“Late March 2025, Qualtech replaced my old AC and Gas Furnace with a Carrier Heat Pump. Qualtech has always been great and provided excellent customer service. The new unit was installed quickly within a day by the technicians. Estimator Daniel was great and climbed up to the attic to check the…”F DeJong · a month ago
4.6· 100 Google reviews
The #1 AC Repair in Danville
AC or heat not keeping up? Call now and get $100 off your first job!
Call for a repair quote- Same-day service
- Free on-site estimate
- Satisfaction guarantee
- 1-year workmanship warranty
- $100 off your first job
Get a fast, free estimate
Prefer to call? (510) 393-1229
What customers say
“We had an awesome experience with Qualtech for a full HVAC and furnace replacement of our 20+ year old unit. I got a few estimates from local companies, and their pricing was really fair compared to the competition. Daniel was super helpful with the estimate, working within our budget instead of…”Daniel Fuad · 4 months ago
“The Qualtech team is A+, we recommend them to everyone who asks. We live in center city and it's hard to be sure you're getting a trustworthy group that will finish the job the right way. This team uses only the best brands and they are so on top of customer service. Al and team have kept us cool…”Carla Mote · 4 months ago
“I Recommend Eco Comfort Colling to for service advice and repairs, I didn’t replace my unit thanks to Miza that came over and gave me a second opinion. He was able to properly diagnose a part (contactor) and got my system runnning back the same day. I’m glad I made the choice of calling someone…”Ashley · 3 months ago
How it works
Call or request a call back
Tell us what's going on. We'll ask a few questions and give you an honest idea of cost and timing on the spot.
Get a clear quote
We look at the job and give you one price in writing before any work starts. No surprises on the invoice.
Work done, cleaned up
We show up when we say we will, do the job right, and leave the place as clean as we found it.
Backed by our satisfaction guarantee and 1-year workmanship warranty
We stand behind our work. If something isn't right, call us and we'll make it right.
Common questions
What areas do you serve?
We serve Danville and nearby communities including Oakland, CA, Berkeley, CA and Walnut Creek, CA.
How do I get a quote from Qualtech Heating & Cooling?
Call us at (510) 393-1229 or use the “Call for a free estimate” form on this page and we’ll get back to you.
What are your hours?
Open 24 hours.
What do customers say about Qualtech Heating & Cooling?
Qualtech Heating & Cooling is rated 4.6 out of 5 from 100 Google reviews.
What services do you offer?
We offer air conditioning services, heating system services, ductless a/c systems, air duct cleaning, duct repair and replacement and air duct sealing services.
Ready to get started?
AC or heat not keeping up? Call now and get $100 off your first job!
Call for a repair quoteOr request a call back