Qualtech Heating & Cooling
Qualtech Heating & Cooling
Qualtech Heating & Cooling is based in downtown Danville and has served the East Bay since 2007. Its work covers heating, cooling and indoor air quality, including ductless split systems that can serve up to nine indoor units from one outdoor unit.
Last Updated October 2, 2026.
Business Highlights
- It is family-owned and woman-owned.
- It reports more than 35 years of HVAC industry experience.
- It is a Carrier Factory Authorized Dealer.
- It lists California license #905205.
- The company describes itself as fully licensed and insured.
- It advertises a labor guarantee of up to 10 years.
- Equipment warranties may be available for up to 12 years, depending on the manufacturer.
Service Area
The East Bay Area; Alameda and Contra Costa counties; Alamo, Concord, Danville, Dublin, Lafayette, Livermore, Oakland, Pleasant Hill, Pleasanton, San Ramon and Walnut Creek.
Active Business Listing
Qualtech Heating & Cooling is one of 7 HVAC companies ProsGrade lists in Danville, California.
7 services listed, including Air conditioning services, Heating services and Ductless A/C systems. Open 24 hours, 7 days a week. Rated 4.7 from 90 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Qualtech Heating & Cooling compares with the other 6 HVAC companies on ProsGrade in Danville, using public Google ratings and review counts.
- One of 5 Danville HVAC companies on ProsGrade rated 4.7 or higher from at least 10 reviews.
Services Covered
7 services- Air conditioning servicesSystem installation and repair
- Heating servicesRepairs and installations; ductless systems, furnaces and heat pumps
- Ductless A/C systemsSingle- and multi-zone split systems; up to nine indoor units per outdoor unit
- Air quality servicesAerus Air Scrubber with ActivePure® technology; ozone and ozone-free models
- Air duct cleaningVacuum trucks, continuous negative pressure and agitation devices
- Air duct repair and replacementInstallation, repair and replacement; in-duct UV filtration
- Air duct sealing
Reviews
What customers say
Customers praise clear explanations of equipment options and polite, professional installation crews. One customer noted a spotless work area; another appreciated Erika's coordination of permit paperwork.
Customer Reviews
Ginny Davies
Mendi Gunadi
Linda McCann
Saket Singhania
Write a Review
Share your experience with this business. Reviews are moderated before they appear publicly.
Frequently Asked Questions
Does Qualtech Heating & Cooling offer emergency service?
Emergency service is available 24/7.
Are free estimates available for Qualtech Heating & Cooling installations?
Free estimates are available for new and replacement HVAC equipment installations.
Can Qualtech Heating & Cooling heating equipment include room-by-room temperature control?
Heating equipment can include zoned conditioning for room-by-room temperature control.








