HVAC Installation in Odenton, MD 20724

“”Fast Service, Excellent Work and One Great Company” The installation and customer service has always been 100% fantastic. They have done several projects around my house like, furnace, AC & water heater, just to say a few. I have called and they have come right out, and explained everything to me and what has to happen. I truly recommend JJ Heating & Cooling 100%. Thank you JC & Mary for all of your help!

Tracy K”

- Tracy K.

Thermostat Installation in Odenton, MD 21054

“Great work today! I messed up my system trying to install a smart thermostat and these guys came right out next morning and diagnosed/fixed my issue right away!”

- Todd O.

Air Conditioner Repair in Annapolis, MD 21411

“Fast service, quick response. The technician, JC, was very knowledgeable, very patient. Explained all questions thoroughly and was 100% transparent. He fixed my AC unit in a timely manner, explained everything that was wrong, and what it would need in the future. He was very kind and handsome. Would definitely call them again.”

- Jon J.

Air Conditioner Maintenance in Odenton, MD 21054

“Such a great company! They installed my new AC unit last June 2020 and it’s been absolutely awesome since! They are quick to respond, and do great work!! Love the maintenance packages they have to keep your system working well! Can’t recommend them enough!”

- Jamie C.