AVANT HVAC

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Licensed

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About

AVANT HVAC INC is your trusted local expert for residential and light commercial HVAC services. From Heater Repairs to Energy Efficient Air Conditioner Installation, we ensure your absolute comfort all year round.

Overview

Current Top Pro

Hired 37 times

Serves Brentwood, CA

Background checked

License verified

3 employees

5 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.

2023

2022

Credentials

License verified

C20 – Warm-Air Heating, Ventilating And Air-Conditioning Contractor

License state: CA

Background checked

Passed by Oleg Khafizov on Apr 7, 2026.

Services offered

Work needed

System type

Split system

Packaged system

Other

Building height

Single-level

Two-story

Three-story

High-rise

Projects and media

Reviews

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

Exceptional 5.0

52 reviews

5

98%

4

2%

3

0%

2

0%

1

0%

Read reviews that mention:

Ewa S.

Jun 12, 2026

•

From Google

Oleg was fantastic. His response time on Yelp was less than 1 minutes. It was 100F, he showed up at my house the same afternoon and repaired the AC unit promptly. Highly recommended. Give Oleg a try, you will be glad you did!

AVANT HVAC's reply

Thank you, Ewa, for such a wonderful review!

Jologs M.

1 month ago

•

From Google

Called 8AM and make appointment 9AM. Showed up on time. Discuss and explained rates. Thats a fact. Very straight forward guy and TRUSTWORTHY. I FOUND MY AC GUY in brentwood. Don't hesitate to give him a call. THANKS a lot OLEG. and thanks for the extra service checking up my other electrical issue.

AVANT HVAC's reply

Thank you so much for your review! I truly appreciate your kind words and your trust in our service.

Srikanth k.

Dec 11, 2021

•

Hired on Thumbtack

Details: Not enough airflow / Blocked vents • Less than a week ago • Heating and cooling • Rigid sheet metal • Two-story building • Townhouse

Duct and Vent Repair

SHOUNAK L.

Jan 5, 2023

•

Hired on Thumbtack

Details: Repair • Garage • Outside • House

Central Air Conditioning Repair or Maintenance

Pheng V.

Jun 12, 2026

•

Hired on Thumbtack

Great team, responded very quickly and was able to get the issue resolved within 20 minutes, amazing!

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

Central Air Conditioning Repair or Maintenance

AVANT HVAC

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