Sentinel Heating & Cooling (HVAC) provides reliable heating and air conditioning services in Westfield and the surrounding hilltowns of Western Massachusetts. We specialize in furnace repair, oil burner service, AC repair, and mini split installation, helping homeowners stay comfortable year-round.

As a locally owned business, we understand how important it is to have a system you can depend on- especially during extreme weather. We offer flexible scheduling with evening and weekend availability, along with responsive service for urgent issues.

Whether you need a quick repair or a new system installed, you can expect honest recommendations, quality work, and dependable service every time.

Evening & weekend availability • Fast response for urgent issues