Email or call us at 412-885-2356

Denillo Heating & Cooling, Inc. BBB Business Review

Pittsburgh’s Leading HVAC Company Maximizing Comfort in Every Room & Living Space"The Only GUY to Call"

Call (412) 885-2356 today for expert services and a FREE in-home estimate!

We Partner With Top-Rated Products

We value our customers and strive to provide excellent customer service and satisfaction. For this reason, we partner with the best HVAC product dealers in the country! Enjoy heating and cooling systems from top brands such as Mitsubishi Diamond and Trane.

Licensed and Certified Technicians

Since our company's inception, Denillo Heating & Cooling, Inc. and its highly qualified technicians have received a variety of certifications. Our technicians are EPA certified, the company is PA licensed, and has an A+ rating with the Better Business Bureau!

Receive Comfort for the Whole Family or Office

Upgrading, maintaining, and repairing HVAC systems is what we do best! We all know how chilly Pennsylvania winters are or how warm the summers are. Secure comfort no matter where you are with Denillo Heating & Cooling, Inc.

Commercial and Residential HVAC Services

From Nick Denillo and the rest of the Denillo team, we’d be more than happy to share our expertise with the Pittsburgh community. We are open 24/7 for emergency service, however, in the case of non-emergencies, we’re available at our physical location Monday through Friday from 7:30 am to 4:00 pm.

Service and Repair For All Makes and Models

Rooftop Installation and Repairs

System Upgrades and Replacements

Snow Melt Systems

In-Floor Radiation

Steam and Hot Water Boilers

HVAC Control Systems

HVAC System Evaluation and Analysis with Load Calculations

Heating and Air Conditioning

Tekmar control systems

164156267 5310355799035953 1119349907896338592 N
Hvac Near Me In Pittsburgh, Pa (3)

Special Promotions

Enjoy exclusive discounts and special promotions today!

Denillo Team New

40+ Years of Experience and Credentials that Inspire Customer Confidence

Denillo Heating & Cooling, Inc. is a family-owned and operated HVAC contractor that has been serving customers in the Pittsburgh area for a number of years. Our experienced team is committed to providing quality service, energy-efficient comfort, lower cooling and heating costs, clean indoor air, and fair prices. We specialize in installing, maintaining, replacing, and upgrading all makes and models of heating and cooling systems. We also offer a variety of products from the most trusted brands in the industry, including Mitsubishi, Trane, etc. Our goal is to ensure every customer receives reliable and cost-effective solutions for all their HVAC needs.

Sam Walton
Sam Walton
Really good people. Techs are sharp and know the systems. Very honest. Just great people to deal with.
Jonathan Lasko
Jonathan Lasko
Very professional fast came in diagnosed my problem and made a solid plan
A. Fernandez
A. Fernandez
Denillo sent John out same day. He got our heat back on quickly and educated me about the unit as well. John was polite and extremely knowledgeable. I didn't know much about the furnace, but he treated my- I'm sure very basic- questions with respect and care.
Patrick Wholey
Patrick Wholey
Look no further! Denillo HVAC is a great choice. Nick, Keith, John and the administrative staff were very professional throughout the process. They installed a high quality furnace which heats the house quietly and evenly. There are 0% interest financing options as well. Thanks Melinda and Alexandra! Highly recommended
FroG BallZ
FroG BallZ
Woke up to a chilly home on MLK day 2023. Called Denillo asap. They had services available the next day. Nick arrived early and even texted to say when he will be at the house. All the work was done in moments with one part needing replaces. The service was clean and efficient with no add ons or upselling. In the end the bill was surprisingly low. Anyone in the south hills of Pittsburgh looking for a solid and reliable HVAC service, this is your stop!!!!! My carrier furnace is over 20 years old and i credit Denillo for its longevity.
Amy Jennings
Amy Jennings
Our tech was both professional and efficient. He is very knowledgeable and able to explain everything in plain language. Very grateful! Highly recommend!
Jessica Martin
Jessica Martin
They were out the same morning I called and fixed the issue. Definitely using this company from now on
Toni Ghassa
Toni Ghassa
They are good and fast