AC & furnace
Central AC & Furnace Replacement in Somerville and Cambridge
Professional replacement of central air conditioners, evaporator coils, furnaces, and complete HVAC systems for dependable year-round comfort.
- Owner on every job
- Free estimates
- Somerville · Cambridge · Greater Boston
AC & furnace
Why AirSupp
What we replace
Properly matched equipment, installed cleanly and explained clearly.
Central AC Replacement
Replace an outdated or failed air conditioner with a properly matched, energy-efficient system designed for reliable summer cooling.
Furnace Replacement
Professional replacement of older or unreliable furnaces with modern equipment selected for your home's heating needs.
Complete Matched HVAC Systems
Replace the condenser, evaporator coil, and furnace together for balanced performance, improved efficiency, and dependable heating and cooling.
How it works
From first call to final walkthrough.
Replacement
Signs it’s time to replace your system
System age
Central AC and furnaces approaching 15 years or more often cost more to keep running than a planned replacement.
Rising energy bills
If bills keep climbing without a change in how you use your home, the equipment is likely losing efficiency.
Uneven comfort
Rooms that never reach temperature, or a system that runs constantly, can point to worn or undersized equipment.
Frequent repairs
When repair visits start adding up every season, we’ll show you honestly whether replacement makes more sense.
Reviews
What homeowners say.
Need HVAC Service or Planning a Replacement?
From diagnostics and maintenance to complete heat pump, central AC, and furnace replacement, AirSupp provides clear recommendations and professional service throughout Somerville, Cambridge, and Greater Boston.