Overview
Emergency and scheduled heating repair for furnaces, boilers, and heat pumps. Licensed, insured, and experienced on every major brand.
New England winters demand a heating system you can rely on. When yours stops working — or just isn’t keeping up — Dalelis Mechanical brings decades of combined experience to every call. Our licensed technicians service furnaces, boilers, heat pumps, and forced hot water and steam systems from every major manufacturer.
We diagnose first and repair second. That means no blind parts swaps, no upsells, and no surprises on the invoice.
Signs you may need this
Call us if…
- System runs but the house isn't getting warm
- Loud booming, banging, or rumbling from the furnace or boiler
- Uneven heat between rooms or floors
- Burning or sulfur smell when the heat kicks on
- Short-cycling (turns on and off rapidly)
- Pilot light or ignition failure
What we do
Our approach.
- 01Full diagnostic on any heating system — no guesswork
- 02Furnace ignitor, flame sensor, and blower motor repair
- 03Boiler pump, valve, and expansion tank replacement
- 04Heat pump refrigerant and defrost cycle troubleshooting
- 05Combustion analysis and safety testing
- 06Thermostat replacement and wiring repair