Furnace Maintenance Near Shrewsbury, MA

Reliable, High-Quality Furnace Maintenance to Restore Comfort Fast

Furnace Maintenance and Shrewsbury MA’s Trusted Heating & Cooling Professionals — Your Local Experts

“Furnace Maintenance” with SumZero Energy Systems is a precise, preventative tune-up designed to find and fix common issues—dirty filters, clogged burners, weak airflow, ignition failures, short cycling, thermostat miscalibration, noisy operation, worn belts, and loose electrical connections—before they disrupt your comfort. Our technicians clean burners and blower components, replace or wash filters, inspect the heat exchanger, test igniters and flame sensors, verify gas pressure and combustion, tighten electrical connections, lubricate moving parts, check condensate drains, measure airflow and static pressure, and screen for unsafe carbon monoxide levels, documenting performance so small problems don’t become costly repairs. In addition to maintenance, we provide full-service heating and cooling solutions: fast repairs, expert installations and replacements, heat pumps and ductless systems, central AC service, emergency support, ductwork design and sealing, smart thermostats, indoor air quality upgrades, and budget-friendly maintenance plans. Expect exceptional service, quality craftsmanship, clear communication, and on-time appointments—SumZero Energy Systems is proudly and professionally serving the Shrewsbury, MA area.