Boiler Installation In Wilkes Barre, PA 18706

“It's been a toasty winter this far thanks to KO my new boiler was installed fast and heating up my old home instantly. Thanks guys!!!”

– Judy R.

January 7, 2026

Boiler Maintenance in Nanticoke, PA 18634

“I highly recommend this company. I have dealt with them a couple times over the years. They’re always on time, very kind, professional and also very informative. I will never go anywhere else. Truly great people!”

– Jen M.

September 15, 2025

Boiler Maintenance in Old Forge, PA 18518

“Fast friendly and efficient. Explained clearly what was fixed/maintained.”

– Josh B.

September 9, 2026

Ductless System Installation in Other 18706

“Cody and his team were great. They arrived on time , were very friendly and cleaned everything like it was before they arrived. Adam was very thorough in explaining the system and remotes once the installation was complete.
The price was great as well.
I’d definitely recommend K.O HVAC ! Cody was super friendly and helpful throughout the process leading up the install and after !”

– Andy E.

June 1, 2026

Ductless System Installation in Pittston, PA 18640

“It was a great pleasure dealing with KO HVAC. From the call to set up the initial estimate through the installation I was very impressed with the knowledge and respect of the employees. I like the fact that they are a family owned company that is veteran owned. I will be sure to refer anyone looking for HVAC services to KO HVAC.”

– Daniel W.

August 7, 2026

What Homeowners Say After We Pack Up

4.9 from 400+ Google reviews

The technician Lenny they sent out was extremely professional, knowledgeable and clean. He assess the situation, determined tge issue got it fixed in no time. I highly recommend them
Anthony J.
Great service on our home’s system! The technician found a failing capacitor and replaced it same day. I appreciated the thorough troubleshooting and clear explanation of the repair. Very happy with the work and would definitely recommend them!
Jason R.
The man was excellent, he checked the whole system gave me advice and wasted no time , i would recommend your comp any to anyone, any time i need a tech i I’m calling you guys TY
Thomas H.
KO HVAC did a great job changing my house from electric heat to natural gas forced hot air with AC. Cody and his team were wonderful to work with. Highly recommended.
Aaron H.
It was a pleasure to work with KO hvac. From the moment of making the initial call and getting set up, to the day of service it was a very smooth process. The communication was on point which is always greatly appreciated. Thanks Len!
Steven S.
Caleb was punctual and very professional and knowledgeable. Thanks!
Matt B.
Great service. Will definitely have them do all my hvac needs.
Mary N.
Caleb was professional & knowledgeable of the issues I had with my furnace.
Ray B.
This is an extremely professional group who does excellent work. They replaced our entire HVAC system and later added additional duct work. Incredibly smooth process from start to finish. Communication was excellent. Their crew was on time, professional and courteous. Highly recommend.
Ed B.
Steve and Caleb both very knowledgeable and good to deal with. Had an issue finding a leak in the system and they were able to find the problem. HIGHLY recommend.
Karen N.