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Gilmore Service Source
1918 SPRUCE DR, Lake Havasu, AZ 86406, USA
Verify this license yourself at the California Contractors State License Board (CSLB).
When the air conditioner quits during a California heat wave, most homeowners want one thing fast: a qualified technician who can diagnose the problem and restore comfort without guesswork. Gilmore Service Source is a heating and cooling company that serves California homes and businesses, and its work begins with that same practical goal in mind. The company holds California state contractor license #736163 and has been licensed since 1997, giving it more than 29 years in the trade.
Services Offered
Service Area
About Gilmore Service Source
The company's service menu covers the full range of residential and light commercial needs. AC Services include inspection, refrigerant checks, and repairs for cooling systems that are running warm or cycling too often. Heating Services and Furnace Services address ignition problems, airflow issues, and worn components before cold weather arrives. Heat Pumps, Thermostat Services, and Ductwork Services help systems run efficiently by correcting controls, sealing leaks, and improving air distribution. For urgent breakdowns, Emergency HVAC response addresses the problem first, while Maintenance & Tune-up visits catch small faults before they become expensive ones.
Gilmore Service Source works throughout California, where climate varies sharply from coastal fog belts to inland valleys and desert regions. Those differences affect how systems wear and what they need, so local experience matters when a technician recommends a repair or replacement. Customers in the state benefit from a provider that understands regional demands on cooling and heating equipment.
If you are comparing local HVAC pros, ask about licensing, the scope of the work, and how repairs are documented. Clear answers to those questions are a good sign that you have found a dependable partner. HVAC Service Fast lists Gilmore Service Source to help California homeowners compare options with confidence.
State license record
California license #736163
Active- Issued by
- Contractors State License Board (CSLB)
- Status
- Active as of Aug 4, 2026
- First issued
- May 1997 (29 years)
- Valid through
- May 31, 2027
- Business type
- Sole Owner
What the license covers
- C-10 Electrical
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning
- C-38 Refrigeration
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 Gilmore Service Source offer?
What areas does Gilmore Service Source serve?
How do I choose a licensed, insured HVAC contractor in California?
What should I check before hiring an HVAC professional?
What are signs it is time to call an HVAC professional?
Local market — Lake Havasu City
HVAC pros here
26
Have a website
62%
Cooling demand
4,643
Heating demand
1,135
Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).
Local context for Lake Havasu City
- Gilmore Service Source is one of 26 businesses we list for ac services in Lake Havasu City.
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 Gilmore Service Source
Based on the records we hold for this business.
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State license on record
CSLB lists #736163 as active (record dated Aug 4, 2026). Licensed since 1997. Re-check it yourself before work starts — it is free and takes a minute. 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.