Qualtech Heating & Cooling

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Qualtech Heating & Cooling
287 SURVEYS
14 CONSECUTIVE YEARS
SINCE SEPTEMBER 2012
CERT 1906

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287
Verified Customers
Surveyed
Customer Loyalty
Customer Satisfaction
Helpful Expertise

Company Credentials

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

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  • Survey Responses (reviews)
  • Diamond Certified Video Player
  • Researched Articles & Profile
  • Capabilities
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Diamond Certified Company Report SUMMARY UPDATE September 2025

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Qualtech Heating & Cooling

Rated Highest in Quality and Helpful Expertise for 14 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 for replacements and installations
  • Available 24/7 to handle emergencies

Top News Updated

COMPANY MILESTONES

Qualtech Heating & Cooling is celebrating its 18th anniversary in 2025.

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Top Survey Responses

From a recent Diamond Certified Survey Response: “They completed the work on time and did what they said they would do. They were very straightforward [and] everything went as expected. I have no complaints [and] I would use them again.”

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From a recent Diamond Certified Survey Response: “They installed our air conditioning system quicker than I thought it would take them. Usually, I’d be nervous with a job being done so fast, but they have everything down to a science. There [have] been no issues since.”

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Special Promotions

Qualtech Heating & Cooling is currently offering several discounts, including $1,700 off on qualifying high-efficiency HVAC systems, $150 off on selected air purifier or air scrubber systems, and up to $500 off on selected heat pump installations.

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Qualtech Heating & Cooling
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Qualtech Heating & Cooling

Heating & Air Conditioning
|
Alameda  Contra Costa Counties
diamondcertified logo
287 SURVEYS
14 CONSECUTIVE YEARS
SINCE SEPTEMBER 2012
CERT 1906

Rated Highest in Quality & Helpful Expertise Performance Guaranteed

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  • Business Practices
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Diamond Certified Video Reports on 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 17 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

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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
Contact
Qualtech Heating & Cooling

Capabilities Table

Company Name
Qualtech Heating & Cooling
Managers
Myriam Rios, Owner
Years in Industry
35 (Manager)
# of Employees
10
License
905205
Founded
2007
Payment Accepted
american express,
discover,
mastercard,
visa,
PayPal

Key Factors

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

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By Qualtech Heating & Cooling

Qualtech Heating & Cooling Ratings and Survey Responses (reviews)

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Qualtech Heating & Cooling
287 SURVEYS
  • 4.6
  • star image
  • star image
  • star image
  • star image
  • star image
14 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

4.6 avg. star score from 287 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.