HVAC Services
Installation, repair, and maintenance for all heating and cooling systems.
View ServicesMitsubishi-certified installations. Year-round heating AND cooling from a single system. Cold-climate hyper-heat technology rated to -13°F.
High-efficiency Trane furnace installation, repair, and maintenance. Proper sizing, load calculations, and professional installation with permits.
Trane furnace paired with Mitsubishi heat pump. Automatic fuel switching optimizes efficiency. The smart upgrade for year-round comfort.
No heat in winter? We respond fast — typically 1-2 hours. Live person answers 24/7. Owner-involved oversight on every emergency.
perfect for individual rooms or additions
whole-home comfort without ductwork
central heating & cooling through existing ductwork
hydronic heating for radiant floors & hot water
climate performance (hyper-heat technology)
Heat Pump Options
Heat Loan Rate
Mass Save Rebate
Trained and Certified
Explore our full range of heating services — each designed for Massachusetts homeowners.
Installation, repair, and maintenance for all heating and cooling systems.
View ServicesTrane furnaces. Installation, repair, and maintenance.
View ServicesHeat pump + furnace backup. Best of both worlds.
View ServicesNo heat? We're here day or night.
View ServicesDon't take our word for it — see what your neighbors are saying about Bay State Energy Services.
Absolutely outstanding service! They replaced our entire HVAC system and the team was professional, clean, and incredibly knowledgeable.
Called for an emergency heat situation on a Sunday morning and they had someone out within 2 hours. Can't say enough good things.
Used Bay State for a complete electrical panel upgrade. Extremely professional and the work passed inspection with zero issues.
Join 500+ happy South Shore families
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