At Denillo Heating & Cooling Inc., we are proud to be a family-owned and operated HVAC contractor with over 40 years of industry experience in the Pittsburgh area. Our story began with our founder, Guy Denillo, who built our company on the principles of quality, integrity, and personal attention. Today, under the leadership of his son, Nick Denillo, we continue to uphold these values and provide expert HVAC services to our customers.
Our History
Our journey began in the 1970s when Guy Denillo started our company with a vision to provide reliable comfort solutions to the people of Pittsburgh. He believed that providing excellent service, energy-efficient solutions, and fair prices would set us apart from the competition. Over the years, we have maintained our commitment to quality, earning a reputation for being "The Only Guy To Call" among our loyal customers.
Our Team
Our team of licensed and certified technicians has earned numerous certifications, including EPA certification and PA licensure. We take pride in our technicians' ability to diagnose and repair complex issues, ensuring that our customers receive the best possible service. Our commitment to excellence and customer satisfaction drives our company's growth and success.
What We Do
At Denillo Heating & Cooling Inc., we specialize in installing, maintaining, replacing, and upgrading all makes and models of heating and cooling systems. We offer a wide range of products from top brands like Mitsubishi, Trane, and Weil-McLain. Our experienced team provides prompt and professional services, ensuring that our customers receive reliable and cost-effective solutions for all their HVAC needs.
Commercial and Residential Services
We cater to both commercial and residential customers, providing 24/7 emergency services for unexpected issues. Our non-emergency services are available Monday through Friday, 7:30 am to 4:00 pm. We offer a range of services, including:
- Rooftop installation and repair
- System upgrades and replacements
- Snow melt systems
- In-floor radiation
- Steam and hot water boilers
- HVAC control systems
- System evaluation and analysis with load calculations
Why Choose Us
At Denillo Heating & Cooling Inc., we pride ourselves on:
- 40+ years of industry experience
- EPA certification
- PA licensure
- A+ rating with the Better Business Bureau
- 24/7 emergency services
- Professional and prompt technicians
- Energy-efficient solutions
- Fair prices
Customer Reviews
Our customers have consistently praised our exceptional service, expertise, and professionalism. Here's what a few of our satisfied customers have to say:
- "Really good people. Techs are sharp and know the systems. Very honest. Just great people to deal with." - Sam Walton
- "Very professional. Fast came in diagnosed my problem and made a solid plan." - Jonathan Lasko
- "Look no further! Denillo HVAC is a great choice. Nick, Keith, John, and the administrative staff were very professional throughout the process." - Patrick Wholey
Get in Touch
If you're looking for a reliable and trustworthy HVAC contractor in the Pittsburgh area, look no further. Contact us today at (412) 885-2356 for expert services and a FREE in-home estimate.
Excellent Customer Experiences with Denillo Heating and Cooling
Prompt and Professional Service
Customers have praised Denillo Heating and Cooling for their prompt response, knowledgeable technicians, and professional service. Technicians have been described as courteous, polite, and skilled, taking the time to explain issues and solutions clearly.
Efficient and Helpful Install Teams
The installation teams have been commended for their efficiency and helpfulness, keeping customers informed throughout the process. The teams have been described as neat, polite, and professional.
Highly Recommended
Many customers have stated that they would highly recommend Denillo Heating and Cooling to others, citing their excellent overall experience. They appreciate the honesty and fairness of the company, with no high-pressure sales tactics.
positive Experiences with Various Technicians
Customers have had positive experiences with various technicians, including Nick, Dan, Aric, Luke, Keith, and others. These technicians have been praised for their knowledge, professionalism, and courteousness.

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