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One Hour Heating & Air Conditioning

Top Pro

Licensed
Licensed
Pipe issues

Online now


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

About
The #1 largest HVAC service provider in the United States, at One Hour Heating & Air Conditioning of San Diego, we take our commitment to customer service seriously. We're so serious about it that we even have an on-time guarantee, which means if we're not on time, you don't pay a dime. Yes, you heard that right. We believe that your time is valuable, and we don't want to waste it. That's why we make sure to always show up on time and get the job done right. Plus, if there's ever a problem, we'll do everything we can to make it right. With our dedication to customer service, you'll feel like you're part of the family (the cool, air-conditioned family). We know how important your comfort is, which is why we take every measure necessary to ensure that you get the best quality service and products.
Overview

Current Top Pro

Hired 62 times

Serves San Diego, CA

Background checked

License verified

38 employees

23 years in business

Business hours

Sun9:00 am - 4:00 pmMon8:00 am - 8:00 pm

Payment methods

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

Social media

Facebook, Instagram

Top Pro status

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

Top Pro Icon

2025

Top Pro Icon

2024

Credentials

License verified

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

License state: CA

Background checked

Passed by Roy Koldaro on Aug 3, 2023.

Services offered
Pipe issues
Repair urgency

I work on non-urgent repairs

I work on urgent repairs

Flooding status

Yes

Projects and media
Projects and media
Reviews

Customers rated this pro highly for work quality, punctuality, and value.

Excellent 4.9

108 reviews

5

97%

4

0%

3

0%

2

0%

1

3%

This pro's rating is a combination of reviews posted by customers both on and off of Thumbtack. Thumbtack cannot verify external reviews.

Read reviews that mention:


pro avatar
Romain P.

2 weeks ago

Hired on Thumbtack

Great visit from Anthony who i worked for a quote for my heatpump project. Unfortunately due to budget constraints went with another provider

Details: Replace an existing A/C unit • Split system • I need the professional to purchase the unit • Attic • Ground floor • 2,000 - 3,000 sq ft • Two stories • House • Owner

Central Air Conditioning Installation or Replacement
pro avatar
Pamela P.

Jun 29, 2026

From Google

Carlos did very well explaining what we needed. Even showed us his certifications! He also repaired our unit when other companies said "not repairable."Took him a few minutes. But we still wanted to purchase a new system( ours is 40 yrs old) simply because they are more efficient. Pam P.
pro avatar
Brian H.

Jun 30, 2026

From Google

Called on Friday afternoon and they had a tech at my home by Saturday morning. The service technician Daniel was extremely professional & knowledgeable. Daniel patiently discussed my repair needs and offered cost effective options.
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John R.

Jul 3, 2026

Hired on Thumbtack

Carlos was great, very professional, easy to talk to. He gave me an outstanding proposal with management approval over the phone. the staff is more than willing to work with me to accommodate my calendar as well as my budget.

Details: Install ducts and vents • Replace an existing A/C unit • As recommended by the professional • I need the professional to purchase the unit • As recommended by the professional • Location recommended by the professional • 1,000 - 2,000 sq ft • One story • House • Owner

Central Air Conditioning Installation or Replacement
pro avatar
D G.

Jul 3, 2026

From Google

Carlos was very nice and mannered he was thorough and explaining the situation and what needed to happen and what could happen in the process, and I was very Grateful to have his assistance and it was a pleasure.
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