Furnace Repair in Boston - Fixed Today, No Surprise Invoice

Fast, Reliable Furnace Repair Across Boston

Furnace repair in Boston typically costs $175-$825 and is usually completed same-day when you call early. Our technicians are dispatched from our Boston office and carry the parts to fix most gas furnaces on the first trip.

Call (817) 402-2972

We’re Coldharbour Heating & Air, and we’ve been handling Furnace Repair calls across this city since 2003. Boston’s heating landscape is unlike anywhere else in the country - triple-deckers in Dorchester with Goodman closet furnaces, Victorian brownstones in Back Bay running converted steam systems, and rural propane units out past the city line where natural gas never reached. Our crews know the difference. When your blower motor seizes on a zero-degree January night or your pressure switch trips after a nor’easter buries your vent terminations, you need someone who understands how Boston’s pre-WWII housing stock and brutal coastal winters stress heating equipment differently than standard suburban forced-air systems. Call (817) 402-2972 anytime - a live person answers, 24 hours a day.

Why Coldharbour Heating & Air Is Boston’s Preferred Furnace Repair Company

We’re independently owned and operated, working to the Kingswell Guarantee - four written promises that matter to Boston homeowners who’ve been burned before: a price before the work starts, a firm arrival window, a clean job site, and our 365-Day Done Right Promise. If a repair fails within a full year, we come back and make it right at no charge. That guarantee is written down before our technician leaves, not offered as a verbal afterthought.

Our Boston customers tell us the same thing repeatedly - they called us because the last company gave a window of “8 to 5” and showed up at 6:30, or the price jumped $400 at the door. We don’t do that. Our written price is handed to you before a single tool comes out. It does not change. That’s The Kingswell Way, and it’s how we operate on every job, whether we’re working on a Rheem furnace in a Jamaica Plain triple-decker or a York unit in a South Boston rowhouse.

Our technicians are background-checked, uniformed, and trained to service nine major residential HVAC brands - Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock common parts locally so we’re not waiting on a warehouse delivery while your house freezes. And when you call (817) 402-2972, a live person answers - no voicemail trees, no “press 1 for service,” no waiting until morning when it’s 12 degrees and your furnace is locked out.

We got a no-heat call from a triple-decker on Auckland Street in Dorchester where the third-floor tenant had a Goodman gas furnace in a closet off the kitchen; the blower motor was pulling high amps and the capacitor read well out of spec, so heat was short-cycling on the high-limit. We tested the capacitor, replaced the blower motor, and checked the heat exchanger for cracks while the unit was open, then did a quick thermostat calibration so all three floors called for heat evenly. That’s the kind of job we do weekly in this city.

Gas Furnace Repair in Boston

Gas Furnace Repair in Boston covers everything from ignitor failures and gas valve malfunctions to cracked heat exchangers and blower motor burnouts on natural gas-fired forced-air systems. Most Boston homeowners pay $175-$825 for a standard repair, with simpler fixes like ignitor replacements running toward the lower end and heat exchanger work or gas valve replacement climbing higher. Because so much of Boston’s housing stock was built around one-pipe steam and cast-iron radiators rather than ductwork, a large share of “furnace repair” calls here are actually steam boiler calls - a Massachusetts technician needs both a gas-fitter sensibility and steam experience, since a no-heat triple-decker in Dorchester rarely has a furnace at all. When there is a gas furnace in the mix, it’s often a retrofit in a basement or closet, fighting against building envelopes that were never designed for forced air.

Ignitor and Gas Valve Replacement

A hot-surface ignitor that won’t glow, or a gas valve that opens intermittently, leaves you with a cold house and a furnace that clicks but never flames. We test amperage draw at the ignitor, check gas pressure at the manifold, and replace only what’s actually failed. Most ignitor replacements in Boston run $150-$280 parts and labor included; gas valve replacement trends higher depending on valve type and access.

