HVAC PRO

Top Pro

Zip code

Number of A/C units

A/C unit size

Property type

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About

I have been doing HVAC servicing for 21 years and it has become a passion for me. I know all the processes from the inside, my goal is to understand the cause of the breakdown and eliminate it using the most modern and safest methods for health. I won’t just fix a temporary breakdown, I will fix your equipment for many years of service. I have all the necessary tools, supplies expense, modern measuring equipment, my knowledge and experience. And I use all this for my happy clients. My highlight is that I love my job and do it conscientiously and efficiently.

Overview

Current Top Pro

Hired 644 times

Background checked

3 employees

21 years in business

Business hours

This pro hasn't listed their business hours.

Payment methods

This pro accepts payments via Apple Pay, Cash, Check, Credit card, PayPal, Venmo, and Zelle.

Top Pro status

Top Pros are among the highest-rated, most popular professionals on Thumbtack.

2025

2024

Services offered

Property type

Home

Multi-unit building

Office / business

Other

Projects and media

Reviews

Customers rated this pro highly for work quality, professionalism, and responsiveness.

Great 4.8

432 reviews

5

95%

4

1%

3

0%

2

1%

1

3%

Your trust means everything to us. Learn about our review guidelines.

Read reviews that mention:

Franco d.

4 weeks ago

•

Hired on Thumbtack

Denis came very quickly and efficiently. He was here within the hour diagnosed and fixed the issue. The ac was fixed and running within 2 hours of arrival.

Central Air Conditioning Repair or Maintenance

Christine L.

Jul 5, 2026

•

Hired on Thumbtack

Denis is fantastic at what he does. He is able to identify the problem and fix it very quickly. He answers calls in emergencies and is quick to respond and help out. I am very appreciative of the repairs he made for me today while my AC condensation line was leaking.

Details: Repair • Closet • Outside • House • Owner

Central Air Conditioning Repair or Maintenance

William N.

7 days ago

•

Hired on Thumbtack

Denis responded in a flash and came right out to take a look at the issue. He resolved it quickly and efficiently and the cost was very fair. He seemed to know exactly how to diagnose the issue after a quick conversation and got our AC back up and running - thank you Denis! Highly recommended!

Details: Repair • Unit won't turn on or off • Outside • Outside • Townhouse • Owner

Central Air Conditioning Repair or Maintenance

Danielle M.

Jun 6, 2026

•

Hired on Thumbtack

Denis responded very quickly to our message and was at our home within hours! He diagnosed our issue, explained the cost and suggested repairs, and made those repairs same day. Our AC is up and running. Thank you, Denis!!

Details: Repair • Unit won't turn on or off • Closet • Outside • House • Renter, with owner's permission to do this job

Central Air Conditioning Repair or Maintenance

Michelle W.

1 month ago

•

Hired on Thumbtack

Denis came so quickly and fixed our AC right away on a hot day which was so appreciated. Quick, efficient and respectful! He even took off his shoes running through the house and navigating our baby gates. Thank you!!

Central Air Conditioning Repair or Maintenance

Credentials

Background Check

Denis Zemliakov