A1 HVAC Service of Westminster
A1 HVAC Service of Westminster is a HVAC provider serving Westminster, CA. Rated 4.9★ with 28 Google reviews. See services, review signals, and request a quote.
HVACWestminster, CA
On this page
Company overview
- TradeHVAC
- Service areaWestminster, CA
- Google rating4.9★ (28 reviews)
- Phone(714) 503-8420
- AddressWestminster, CA 92683, USA
Services offered
- installation
- repair
- inspection
- emergency
Photos
Photos from A1 HVAC Service of Westminster
What customers say
“Very professional and fair. Willing to go an extra mile to save you a buck and honest. For a new company, I would think today been a brown for years and years, I highly recommend. Using your services.…”
“When my AC stopped working A1 told me I needed a whole new unit for over 5k. I got a second opinion and it was just a capacitor. Unfortunately they still got me for a $200 diagnostic fee even though t…”
“Issues are resolved quickly, and all techs are very competent and patient with customers. The team at A1 HVAC Service of Westminster is diligent, skilled, and courteous. The guys have been outstanding…”
“The technician arrived earlier than expected, which was fantastic. He swiftly discovered and corrected the issue I was having, and most importantly, he got my air conditioner working again.”
“Very quick to respond to my email and the lady I spoke with was very polite and honest.”
Key highlights
Strengths
- Highly rated (4.9★ average)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does A1 HVAC Service of Westminster offer?
A1 HVAC Service of Westminster provides: installation, repair, inspection, emergency. They serve residential and commercial customers in Westminster, CA.
What is A1 HVAC Service of Westminster's rating?
A1 HVAC Service of Westminster has a 4.9 out of 5 star rating based on 28 Google reviews.
Is this company licensed in California?
All listed providers have a verified California contractor license at time of publication. You can verify on the Contractors State License Board (CSLB) lookup at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx.
Does A1 HVAC Service of Westminster offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-22. Reviews refreshed 2026-04-22.
Licensing data: Contractors State License Board (CSLB) · Company data: verified business records + Google Business profile
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