Qualtech Heating & Cooling

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Qualtech Heating & Cooling
307 SURVEYS
15 CONSECUTIVE YEARS
SINCE SEPTEMBER 2012
CERT 1906

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307
Verified Customers
Surveyed
Customer Loyalty
Customer Satisfaction
Helpful Expertise

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation
  • License Verification
  • Legal & Finance

Company Report Menu

  • Survey Responses (reviews)
  • Diamond Certified Video Player
  • Researched Articles & Profile
  • Capabilities
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  • Website & External Feeds

Diamond Certified Company Report SUMMARY UPDATE September 2026

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Qualtech Heating & Cooling

Rated Highest in Quality and Helpful Expertise for 15 Consecutive Years.

Quick Summary

  • Diamond Certified since 2012
  • Provides HVAC installation, maintenance, and repair services for residential and light commercial clients in Alameda and Contra Costa Counties
  • Offers free estimates on installations of new and replacement HVAC equipment
  • Available 24/7

Top News Updated

COMPANY MILESTONES

Qualtech Heating & Cooling is celebrating its 19th anniversary in 2026.

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Top Survey Responses

From a recent Diamond Certified Survey Response: “They [quickly] installed our air conditioning system and there have been no issues since. They have everything down to a science.”

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From a recent Diamond Certified Survey Response: “They were honest, fast, efficient, personable, professional and respectful of our wishes. We were satisfied.”

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Trending Projects

Qualtech Heating & Cooling recently replaced the crawl space ductwork in an Alamo home and redirected additional airflow to the bedrooms. The client praised estimator Francisco for providing an excellent...

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Qualtech Heating & Cooling
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Qualtech Heating & Cooling
Heating & Air Conditioning
|
Alameda  Contra Costa Counties
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15 CONSECUTIVE YEARS

Diamond Certified Video Reports

Qualtech Heating & Cooling

Qualtech Heating & Cooling - Diamond Certified Video Profile

Diamond Certified Researched Articles on Qualtech Heating & Cooling

researched article

One of Qualtech Heating & Cooling’s stocked service vans

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Qualtech Heating & Cooling has been providing a wide range of HVAC services for residential and light commercial clients throughout Contra Costa and Alameda Counties for over 18 years. The company is trained in the newest heat pump technology and offers a wide range of equipment for all homeowners. In addition to installing, repairing, and maintaining all types of heating and air conditioning equipment, Qualtech provides air duct cleaning services and a variety of indoor air quality options.

Owner Myriam Rios credits much of Qualtech Heating & Cooling’s success to its customer-oriented business approach, which includes providing an open line of communication throughout every step of every project. “We really get to know our customers and strive to build lasting relationships with them,” says Ms. Rios. “They know we’re going to do everything we can to make them feel as comfortable as possible.”

In the ever-changing landscape of current California rebates, incentives and tax credits, Qualtech Heating & Cooling stays up-to-date on all the most recent information. “We help our customers navigate the process so they can take full advantage of all incentives available,” says Ms. Rios. “Homeowners can rest assured knowing the process is carefully monitored and we’re here to help from beginning to end.”

Myriam Rios, Owner-Qualtech Heating & Cooling
Myriam Rios, Owner

Diamond Certified Researched Capabilities on Qualtech Heating & Cooling

Service Area

serving area
Alameda County
Contra Costa County
Serving Alameda and Contra Costa Counties, Including Martinez, Concord, Pleasant Hill, Walnut Creek, Rossmoor, Danville, Alamo, San Ramon, Dublin, Pleasanton, Livermore, Castro Valley, Hayward, Alameda, San Leandro, San Lorenzo, Lafayette, Moraga, Orinda, Berkeley, Oakland, Piedmont, Rockridge, Emeryville, Claremont, El Cerrito, Albany, Rodeo, Hercules, San Pablo, Richmond, Crockett, Pittsburg, Antioch and Brentwood

Main Services

Heating & Air Conditioning
  • Ac Tune Ups
  • Air Conditioner Repair
  • Air Conditioning
  • Commercial Air Conditioning
  • Ductless Heating And Cooling Systems
  • Furnace Repair
  • Heat Pump Repair
  • Heating
  • Hvac Installation
  • Hvac Replacement
  • Mini Splits
  • Water Heater Repair

Additional Services

Heating & A/C System (Including Furnaces and Ductless Heat-A/C Systems) Installation, Maintenance & Repair
Duct Cleaning
Indoor Air Quality
Whole-House Fans

Company Info

Hours
Mon
07:00 am - 07:00 pm
Tue
07:00 am - 07:00 pm
Wed
07:00 am - 07:00 pm
Thu
07:00 am - 07:00 pm
Fri
07:00 am - 07:00 pm
Sat
07:00 am - 07:00 pm
Sun
07:00 am - 07:00 pm
Closed
Mon – Sun: 7am – 7pm
After Hours: Available by Appointment
Website
Contact
Qualtech Heating & Cooling

