Dalton Heating & Air hvac team

HVAC Company in Collinsville - On-Site Today, No Overtime Charge

Same-day heating and cooling service with the price agreed before we start, and no overtime surcharge for evenings or weekends. Licensed, insured, EPA-certified technicians.

✓ Licensed & Insured ✓ Written quotes ✓ Permits handled
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We answer around the clock

🛡 Licensed & Insured 📝 Written Fixed-Price Quotes 💲 No Change Orders · Free Estimates
Every visit starts with

Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed

Your new heating and cooling system for as low as $119/month*on approved credit; ask for current terms

Diagnosis first, numbers second - you approve the repair price before a single part goes in.

Styles & brands we work with

AC repair
AC repair
Furnace & heating
Furnace & heating
Heat pumps
Heat pumps
Ductless mini splits
Ductless mini splits
Carrier
Carrier
Trane
Trane
Goodman
Goodman

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

HVAC Company in Collinsville, CT

Collinsville sits in the Farmington River valley, where summers push into the high 80s with real humidity and January nights routinely drop into the teens. The housing stock here is a mix of 19th-century mill homes, mid-century capes, and newer construction, which means one street can have three different heating and cooling setups. Dalton Heating & Air handles all of it: state-licensed, insured and bonded, with a written price before any work starts and a full-year written guarantee on every repair. Call (361) 306-9515 and a live person answers, day or night.

Call (361) 306-9515

Why Collinsville Homes Are Different

Collinsville’s housing predates modern HVAC by a wide margin in many cases. Homes near Main Street and the old axe factory were built for wood stoves and coal, then retrofitted for oil, then gas or heat pumps, and sometimes all three in sequence. The result is ductwork that runs through odd chases, plaster walls that complicate line-set runs, and load profiles that change room to room. We see this constantly on River Road and Maple Avenue: a bedroom that stays 10 degrees warmer than the kitchen, because the original duct layout never anticipated central air.

The terrain matters too. Collinsville climbs from the Farmington River up steep side streets, and those elevation changes affect static pressure in forced-air systems and refrigerant line lengths for heat pumps. A condenser unit installed at the top of a hill on Dunne Avenue works harder than one down by the river. Winter brings ice and snow that bury outdoor units, so we recommend elevating heat pump condensers on stands and clearing them after every storm. None of this is exotic; it is just what Collinsville demands.

Our Main Collinsville Services

The two calls Collinsville homeowners make most often are for AC repair in summer and furnace repair in winter. Heat pump installation is right behind them as more homes switch away from oil and window units. Here is what each job involves here.

AC Repair in Collinsville

Central air in Collinsville tends to be older. Many systems we see are 12 to 18 years old, and the most common failures are capacitor burnouts, contactor failures, and refrigerant leaks. A capacitor is the part that starts your compressor and fan motor; when it fails, the outside unit hums but never spins up. Refrigerant leaks are trickier because they usually mean a pinhole in the coil, not just a recharge. In older Collinsville homes with tight mechanical closets, we often find airflow problems caused by collapsed flex duct or a blower motor caked with dust. Read the full breakdown on our AC Repair in Collinsville page.

AC Repair in Collinsville

Heat Pump Installation in Collinsville

Heat pumps are catching on in Collinsville because they handle both heating and cooling, and they pair well with the solar arrays we see on newer homes off Powder Mill Road. A proper heat pump installation here is not a one-day swap; it requires a Manual J load calculation, a check of the existing ductwork, and often electrical panel work to support the new circuit. Collinsville’s older homes sometimes need a subpanel or service upgrade first, which is why we quote installation as a fixed written price after we see the house. Details are on our Heat Pump Installation in Collinsville page.

Heat Pump Installation in Collinsville

Furnace Repair in Collinsville

Furnace repair season in Collinsville starts in late October and runs hard through March. The most common failures are igniter burnout, flame sensor fouling, and inducer motor failure. An igniter is the ceramic piece that lights the gas; when it cracks, the furnace locks out and you get cold air from the vents. Flame sensors get coated with carbon and need cleaning or replacement. In Collinsville’s older homes, we also see a fair number of cracked heat exchangers on furnaces past their service life. That is a safety issue, not just a comfort one. More on our Furnace Repair in Collinsville page.

Furnace Repair in Collinsville
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Call (361) 306-9515

What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Collinsville

Our techs are factory-trained on Goodman, Rheem, York, and Daikin, plus five other major residential brands. We keep common parts for these systems stocked on our trucks, and most repairs are finished in one visit. You can see the full list on our brands page.

Pricing for HVAC Company in Collinsville, CT

These are the ranges Collinsville homeowners should expect, based on the work we do here. Every price is written down and agreed to before we start.

Service Typical Range in Collinsville
AC repair (minor, capacitor or contactor) $150 – $350
AC repair (major, compressor or coil) $350 – $650
Furnace repair (minor, igniter or flame sensor) $150 – $350
Furnace repair (major, blower motor or heat exchanger diagnosis) $350 – $700
AC installation $3,500 – $7,500
Tune-up (per system) $80 – $200

What pushes a Collinsville repair toward the top of those ranges is access: a furnace in a tight crawlspace off an old stone foundation takes longer than a clean basement mechanical room. Steep terrain and long line sets also add labor. Whatever the final number, you get it in writing before we touch a screwdriver, and the repair is guaranteed in writing for a full year.

Neighborhoods We Serve in Collinsville

We run calls across all of Collinsville, from the village center out to the edge of Canton. Our typical arrival window is within two hours for non-emergency calls, and often faster when it is a no-heat or no-cooling situation.

  • Collinsville village center
  • Near the Farmington River along River Road
  • Maple Avenue and the surrounding streets
  • Powder Mill Road area
  • Dunne Avenue and the hillside streets

Service Area – Cities Near Collinsville

Dalton Heating & Air is headquartered in Hartford, and our crews serve Collinsville locally. We also run calls in Hartford, CT, West Hartford, CT, New Britain, CT, and Bristol, PA.

Serving Collinsville, CT - Our Local Coverage Area

We’re based in the Collinsville 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 Collinsville

Ready to get started? Free estimates · within the hour response in Collinsville
Call (361) 306-9515

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local hvac pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Collinsville Customers Say

★★★★★ 5.0 from 7+ reviews

"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.

"Tech arrived in uniform right on time. AC wasn't cooling, found a failed capacitor, and replaced it in twenty minutes. The owner is a veteran and the company runs like it."

- Frank O.

How It Works in Collinsville

Getting your hvac handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your hvac needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Collinsville - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

Current Offers

Bring these savings to your next appointment.

10%

10% Off Your First Service Visit

Valid on your first completed service visit with us.

Expires Mar 31, 2027
Always

Written Price Before Any Work Starts

Expires Mar 31, 2027
Included

Written Guarantee on Every Repair

Expires Mar 31, 2027
Free

Free Second Visit if the Repair Fails

Expires Mar 31, 2027

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Areas We Serve
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