1. No results to show.

HVAC PRO

Top Pro

Free service call


Type of heating system
Heating system problems

Responds in about 4 min


Thumbtack Guarantee

If you hire this pro, you’re covered by a money-back guarantee. Learn more

If you hire this pro, you’re covered by a money-back guarantee. Learn more

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 413 times

Serves Long Beach, CA

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.

Top Pro Icon

2025

Top Pro Icon

2024

Services offered
Type of heating system
Heating system problems

No problem, just need maintenance

No heat

Not enough heat

Unusual noises from inside

Building height

Single-level

Two-story

Three-story

High-rise

Projects and media
Projects and media
Reviews

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

Great 4.8

248 reviews

5

94%

4

1%

3

0%

2

1%

1

4%

Read reviews that mention:


pro avatar
LP R.

2 weeks ago

Hired on Thumbtack

Our HVAC system stopped working and within a few hours Denis came over to assess the problem. He fixed our blower motor and now everything is back to normal.

Details: Repair • Only warm air is blowing from the vents • The power is on, but the fan won't run • Outside • Outside • House

Central Air Conditioning Repair or Maintenance
pro avatar
Mona s.

3 weeks ago

Hired on Thumbtack

Very happy with Denis, he diagnosed and fixed the problem quickly and for reasonable price. Would use him again for any future issue with my AC or heating .

Details: 1 unit • Need professional to recommend size • Home

Window, Wall, or Portable AC Repair or Maintenance
pro avatar
Shawn H.

Jan 11, 2026

Hired on Thumbtack

Our central HVAC system died last night (1/10/26), in the middle of winter. I phoned Denis and received a response within 15 minutes. Once here, he quickly and efficiently diagnosed the problem. Denis immediately began working to repair our unit. Additionally, the cost for services was reasonable. I am very impressed with his knowledge base and skills. He also gave great recommendations for unit upkeep. Highly recommend.

Details: No heat • Single-level building • House

Heating System Repair or Maintenance
pro avatar
Simon W.

Jan 10, 2026

Hired on Thumbtack

Denis was great! We woke with no heat, he responded quickly to my request on Thumbtack, and arrived within a couple of hours. He identified and fixed the problem quickly, and now we have heat again! I won’t hesitate to use him again in the future and do recommend him to anyone who needs HVAC help.

Details: No heat • Attic • Single-level building • House

Heating System Repair or Maintenance
pro avatar
Altaf B.

Dec 30, 2025

Hired on Thumbtack

Responded within minutes and was available at the time I needed. Came in and tested things to make sure he pinpointed the correct issue. Fixed it retested and made sure the heat was perfect.

Details: Furnace • Unusual noises from inside • Attic • Two-story building • House

Heating System Repair or Maintenance
Credentials
Background Check

Denis Zemliakov

  • Loading