement contract at 10% of the contract price or $1,000, whichever is less. Never pay more up front.
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Where this information comes from
- Name, address and phone
- State license records · added Aug 4, 2026
- California license
- CSLB public license data · record date Aug 4, 2026
- Profile summary
- Written automatically from the records above
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HVAC Service Fast is an independent HVAC directory and is not affiliated with this business. Listing details are compiled from publicly available information and may be incomplete or outdated. We do not endorse or guarantee any provider — please verify licensing and insurance directly. See our Disclaimer.