Great One Mechanical LLC Heating and Air

$125/on-site estimate

(waived if hired)

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Zip code

Building height

Property type

Duct and vent issues

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About

With 20+ years of hvac expertise, Great One Mechanical delivers honest,high quality service with precision and care. We treat your home like our own and don't leave until the job is done right.

Overview

Hired 27 times

Serves McDonough, GA

Background checked

1 employee

9 years in business

Business hours

Sun9:00 am - 4:00 pmMon8:00 am - 7:00 pm

Payment methods

This pro accepts payments via Cash, Check, Square cash app, and Zelle.

Top Pro status

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

2024

Services offered

Duct and vent type

Heating

Building height

Single-level

Two-story

Three-story

High-rise

Property type

House

Condo/Apartment

Townhouse

Business

Reviews

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

Good 4.4

23 reviews

5

83%

4

4%

3

0%

2

0%

1

13%

Read reviews that mention:

John W.

Jan 28, 2026

•

Hired on Thumbtack

Details: Furnace • Routine maintenance • Basement • Two-story building • House

Heating System Repair or Maintenance

Chloe C.

Jan 19, 2026

•

Hired on Thumbtack

Quick response, great communication, arrived on time. Provided thorough explanations of issue, fixed quickly. Greatly appreciate his work!

Details: Furnace • Basement • Two-story building • House

Heating System Repair or Maintenance

Christian C.

Jul 13, 2025

•

Hired on Thumbtack

Needed immediate service on my HVAC system. They were fast and professional, and reasonably priced! Will definitely use them again.

Details: The power is on, but the fan won't run • Routine maintenance • Outside • House

Central Air Conditioning Repair or Maintenance

Natalie J.

Jul 12, 2025

•

Hired on Thumbtack

Ty'Rence picked a great name for the business. He is indeed great! He was able to quickly troubleshoot why my ac was not turning onnas well as fix it same day. Not only did he fix the issue I loved the education provided regarding my ac and maintenance. Very professional with great customer service skills.

Details: Repair • Unit won't turn on or off • Attic • Ground floor • House

Central Air Conditioning Repair or Maintenance

Lisa T M.

1 month ago

•

Hired on Thumbtack

We really appreciated the quick response, professionalism and quality of work from Terrence. We thought the cost of materials was a bit high based on our research. But don’t let that hold you back from having him visit. Get clear on estimate cost.

Details: Routine maintenance • Routine maintenance • Closet • Outside • House

Central Air Conditioning Repair or Maintenance

Credentials

Background Check

Ty'rence Scott