Endless Energy

Endless Energy is your trusted HVAC, plumbing, and electrical contractor serving Marlborough and communities across eastern and central Massachusetts. From AC units and furnaces to heat pumps and ductless mini splits, our licensed technicians handle installation, repair, and full system upgrades with expert care. We also offer water heater replacement, EV charger installation, whole-home filtration, attic insulation, and air sealing with Aeroseal. As a proud Mass Save® partner, we provide no-cost Home Energy Assessments and help you unlock rebates and long-term energy savings. Whether you're in Newton, Natick, Needham, Sharon, or Worcester, homeowners and businesses rely on us for fast, professional service backed by over 40 years of work.