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One Nation Heating and Air LLC
One Nation Heating and Air LLC

One Nation Heating and Air LLC

Top Pro

This pro is currently not available for Central Air Conditioning Repair or Maintenance
This pro is currently not available for Central Air Conditioning Repair or Maintenance

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Introduction
Welcome to 🇺🇸One Nation Plumbing and Heating 🇺🇸– A family owned company that does it right. ✅ At One Nation, we treat every home like our own. Whether it’s a leaky faucet, a minor AC repair, or a full hvac system upgrade, we show up on time, do the job right, and make sure you’re completely 💯% satisfied—no 🚫shortcuts, no 🚫 surprises. We’re a local team you can count on—licensed, experienced, and fully committed to honest work and fair prices. From the first call to the final clean-up, we’re here to make the process smooth, stress-free, and reliable. 🧘🏻‍♂️ Our promise is simple: Quality service. Friendly faces. Real peace of mind. Because to us, you’re more than a customer—you’re a neighbor. One Nation Plumbing & Heating 🇺🇸
Overview

Current Top Pro

Hired 162 times

Background checked

License verified

3 employees

2 years in business

Business hours

Sun7:00 am - 10:00 pmMon7:00 am - 10:00 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.

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2024

Projects and media

99 photos

Projects and media

99 photos

Specialties
A/C services needed

,

Reviews

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

Excellent 4.9

105 reviews

5
96%
4
0%
3
1%
2
0%
1
3%

Read reviews that mention:

pro avatar
Kathryn A.
2 weeks ago
·

Hired on Thumbtack

Hired on Thumbtack

I’m happy to give Gerardo a 5 star rating. I have a small 1948 house with a crawl space like a lot of people in Denver. In December 2024 I was still trying to sleep comfortably with a space heater and extra blankets because my furnace was poorly situated in the crawlspace and did not provide me with adequate heat in the freezing cold night. Then I got lucky: I found Gerardo on Thumbtack. He is a friendly young man who explained what was going on and how he could fix my furnace. He and his crew worked for an entire day and a part of the night to replace my crawlspace furnace so that it now hums quietly and efficiently. While he worked and when he was finished, Gerardo explained to me what was going on under the floors, and that he offered three choices for solving the problems that I was living with, and that the changes he was making were going to make a big difference. Gerardo and his crew literally built me a new furnace with air-conditioning and removed the wreckage of two older furnaces in the crawlspace as well. The thermostat now works with precision and allows me to control the temperature to my needs from my cell phone. I hate to sound like I’m selling something, but it is certainly worth your time to get to know Gerardo and find out how he can help you. I highly recommend him.

Details: Furnace • No heat • Not enough heat • Single-level building • House

Heating System Repair or Maintenance
pro avatar
Donald N.
May 12, 2025
·

Hired on Thumbtack

Hired on Thumbtack

I don’t think I could’ve found a better HVAC company to replace my water heater. These guys were more than just professional, they were extremely personable as well. I really enjoyed working with them, knowing that I was in good hands. I also know now that if I have heating or plumbing or AC problems in the future, I know where to go. I highly recommend One Nation Heating and Air.

Details: Installation or replacement • No hot water • Leaks • Gas tank • Basement • House

Water Heater Repair or Maintenance
pro avatar
Kathryn D.
Feb 16, 2025
·

Hired on Thumbtack

Hired on Thumbtack

Geraldo was so prompt in responding to our call. The temperature in my unit had been steadily dropping. Fortunately, we only needed a new filter. Geraldo tested the temperature of the air coming out of one of the vents, and everything was good. We are once again enjoying the warmth. You can take pride in having such a capable technician like Geraldo. Thank you!!!

Details: Routine maintenance • Routine maintenance • Ground floor • Condo or apartment

Central Air Conditioning Repair or Maintenance
pro avatar
John S.
Feb 4, 2025
·

Hired on Thumbtack

Hired on Thumbtack

One Nation Heating and Air Lllc. did an excellentjob servicing my heating unit after we just purchased our home. They discovered the neglect of the the system and completed a thorough cleaning to ensure proper operation of the system. After conducting the cleaning, it was discovered that the mother board required replacing. He gave me a huge discount on the cleaning to ensure that the mother board would be repaired

Details: Furnace • Not enough heat • Basement • Two-story building • House

One Nation Heating and Air LLC's reply
Thank you so much for sharing your positive experience. If you need any further assistance, don’t hesitate to reach out!
Heating System Repair or Maintenance
pro avatar
Sue R.
Dec 10, 2024
·

Hired on Thumbtack

Hired on Thumbtack

Showed up on time (for the consult and the following day for the repair. Very pleased with the service provided. Will use One Nation in the future.

Details: Furnace • Leaking • Closet • Single-level building • Condo or apartment

Heating System Repair or Maintenance
Credentials
License

License Type: Mechanical Systems Contractor (Aurora, CO)

License verified on 9/29/2023

Background Check

Gerardo Lopez

FAQs

  • What is your typical process for working with a new customer?

    As the homeowner you are the boss. The technician will provide you with various options but at the end you call the shot.

  • Describe a recent project you are fond of. How long did it take?

    A roofing company replacing an old beat down roof needed One Nation to remove and reinstall a 3yr old swampcooler. We did just that and the new positioning looks spectacular!

  • What advice would you give a customer looking to hire a provider in your area of work?

    It's simple licensing, honesty and quality. A company that will go the extra mile for your needs and treat your home better then their's. In other words a company that prides in providing 100% satisfaction to their customers.

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