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One Nation Heating & Air LLC

Top Pro

Licensed
Licensed
This pro is currently not available for Heating System Repair or Maintenance
This pro is currently not available for Heating System Repair or Maintenance

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About
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 254 times

Background checked

License verified

3 employees

3 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.

Top Pro Icon

2025

Top Pro Icon

2024

Credentials

License verified

Mechanical Systems Contractor

License region: Aurora, CO

Background checked

Passed by Gerardo Lopez on Sep 11, 2023.

Services offered
Type of heating system

Furnace

Heating system problems

No problem, just need maintenance

No heat

Not enough heat

Unusual noises from inside

Building height

Single-level

Two-story

Three-story

Projects and media
Projects and media
Reviews

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

Excellent 4.9

162 reviews

5

96%

4

0%

3

1%

2

0%

1

3%

Read reviews that mention:

pro avatar
Ryan T.

2 weeks ago

•

Hired on Thumbtack

Very pleased with One Nation. My 15gallon water heater in the crawlspace could no way handle my needs. Gerardo was responsive, knowledge, helpful and patient especially on which tankless for my needs plus some. Work was clean, effient and $ met value and he even removed my old 15gallon water heater! He caught some maintenance pieces that I was unaware of and remmended reasonable options for concerns I had (like descaler for the tankless). He brought an extra hand and were SO professional with my 2 other projects going on (one project was a little longer, one was earlier and they call converged). OneNation showed me all of their work, let me know what maintenance and when and how streamlined they made all the repiping. I would definitely recommend OneNation and will use for future projects. I'll upload pics once mt house settles down.

Details: No, the location does not have an existing heater • Electric tank • I would like to discuss with the professional • Townhouse

Water Heater Installation or Replacement
pro avatar
Xeon S.

3 days ago

•

Hired on Thumbtack

The One Nation team did a fantastic and swift job at my property. Needed emergency work done replacing my furnaces. They recommend installing a mini split instead of a 2nd furnace. They did a very clean install on both systems. Very pleased with their work!

Details: Furnace • Routine maintenance • Attic • Single-level building • House

Heating System Repair or Maintenance
pro avatar
Alyssa H.

Jan 28, 2026

•

Hired on Thumbtack

We had an outstanding experience with Gerardo at One Nation Plumbing, Heating and Air. He was communicative, helpful and prompt. Scheduling was a breeze and they did an amazing job on our water heaters. Price was so reasonable and affordable. Will be using again!!! Highly recommend!!

Details: Yes, the location has an existing heater • Gas tank (standard) • I would like to discuss with the professional • Condo/Apartment

Water Heater Installation or Replacement
pro avatar
George B.

Jan 16, 2026

•

Hired on Thumbtack

Gerardo with One Nation Heating and Air responded quickly and identified the problem immediately. He was upfront about a solution and about pricing. Gerardo worked hard, and the results were great.

Details: Yes, repair is urgent • No, the building is not currently flooded • Leaking pipes • Sink • Condo or apartment

Plumbing Pipe Repair
pro avatar
Irina B.

Dec 10, 2025

•

Hired on Thumbtack

Such an amazing team! I’m so much appreciative the punctuality and predictability - Gerald called every time before coming and sent messages the day before The work quality is incredible - guys took the heating unit, covered the floor and completed the project for a day

Details: Furnace • No heat • Attic • Two-story building • Condo or apartment

Heating System Repair or Maintenance

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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