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

One Nation Heating and Air LLC

Top Pro

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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 167 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
Type of heating system

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Reviews

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

Excellent 4.9

107 reviews

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

Read reviews that mention:

pro avatar
Kathryn A.
Jun 2, 2025
·

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
John c.
May 28, 2025
·

Hired on Thumbtack

Hired on Thumbtack

Gerardo was EXTREMELY helpful and fixed my problem in a very timely manner. He took the time to explain what was going on and even explained how certain things worked in my house. Very honest and fair prices and didn’t try to upsell anything. I will 1000% be getting back in contact with any more heating, plumbing and electrical work!

Details: Yes, repair is urgent • Only one drain has issues • Clogging • Slow draining • House

One Nation Heating and Air LLC's reply
Hi John, It was a pleasure and we're glad we could help! Gerardo Lopez/One Nation Plumbing & Heating
Plumbing Drain Repair
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
Teresa F.
Mar 26, 2025
·

Hired on Thumbtack

Hired on Thumbtack

We have a problem with one of our heating ducts. Gerardo came over to diagnose the issue for us. He is very knowledgeable and courteous. We won’t hesitate to call him again if the need arises. And we wholeheartedly recommend him so don’t hesitate to call. (720) 365-5749

Details: Not enough airflow / Blocked vents • Heating and cooling • Two-story building • House

Duct and Vent Repair
pro avatar
Evan A.
Mar 4, 2025
·

Hired on Thumbtack

Hired on Thumbtack

Gerardo at One Nation did a great job with my washer hookup installation project. They offered a reasonable price, great communication, and quick service. I would use One Nation again for my plumbing & heating needs.

Details: A few pipes • Hook-up appliance or fixture • Condo/Apartment

Plumbing Pipe Installation or Replacement
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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