Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Before
After
Before
After
Before
AfterHow Much Does HVAC Cost in Boston?
Most HVAC repairs in Boston run $175 – $825, and the exact number depends on the job. A standard AC repair typically lands between $175 and $765, while a furnace repair ranges from $175 to $825. If you’re replacing equipment instead of fixing it, a full AC installation runs $4,130 – $8,850, and a seasonal tune-up is the cheapest entry point at $95 – $235.
That’s the short version. Below, we break down what drives those numbers in Boston specifically, why a Back Bay condo and a single-family in West Roxbury can get two different quotes for the same symptom, and how to tell whether you’re looking at a fair price or a come-on.
Key Takeaways
- AC repair: $175 – $765. Furnace repair: $175 – $825.
- New AC installation: $4,130 – $8,850, labor included.
- Tune-ups start at $95 and are the least expensive way to avoid a mid-July breakdown.
- Every Dalton job comes with the price in writing before we start, a written guarantee on the repair, and a free return visit if it fails within that year.
HVAC Cost Breakdown (2026)
These are the ranges we quote across Boston, from Dorchester to Charlestown. They reflect real parts and labor, not a teaser price that changes once the tech is in your basement.
| Service | Price Range | What’s Included |
|---|---|---|
| AC repair | $175 – $765 | Diagnostic, common part replacement, refrigerant recharge |
| Furnace repair | $175 – $825 | Diagnostic, ignitor, blower, control board, flame sensor |
| AC installation | $4,130 – $8,850 | Equipment, labor, line set, permit, startup, disposal |
| Seasonal tune-up | $95 – $235 | Cleaning, inspection, refrigerant and airflow check |
The single biggest cost driver is whether we’re repairing or replacing. A capacitor swap on a 2010 Carrier is a $175 stop. A compressor replacement on the same unit can climb toward the top of that $765 band, and once a system is past 12 – 15 years old, putting that money into it rarely makes sense. Location inside the building matters too. A rooftop condenser in a South Boston triple-decker takes more rigging and more time than a ground-level unit in Roslindale, and that shows up in the labor line.
What Affects HVAC Pricing in Boston
- Building age and access. Boston’s housing stock is old. A furnace tucked in a finished basement in Beacon Hill with no clear path to the flue costs more to service than one in an open utility room, because the tech spends real time just getting to the equipment.
- System type and refrigerant. Older units still running R-22 refrigerant are expensive to recharge because R-22 is phased out and scarce. Newer systems on R-410A or R-32 are cheaper to top off, and that price gap hits hard once a leak shows up.
- Parts availability. We service nine major residential brands – Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard – so common parts sit on the truck. A specialty control board for an out-of-production unit can add days and dollars.
- Season. The first 90-degree week in July sends demand through the roof, and scheduling tightens. Booking a tune-up in April or October is when you get the best scheduling flexibility and the least rushed job.
- Whether it’s emergency work. A no-heat call at 2 a.m. in February is a different job than the same repair on a Tuesday afternoon. We answer the phone live around the clock, so you’re not leaving a voicemail and hoping.
- Permits and code. A replacement installation in Boston involves a permit and inspection, and that’s baked into the $4,130 – $8,850 range. Skipping it to save money creates a headache at resale.
If you’re weighing a repair against a new system, the honest math is this: once a repair quote tops roughly a third of replacement cost on a unit older than 12 years, replacement usually wins over the next five years. Our home page lays out how we handle both paths.
How to Save on HVAC in Boston
There’s no secret coupon. The savings come from timing and from not paying for a job twice.
- Tune up before the season, not during it. A $95 – $235 tune-up in spring catches a weak capacitor or a dirty coil before it becomes a $600 repair in August. It’s the cheapest thing you can do for the system.
- Change your filter on schedule. A clogged filter makes the blower work harder and shortens compressor life. It’s a $15 part that prevents a four-figure failure.
- Get the price in writing before anyone starts. This is the whole reason we operate the way we do. A written price means the number you agreed to is the number you pay, no matter what the tech finds once the panel’s off.
- Ask about the repair-versus-replace line before you commit. A good tech will tell you when a repair is throwing money at a system that’s near the end. Ask directly.
- Keep your service records. A documented maintenance history helps at resale and can support a warranty claim down the line.
Free estimates on installations and written pricing on every repair. Call (361) 306-9515 and we’ll give you a real number, not a range that expands at the door.
How We Price the Work – Step by Step
- You call and reach a live person. No voicemail queue, no callback window. We answer 24/7 and book you into a stated arrival window.
- A background-checked, uniformed technician arrives inside that window. You know who’s coming before they knock.
- We diagnose and write the price. Before any work starts, you get the exact cost in writing for the repair we’re recommending. No surprise line items.
- We do the job by the book and leave the site clean. Every repair carries a written guarantee for a full year.
- If the repair fails, we come back free. That’s the 365-Day Done Right Promise. If it isn’t done right, we make it right at no charge.
FAQs – HVAC Cost in Boston
How much does an AC repair cost in Boston?
AC repair in Boston typically costs $175 – $765, with most common fixes like a capacitor, contactor, or blower motor landing in the lower half of that range. A refrigerant recharge or compressor replacement pushes toward the top. Call (361) 306-9515 for an exact quote – estimates are free and the price is in writing before we start.
How much does a furnace repair cost in Boston?
Furnace repair runs $175 – $825 depending on the part. An ignitor or flame sensor is usually a lower-end job; a control board or blower motor sits near the top. If you’re without heat, call (361) 306-9515 – we answer live, day or night.
Is it cheaper to repair or replace my HVAC system in Boston?
Repair is cheaper in the short term when the fix stays under about a third of replacement cost and your system is under 12 years old. Replacement – $4,130 – $8,850 installed – usually wins on a system past 15 years, especially if you’re facing a compressor or heat exchanger. Call (361) 306-9515 and we’ll give you both numbers so you can compare.
How much does a new AC installation cost in Boston?
A full AC installation in Boston costs $4,130 – $8,850, including equipment, labor, permit, and disposal of the old unit. Higher-efficiency equipment and difficult access push toward the top. Free estimate on every install – call (361) 306-9515.
Can you fix my HVAC the same day?
Often, yes. Common repairs like capacitors, ignitors, and sensors are parts we carry on the truck, so many Boston calls are handled in one visit. Complex jobs that need a specialty part may take longer, but you’ll always have the price in writing before we begin. Call (361) 306-9515 to check today’s availability.
Pricing reflects the Boston market as of 2026. Dalton Heating & Air offers free estimates – call (361) 306-9515.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Boston homeowners under The Garrison Standard since 2003.
What Our Customers Say
"Coil cleaning and a refrigerant check before summer. AC has never been this cold."
- Marty D."Good communication, tidy, and disciplined work. Taped off the floor and wiped the unit down."
- Karen J."Installed a heat pump to replace an old oil furnace. Three clear quotes and the install crew was tidy."
- Cheryl B.