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Sierra Great Basin LLC
10350 N MCCARRAN BLVD #1047, Reno, NV 89503, USA
Verify this license yourself at the California Contractors State License Board (CSLB).
Sierra Great Basin LLC builds its work around AC Services, helping California homeowners and businesses keep cooling systems running reliably when temperatures climb. The company serves residential and commercial customers who want straightforward service, clear explanations, and equipment that performs as it should.
Services Offered
Service Area
About Sierra Great Basin LLC
Beyond cooling, the company offers Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up. Typical work includes checking refrigerant levels, cleaning coils and filters, inspecting electrical connections, and sealing ductwork leaks that waste conditioned air. Furnace and heat pump service focuses on safe ignition, airflow, and efficient operation, while thermostat work covers replacing or programming controls. Emergency calls address sudden breakdowns, and scheduled tune-ups help prevent them.
The service area is California, so technicians account for the state's varied conditions. Coastal homes may face humidity and salt air, inland valleys endure long, intense summers, and mountain properties deal with harsh winters. Those differences affect equipment sizing and maintenance timing.
Sierra Great Basin LLC holds California contractor license #1129263 on the state contractor registry and has been licensed since 2024, giving it more than two years in the trade. Anyone comparing local pros can look up that license number directly. Getting several written estimates and confirming the scope of work are sound steps before hiring. For more options, search for an HVAC contractor near me and review listings on HVAC Service Fast.
State license record
California license #1129263
Renewal due Nov 30, 2026- Issued by
- Contractors State License Board (CSLB)
- Status
- Active as of Aug 4, 2026
- First issued
- Nov 2024 (1 year)
- Valid through
- Nov 30, 2026
- Business type
- Limited Liability
What the license covers
- 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 Sierra Great Basin LLC offer?
What areas does Sierra Great Basin LLC serve?
How do I choose a licensed, insured HVAC contractor in California?
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What are signs it is time to call an HVAC professional?
Local market — Reno
HVAC pros here
51
Have a website
47%
Cooling demand
873
Heating demand
5,268
Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).
Local context for Reno
- Sierra Great Basin LLC is one of 49 businesses we list for ac services in Reno (51 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 Sierra Great Basin LLC
Based on the records we hold for this business.
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State license on record
CSLB lists #1129263 as active (record dated Aug 4, 2026). Licensed since 2024. 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.