Furnace Repair in Boston, Massachusetts
Furnace repair in Boston starts near $210 for a simple fix and can reach $930 for after-hours calls or major parts. A typical bill is closer to $610.
Boston Weather and HVAC Load
NOAA's 1991-2020 climate normals put Boston at 5,545 heating degree days and 801 cooling degree days per year. Heating is the bigger job here, and furnaces and heat pumps in Boston put in far more hours than the air conditioner. A normal year brings 92 nights at or below freezing and 14 days over 90°F. Snowfall averages about 49 inches. For a 2,000 sq ft house, this climate points to a heating load somewhere near 60,000 BTU/h. Treat that as a starting number. A Manual J calculation will move it up or down based on insulation and windows.
| Heating degree days / year | 5,545 |
|---|---|
| Cooling degree days / year | 801 |
| Nights at or below 32°F | 92 |
| Days above 90°F | 14 |
| Average low / high | 44.5°F / 59.3°F |
Boston Housing Stock
The median Boston home dates to 1947, according to the Census ACS. That makes the typical house about 79 years old. Houses that old often still have duct runs sized for an old coal or oil furnace and 60- or 100-amp electrical panels. Both can add cost when new equipment goes in. Boston has roughly 99,000 owner-occupied homes, or 35.4% of households. The median home value is $710,400, and median household income is $94,755. We use both figures to adjust labor and pricing for this page.
Between 2020 and 2025, NOAA's Storm Events Database logged 2 hail days and 15 days with damaging thunderstorm winds in Suffolk County. Storms here are more likely to cause power surges than coil damage, so a surge protector on the outdoor unit is worth the small cost.
Symptoms Worth a Service Call
- Cold air coming out of the vents
- The blower won't stop running
- The thermostat calls for heat and nothing happens
- Banging, squealing or rattling from the furnace
- The burners light, then shut off a few seconds later
What Moves the Price
- The diagnostic or service call fee
- Whether the part is still under the manufacturer warranty
- Night, weekend or holiday rates
- Which part failed: a flame sensor costs far less than a control board or blower motor
- The furnace's age and brand, which affect parts availability
For Boston we raised the national figures about 43%, based on local income, home values and climate-based equipment sizing. Get at least three written quotes; real bids can land outside this range.
What the Quote Should Cover
- A test run through a full heating cycle
- Replacing the part that failed
- A safety and combustion check
- A diagnostic check
Massachusetts Licensing and Efficiency Rules
Massachusetts falls in the DOE's North region. New split central air conditioners must meet at least 13.4 SEER2, and heat pumps sold anywhere in the U.S. need 14.3 SEER2 and 7.5 HSPF2. Most repairs don't need a permit. Anyone who opens the refrigerant circuit does need EPA Section 608 certification, and in Massachusetts the company should carry a state license or registration. Ask for both.
Before You Hire
- If the furnace is past 15, ask the tech to price both a repair and a replacement.
- Check the filter, the thermostat batteries and the breaker first. Those three cause a surprising number of no-heat calls.
- Have the model and serial number from the furnace label handy. Parts get ordered faster.
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Furnace Repair Questions from Boston Homeowners
What does furnace repair cost in Boston?
Most bills land between $210 and $930, including the service call. A typical visit is about $610. Night and weekend calls cost more.
Should I repair or replace my furnace?
Here's a rule many techs use: multiply the furnace's age by the repair quote. If the number is over $5,000, replacing it usually makes more sense.
What is the most common furnace repair?
Cleaning a dirty flame sensor or replacing a cracked hot-surface ignitor. They're also two of the cheapest repairs.
Furnace Repair Near Boston
- Cambridge $240 to $1,020
- Worcester $180 to $760
- Springfield $150 to $670
- Lowell $190 to $800
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Boston Logan International Airport; NOAA Storm Events Database 2020-2025, Suffolk County. Prices are our estimates, not contractor quotes. Updated 2026.