| 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 |