Proudly serving Fairfield County
for over 45 years
When your heating system fails during a Connecticut winter, it's a serious matter. Get in touch with Custom Air Systems, Inc. for the best service. When the weather's freezing, we'll repair your furnace 24 hours a day. Our highly skilled technicians provide top notch customer service; plus if your heating or cooling system is under a manufacturer warranty or guarantee — we'll honor it. We offer maintenance programs too. Call today.
"Thank you for your prompt attention and follow up to our heating opportunities. Ben was great and was able to make a lot of improvements."
- Lyn Ecbert
Thermostats and zone systems
Radiant heat repair and maintenance
Radiant heat installation and replacement
Oil to gas conversions
New technology (lower fuel costs)
Hybrid heating systems
Heating repair and maintenance
Heating installation and replacement
We Honor All Major Manufacturer Warranties.
Heat pump repair
Heat pump maintenance
Heat pump installation and replacement
Furnace repair and maintenance
Furnace installation and replacement
Very efficient systems
Ductless mini split systems
Boiler repair and maintenance
Boiler installation and replacement