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.
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.
Reviews
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.
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

Hours
Good to know
- online estimates
- on-site services
- accepts credit cards
Location
37A Padanaram Road, Danbury, CT 06811
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