Boston steam heat still runs in many pre-war buildings, while newer Seaport condos rely on PTAC units and central VRF. No-heat calls spike when Nor'easters hit — ice on mini-split lines is common on north-facing walls in the South End and North End alleys.
Many Back Bay and Beacon Hill units cannot add ductwork — mini-split retrofits need condenser pads where alley snow piles won't block airflow. Opa Pro matches EPA-certified techs familiar with Boston's mix of oil, gas, and heat-pump conversions.
Refrigerant handling and gas appliance work require licensed HVAC in Massachusetts. For filter changes, thermostat programming, and seasonal tune-ups, book online with clear photos of the air handler label and any error codes.