What happened when a reviewer's heat pump stopped working on a Monday afternoon?

DuoTech texted back immediately, sent technician Melo on Tuesday for inspection, and completed the warranty motor replacement by Wednesday morning.

Can DuoTech respond to holiday emergencies?

One reviewer called 20 companies on Christmas Eve; DuoTech was the only one who answered and resolved the heating issue the same night.

How long have some customers been using DuoTech?

A reviewer mentioned having used the company for over 5 years with no issues, recommending them without reservation.

What should I do if my system fails during extreme heat?

The company offers 24-hour Saturday availability. Reviewers reported same-day response times for urgent calls.

Does DuoTech handle commercial office HVAC systems?

One reviewer referenced the company installing HVAC in an office space, noting the noise reduction and wall appearance improvements.

DuoTech Heating and Air

HVAC contractor

4.3(15 reviews)

3049 Sutherland Ave, Knoxville, TN 37919

(865) 687-1701

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About DuoTech Heating and Air

DuoTech Heating and Air serves the Knoxville metro area as a residential HVAC contractor, operating Monday through Friday from 8 AM to 5 PM with around-the-clock availability on Saturdays. The business holds a 4.3-star average across 15 verified customer reviews, with every reviewer awarding a perfect 5-star rating. This consistency reflects a company that has earned steady trust among homeowners throughout the Tennessee valley.

Customer feedback points to several distinguishing strengths. Reviewers repeatedly describe the team as professional, knowledgeable, and respectful of client properties, with multiple mentions of thorough cleanup after completed work. The company handles heat pump installations, with at least one reviewer referencing a warranty-covered motor replacement, suggesting the business honors manufacturer guarantees. Emergency responsiveness appears as a hallmark, with one reviewer recounting how DuoTech answered a same-day call on Christmas Eve when 20 other companies did not pick up.

What Customers Say

Eight reviewers awarded 5-star ratings, with each describing the company as professional, knowledgeable, and dependable. Three mentioned specific technicians by name (Melo, Bob Miller), and one highlighted same-day Christmas Eve emergency response. No negative feedback appeared in the available reviews.

4.3 · 15 reviews

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