Capabilities Table

Company Name
Qualtech Heating & Cooling
Phone Number
DCID Number
DCID9258312444
Managers
Myriam Rios, Owner
Years in Industry
35 (Manager)
# of Employees
10
License
905205
Insurance
Liability Insurance,
Workers' Compensation
Founded
2007
Customer Type
Light Commercial, Residential
Warranties & Guarantees
10-Year Warranty on New Equipment, 3-Year Warranty on Labor for New Installations, 2-Year Warranty on Parts and Labor for Repairs
Payment Accepted
american express,
discover,
mastercard,
visa,
PayPal

Certifications & Awards

Brands

American Standard logoAmerican Standard
Bryant logoBryant
Carrier logoCarrier
Lennox logoLennox
Mitsubishi logoMitsubishi
QuietCool logoQuietCool
Trane logoTrane
York logoYork

Key Factors

Qualtech Heating & Cooling Family Owned
Family Owned
Qualtech Heating & Cooling Established in 2007
Established in 2007
Qualtech Heating & Cooling Senior Discount
Senior Discount
Qualtech Heating & Cooling Residential & Commercial
Residential & Commercial
Qualtech Heating & Cooling Free Quotes & Consultations
Free Quotes & Consultations
Qualtech Heating & Cooling Same-Day Service
Same-Day Service
Qualtech Heating & Cooling Coupon on Website
Coupon on Website
Qualtech Heating & Cooling Live Phone Call Answers
Live Phone Call Answers
Qualtech Heating & Cooling Same-Day Response
Same-Day Response
Qualtech Heating & Cooling Worksmanship Guaranteed
Worksmanship Guaranteed

Select Photos From Qualtech Heating & Cooling

1 of 15Picture of In a neatly organized utility closet, a York heating unit installed by Qualtech Heating & Cooling showcases the company's focus on quality outcomes, ensuring efficient home climate control. Copyright ©2025 Diamond Certified Resource

 - Qualtech Heating & Cooling
In a neatly organized utility closet, a York heating unit installed by Qualtech Heating & Cooling showcases the company's focus on quality outcomes, ensuring efficient home climate control. Copyright ©2025 Diamond Certified Resource
Picture of In a neatly organized utility closet, a York heating unit installed by Qualtech Heating & Cooling showcases the company's focus on quality outcomes, ensuring efficient home climate control. Copyright ©2025 Diamond Certified Resource

 - Qualtech Heating & Cooling
Picture of In a quiet corner, a newly installed heating unit stands resilient, embodying Qualtech Heating & Cooling's commitment to quality outcomes. This installation reflects the company's focus on quality service. Copyright ©2025 Diamond Certified Resource - Qualtech Heating & Cooling
Picture of Tucked neatly within a closet, a well-installed heating unit showcases Qualtech Heating & Cooling's commitment to quality outcomes. The attention to detail reflects their focus on achieving high customer satisfaction ratings. Copyright ©2025 Diamond Certified Resource

 - Qualtech Heating & Cooling
Picture of The company installs top-of-the-line heating and cooling systems. - Qualtech Heating & Cooling
Picture of A neatly installed HVAC system by Qualtech Heating & Cooling, showcasing their commitment to quality outcomes and professional craftsmanship. This system reflects their reputation for high customer satisfaction ratings. Copyright ©2025 Diamond Certified Resource

 - Qualtech Heating & Cooling
Picture of In the quiet recess of a crawl space, expertly wrapped ductwork reflects Qualtech Heating & Cooling's commitment to quality outcomes. This attention to detail underscores why the company is consistently recognized for expertise and quality. Copyright ©2025 Diamond Certified Resource

 - Qualtech Heating & Cooling

Qualtech Heating & Cooling Website and External Feeds

Website

Social Media Links

FAQs
By Qualtech Heating & Cooling

How soon can you get here?

Do you give estimates over the phone?

Do you give free estimates?

How long will it take to clean the air ducts in my house?

Can you help me save money on my utility bill?

Qualtech Heating & Cooling Ratings and Survey Responses (reviews)

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Qualtech Heating & Cooling
307 SURVEYS
  • 4.7
  • star image
  • star image
  • star image
  • star image
  • star image
15 CONSECUTIVE YEARS
SINCE SEPTEMBER 2012
CERT 1906

Diamond Certified Ratings Dashboard

Customer Satisfaction

Customer Loyalty

Helpful Expertise

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation
  • License Verification
  • Legal & Finance
Qualtech Heating & Cooling

Based in Danville, CA

4.7 avg. star score from 307 Verified Customer Phone Survey Responses

(Reviews: Scroll down to read them.)

Our surveys of only verified real customers produce the country’s most accurate ratings of local companies. Qualtech Heating & Cooling scored Highest in Quality and Helpful Expertise and passed the credential-based checks to earn Diamond Certified.

A Star Equivalent Score is calculated for each verified customer rating by weighting the 1–10 Quality score, the YES/NO Loyalty (intent to return) score and the YES/NO Helpful Expertise score. If Helpful Expertise wasn’t surveyed or didn’t apply, it’s simply not shown.