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Hefferon Heating & Cooling LLC

4.9 188 reviews
Overall rating
4.9
out of 5
188 reviews
5 star 93%
4 star 2%
3 star 1%
2 star 2%
1 star 2%

About Hefferon Heating & Cooling LLC

Hefferon Heating & Cooling LLC is a reputable company that provides exceptional service. The team, led by Ernie, is known for being smart, hardworking, and great partners across design, installation, and service. They take the time to understand unique project needs, blending historic renovation and new construction to deliver efficient and wonderful indoor climates. Customers appreciate the honesty and professionalism of the company, especially in the Danbury area, feeling confident they receive fair pricing and clear communication before any service begins. The office staff and installers are always pleasant, answering every question and providing thoughtful approaches to ensure quality work tailored to customers' needs. Customers have praised the company's quick response to service calls, with team members ensuring that issues are resolved promptly, demonstrating their commitment to excellent customer care.

Oct 2026
5.0
Went with Hefferon to replace an old AC, they gave me 3 models to choose from which was nice.
They showed up on time swapped everything out AC, evaporator, new lines etc, did it all in one day, at a reasonable price.
Sep 2026
5.0
Hefferon did a full HVAC replacement for me. This was a significant investment, so I got estimates from 5 companies. I couldn’t be happier with the selection or results. They were competitively priced, prompt in communication and on installation day, highly professional, informative, and trustworthy. In today’s landscape for HVAC work, these attributes are really hard to find. Highly recommended team.
Sep 2026
5.0
Had two new Trane central ac replacement systems installed. The process was professional and competent. Everything done as promised. Staff was courteous and industrious. I did the max you could ask out of an AC firm and they delivered. Would recommend.
Photos of Hefferon Heating & Cooling LLC, 37A Padanaram Road,  Danbury
All 9 photos

Hours

Monday Open 24 hours
Tuesday Open 24 hours
Wednesday Open 24 hours
Thursday Open 24 hours
Friday Open 24 hours
Saturday Open 24 hours
Sunday Open 24 hours

Good to know

  •  online estimates 
  • on-site services
  • accepts credit cards

Location

37A Padanaram Road, Danbury, CT 06811

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Hefferon Heating & Cooling LLC · 37A Padanaram Road, Danbury, CT 06811

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