ATC Mechanical
ATC Mechanical is a HVAC provider serving Walnut Creek, CA. Rated 5.0★ with 18 Google reviews. See services, review signals, and request a quote.
HVACWalnut Creek, CA
On this page
Company overview
- TradeHVAC
- Service areaWalnut Creek, CA
- Google rating5.0★ (18 reviews)
- Phone(925) 465-6282
- Address1990 N California Blvd Fl 8 , Ste 875, Walnut Creek, CA 94596, USA
- CSLB License1144103 (ACTIVE)
Photos
Photos from ATC Mechanical
What customers say
“ATC did an amazing job getting my furnace up and running on a same day call when it was very cold outside and my heater wasnt working. They were very responsive, professional and courteous. Great job,…”
“ATC Mechanical did an excellent job installing my new heat pump. I had the compressor location changed from one end of the house to the other and Stiliyan made sure I was getting what I wanted. His bi…”
“I was honestly dreading having to get my ducts and vents cleaned. I imagined dust and dirt flying around everywhere and that I’d be left cleaning up after. Thankfully, that wasn’t the case at all! Sti…”
“Stiliyan/ATC Mechanical did an excellent job in installating two heat pumps at our home. We're very happy with the project quality, pricing, speed, and the level of communication that Stiliyan provide…”
“Exceptional Service from Stiliyan at ATC Mechanical. Exceptional Service from Stiliyan at ATC Mechanical. Stiliyan helped us out in a pinch when we needed a thorough, professional HVAC inspection for…”
Key highlights
Strengths
- Highly rated (5.0★ 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 ATC Mechanical offer?
ATC Mechanical provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Walnut Creek, CA.
What is ATC Mechanical's rating?
ATC Mechanical has a 5.0 out of 5 star rating based on 18 Google reviews.
Is this company licensed in California?
Yes. License number: 1144103. Status: ACTIVE. You can verify on the Contractors State License Board (CSLB) lookup at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx.
Does ATC Mechanical 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 2026-04-24. Reviews refreshed 2026-04-24.
Licensing data: Contractors State License Board (CSLB) · Company data: verified business records + Google Business profile
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