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Is It Time To Replace Your Air Conditioning System?

10 Signs Your AC Needs To Be Replaced

- Blows warm air
- Poor air flow
- Inaccurate thermostat
- Loud noises
- Bad odors
- Frequent repairs
- Humidity in the home
- Freon or water leaks
- High or rising electric bills
- It's more than 10 years old

Your Trusted Local Air Conditioning Experts

Proudly serving New England homeowners for over 25 years. From installation and service to system tune-ups - Key Heating & Air Conditioning is your trusted HVAC expert.


We install and service all major brands. We also offer great financing options to help you get the job done.  

Types Of Systems We Install

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Ductless Mini Split Installation

Ductless Mini Splits


Traditional HVAC