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
AfterHVAC Company in Cambridge, MA
Dalton Heating & Air is the HVAC company Cambridge homeowners call when the heating or cooling system stops doing its job. We handle AC repair, heat pump installation, and furnace repair across Cambridge, MA, with written pricing before any work starts and a full-year written guarantee on every repair. Cambridge’s mix of triple-deckers, converted Victorians, and mid-century brick buildings means systems are often older, tight against neighboring walls, and installed in spaces that take real thought to access. If your equipment has failed or is failing, call (361) 306-9515, and a live person answers, day or night.
Why Cambridge Homes Are Different
Cambridge’s housing stock runs from 1880s wood-frame homes in Riverside and Cambridgeport to post-war brick apartments in Porter Square and newer construction near Alewife. That range means we see forced-air systems grafted into homes built for coal heat, condensers squeezed into side yards where the fence line sits three feet from the house, and furnaces tucked into basements with six-foot ceilings and tight stairwells. Older Cambridge basements are typically damp. Damp air shortens the life of furnace heat exchangers and breeds the kind of corrosion that turns a $150 repair into a full replacement if it’s ignored.
The Charles River does its own work, too. Neighborhoods along the river – Cambridgeport, East Cambridge, and parts of Mid-Cambridge – run humid through July and August. A system that cools adequately in Arlington may struggle in a river-facing Cambridge house because the compressor is working against higher latent heat. We factor that into every sizing and repair call. Permit requirements also vary by building type. Condominium associations in Cambridge frequently require licensed contractors to file paperwork before rooftop or exterior condenser work begins, and we handle that coordination as part of the job.
Our Main Cambridge Services
The two jobs that generate the most calls in Cambridge are cooling failures in summer and furnace trouble in January and February. Heat pump installation has also grown steadily as owners of older Cambridge homes look for central cooling without running new ductwork. Each service has its own page with detailed pricing and what to expect.
AC Repair in Cambridge
Cambridge’s older housing stock means many air conditioning systems are retrofits, and retrofit installs come with their own failure patterns. We see a lot of undersized condensers working against summer humidity near the Charles, refrigerant lines running longer than the system was designed for, and electrical panels that are running out of capacity. A common Cambridge call involves a condenser short-cycling – kicking on and off every few minutes – because a run capacitor is failing. That repair is straightforward, and we leave a written price before touching the unit. Full details are on our AC Repair in Cambridge page.
Heat Pump Installation in Cambridge
Heat pumps are becoming the standard answer for Cambridge homeowners who want cooling in summer and efficient heat in the shoulder months, without tearing walls open for ductwork. In a 1920s Cambridgeport triple-decker or a converted Inman Square Victorian, a ductless system can be installed with minimal disruption, but the work needs a real load calculation first. Older Cambridge homes are leaky, and an oversized heat pump short-cycles, wastes power, and leaves rooms clammy. Our installers size to the structure, not to a rule of thumb. Read specifics on our Heat Pump Installation in Cambridge page.
Furnace Repair in Cambridge
Cambridge furnaces tend to be older than the national average because homeowners here keep equipment running until it truly fails. The most common mid-winter call we take is a furnace that will not light or will not stay lit, often traced to a dirty flame sensor or a failing igniter. The fix is usually fast, but Cambridge’s older basements mean we also check for water against the heat exchanger and for venting that has shifted over decades. A furnace that produces carbon monoxide is a serious hazard, never a do-it-yourself situation. Our Furnace Repair in Cambridge page covers pricing and emergency response.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Cambridge
Our technicians are factory-trained on Rheem, York, Daikin, and Bryant equipment, among other major residential brands. We keep common Cambridge repair parts on our trucks so most calls are resolved in one visit. See the full list on our brands page.
Pricing for HVAC Company in Cambridge, MA
| Service | Typical range in Cambridge |
|---|---|
| AC repair (minor – capacitor, contactor, relay) | $150 – $350 |
| AC repair (major – compressor, coil, fan motor) | $450 – $650 |
| Furnace repair (minor – flame sensor, igniter, thermocouple) | $150 – $400 |
| Furnace repair (major – blower motor, control board, heat exchanger) | $550 – $700 |
| AC installation (full system, existing ductwork) | $3,500 – $7,500 |
| Seasonal tune-up (AC or furnace) | $80 – $200 |
What drives cost up in Cambridge is access. Tight basements, alley-facing condensers, and condominium rules around roof work can all add time to a job. The price we quote is the price you pay, in writing, before work begins.
Neighborhoods We Serve in Cambridge
Our trucks work the whole city, and response time is generally 60 to 90 minutes for emergency calls anywhere in Cambridge. We run regular routes through the neighborhoods below and know the building stock shift from one block to the next.
- Cambridgeport
- Riverside
- Porter Square
- Inman Square
- East Cambridge
- Mid-Cambridge
Service Area – Cities Near Cambridge
Dalton Heating & Air serves Cambridge directly, with dispatch coordinated from our Boston office. If you are across the line, we also work in Somerville, MA, Belmont, MA, Medford, MA, and Boston, MA. The same written-pricing standard applies everywhere we go.
Serving Cambridge, MA - Our Local Coverage Area
We’re based in the Cambridge area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About HVAC Company in Cambridge
For emergency calls, we typically arrive within 60 to 90 minutes anywhere in Cambridge. For scheduled maintenance or installation work, we set a specific window and arrive inside it. That is part of The Garrison Code, and we do not make exceptions for Saturday or evening calls.
Most condenser replacements and new installations require a city permit, and Cambridge condominium associations often have their own paperwork requirements. Dalton Heating & Air handles permit filings and works with property managers directly, so you are not left managing the city and the board on your own. Call us to confirm what applies to your building.
Yes. We work in triple-deckers, converted Victorians, and multi-unit buildings across Cambridge. Unit-by-unit repairs, shared condenser replacements, and association-required documentation are all part of the job. The price is written before any work starts, and any repair carries a full-year written guarantee. Call (361) 306-9515 for a free estimate.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Cambridge Customers Say
"Honest, direct people. Told me what the furnace needed and nothing more, and the bill matched."
- Eliza S."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.