Heat Exchanger Inspection and Repair

This is the safety-critical one. A cracked heat exchanger can leak carbon monoxide into your living space. We inspect with visual tools and combustion analyzers, and if we find cracks, we explain exactly what we see before discussing replacement. Heat exchanger cracks in older Carrier and Lennox furnaces serving Boston’s pre-WWII wood-frame housing are made worse by short-cycling when the system is oversized for the building’s actual load calculation. We never patch and pray - if it’s cracked, we replace it or recommend furnace replacement if the unit is past reasonable repair age.

Furnace Tune Up in Boston

Furnace Tune Up in Boston is preventive maintenance designed to catch the problems that Boston’s heating degree days and coastal moisture accelerate before they become emergency calls. A standard tune-up runs $95-$235 and includes combustion analysis, blower amp draw testing, heat exchanger inspection, gas pressure verification, and a full written report of what we found. We recommend this annually, ideally in early fall before the first serious cold snap - Boston logs roughly 5,600-5,900 heating degree days per year, and nor’easters regularly drive temperatures into the single digits while burying outdoor equipment in snow and ice. A furnace that hasn’t been cleaned and calibrated is far more likely to fail when demand peaks.

What the Tune-Up Covers

We pull and clean the burner assembly, check flame sensor microamps, test the inducer motor and pressure switch, measure temperature rise across the heat exchanger, and inspect your venting for proper slope and termination clearance. We also check thermostat calibration - critical in Boston’s multi-family housing where one mis-calibrated stat can throw off heat distribution across three floors.

Written Report, No Sales Pressure

Our technicians are not paid on what they sell. The written report tells you what’s fine, what’s wearing, and what needs attention now versus what can wait. You get the facts. You decide. That’s The Kingswell Way - say the price before the work, show up in the window given, leave the place cleaner than found, put the guarantee in writing, come back if it fails.

Trusted Brands We Service in Boston

Our technicians carry training and common parts for Goodman, Rheem, and York systems, plus the full lineup of Carrier, Trane, Lennox, Daikin, Bryant, and American Standard. We stock capacitors, ignitors, blower motors, and gas valves locally for Boston customers, which means most repairs don’t wait on a parts run. Goodman furnaces are common in Boston’s triple-decker retrofits - they’re reliable workhorses when properly maintained, but the closet-mounted installations we see in Dorchester and Roxbury can suffer from restricted return air that cooks motors prematurely. Rheem and York units show up frequently in newer infill construction and suburban conversions. Whatever’s in your basement or closet, we’ve worked on it before.

Common Furnace Repair Problems We See in Boston Homes

• Blower motor and capacitor failures on closet-mounted furnaces in triple-deckers. The unit is boxed in with no return-air space, and high static pressure cooks the motor. We see this constantly in Dorchester and Jamaica Plain, where a Goodman or Rheem furnace was shoehorned into a former pantry or kitchen closet with inches to spare.
• Heat exchanger cracks in older Carrier and Lennox furnaces serving pre-WWII wood-frame housing. Short-cycling from oversized equipment heats and cools the metal too aggressively, stressing seams and welds. Boston’s drafty, uninsulated balloon-frame construction means furnaces cycle more than they should.
• Snow- and ice-blocked intake and exhaust terminations after a nor’easter. This trips pressure-switch lockouts on condensing furnaces and heat pump condensers alike. We clear the blockage, check for water infiltration, and often recommend revised termination height or location to prevent recurrence.
• Propane conversion and supply issues on rural properties outside Boston proper. Where natural gas lines end, propane furnaces and hybrid heat-pump systems take over. We service these setups regularly - they’re more complex than standard natural gas, with regulator sizing, tank level monitoring, and proper venting for lower-BTU fuel.

Pricing for Furnace Repair in Boston, MA

We Also Serve Cities Near Boston

Our Boston office dispatches crews throughout the metro area, including Boston proper and the surrounding communities of Somerville, Cambridge, Chelsea, and Everett. Whether you’re in a triple-decker near Andrew Square or a single-family out past the city line with a propane tank and no natural gas, we cover your area with the same written guarantee and upfront pricing.

FAQs About Furnace Repair in Boston