Testimonials

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Our customers really like us! But don’t take our word for it. Here are some actual reviews posted by our customers on the web.

If YOU are a satisfied customer, we invite you to click the "thumbs up" icon to review your experience with our business. Thank you!

KF

Definitely calling for all my future hvac. Thank you for the Owasso Football Duffel Bag donation, you guys are awesome.

Kyle Ford
TB

GNH installed our new HVAC system, and we couldn’t be more pleased with the results. Gragg was exceptionally knowledgeable and took the time to correct existing ductwork issues to ensure our new system operates as efficiently as possible. If you need HVAC work, these guys should be your first call.

Travis B
JI

Excellent service. Professional and explained everything clearly to me. Showed up early and finished job earlier than planned. Highly recommend this company. 5 stars!

Jen Isted
NR

Excellent service! Quick, professional, and reliable. Fixed our HVAC issue fast and at a fair price. Highly recommend! They also promote and support local youth sports!

Nathan Rock
A

Amazing! We have called GNH for two properties and they are amazing. Always professional and efficient. They get us back up in running in no time! Explains everything so we understand the issues we are experiencing and has supplies on hand to fix the problem. We are grateful for the GNH team. They are who we call every time!

Alicia
5s

GNH is Highly recommended, all options were detailed and quoted in writing with great pricing on all quotes. Gragg professionally explained all work to be performed and answered all questions until I was satisfied with the answers. Absolutely no pressure to push me into my decision or more costly up-sales. I decided to go with a new system due to the age of my old unit. I could not be happier with my new HVAC System! All work was finished on schedule! Thanks Gragg and Justin for the great install!

56 speedster
MH

GNH hooked me up at the last minute when my unit blew a capacitor and then kept up with my old equipment for me like a champ. So thankful for their hard work and responsiveness. Turns out, customer service is not dead – GNH is the best.

Matt H
NB

They are always there for me when I need work and provide great service at a reasonable rate. Highly recommend them

Nicole Brown

Great local owned Heat & Air! GNH we do Thank you and much appreciate your Owasso Youth tackle football support! Give these guys a call for Heat & Air needs! ❤️

Andrea Allen
ME

Thank you GNH for the quick response to my furnace trouble call. You ensured that the problem was fixed right the first time. You have my trust and my business going forward!

Michael E