| No heat from baseboards or radiators | Rooms stay cold, thermostat calls for heat | Ignition fault, failed circulator, bad zone valve, air lock | Emergency diagnostic, repair ignition, replace circulator or valve, purge air and restore flow | Same day for most repairs |
| Uneven heat in the home | Hot downstairs, cold bedrooms or one cold zone | Air in system, ductless zone issue, stuck zone valve, weak pump | Bleed radiators, service air separator, repair valve, set pump speed or replace if needed | 1–2 visits |
| Boiler pressure keeps dropping | System shuts down, needs frequent refills | Expansion tank failure, relief valve opening, slow leak | Test and replace expansion tank or PRV, find and repair leaks, set system to proper pressure | Same day |
| Leaks around the boiler or piping | Puddles, corrosion, rust stains | Failing gaskets, relief valve, corroded fittings, heat exchanger issue | Repair or replace faulty components, protect against future corrosion, verify water quality | Priority same day |
| Loud banging or whistling (kettling) | Noisy pipes or radiators, whistling from boiler | Scale buildup, low flow, steam in sections, water hammer | Descale heat exchanger, balance flow, install water treatment, add water hammer arrestors where needed | Same week |
| High energy bills | Bills spike compared to last winter | Inefficient boiler, dirty burners, poor controls | Tune up and clean burners, optimize controls, quote high-efficiency replacement options | Tune up same day; quotes same or next day |
| Pilot will not stay lit or ignition lockout | Boiler starts then shuts off | Thermocouple, flame sensor, gas valve, ignition module | Test and replace failed part, verify combustion, check venting and safeties | Same day |
| Older boiler needs frequent repairs | Recurring breakdowns and parts delays | End-of-life equipment | Free estimate for high-efficiency hot water or steam boiler, guidance on Mass Save rebates and financing | Install often in 1–2 days after approval |
| Safety concerns | CO alarm, gas smell, vent issues | Combustion or venting problem, cracked component | Make safe, perform CO and combustion testing, code-compliant repair or replacement options | Immediate response |