Dalton Heating & Air hvac team

HVAC Company in Long Hill - 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
Call Now - 24/7 Dispatch

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 Long Hill, CT

Dalton Heating & Air is the HVAC company Long Hill homeowners call when they want a written price before any work starts and a full-year guarantee after it’s done. We handle AC repair, furnace repair, and heat pump installation across Long Hill, CT – and every job is run on The Garrison Standard: arrive inside the stated window, price in writing first, do the work by the book, leave the site clean, and stand behind the repair for 365 days. If you need a real person to answer the phone right now, call (361) 306-9515 – we answer live, 24/7.

Call (361) 306-9515

Long Hill’s older housing stock and tight lot lines make HVAC work here different from the newer subdivisions across Fairfield County. We’ll get into that below.

Why Long Hill Homes Are Different

Long Hill sits between Trumbull and the Merritt Parkway corridor, and the homes reflect several decades of building: 1950s capes and ranches, 1960s split-levels, and a fair number of 1980s colonials with additions. What that means for heating and cooling work is pretty direct. Many of the original duct systems were sized for oil-fired furnaces, not modern high-efficiency heat pumps or AC condensers. When we replace a system in Long Hill, we see undersized return ducts more often than not, and that changes the load calculation and the equipment choice. A heat pump that would work fine in a newer build may struggle in a Long Hill cape with original ducts and no wall insulation.

The terrain matters too. Long Hill’s lots are often sloped, with condensing units tucked beside foundation walls or under deck overhangs. That affects airflow, drainage, and access for service. We route line sets and electrical differently when a unit sits against a hill than when it’s in an open side yard. Snow and leaf debris also collect faster against those tucked-in units, so we check drainage more carefully on spring maintenance calls here than we would on a flat, open lot.

Permitting in Long Hill goes through Trumbull’s building department, and the inspectors care about equipment clearances, electrical disconnects, and condensate drainage. Our crews pull permits when the job requires them and schedule the inspection as part of the install. No homeowner should have to chase that paperwork themselves.

Our Main Long Hill Services

Most calls we get in Long Hill fall into three buckets: an AC system that quit in July, a furnace that won’t fire in January, or a homeowner planning to replace an aging system with a heat pump. Here’s what each one looks like in this town.

AC Repair in Long Hill

Long Hill’s tree cover is beautiful, but it drops a lot of debris onto condensing units. Cottonwood, maple seeds, and pine needles clog coils and reduce airflow, which makes the compressor work harder and shortens its life. We also see a lot of capacitor failures and contactor wear on older Rheem and Goodman units in this area, simply from run-time. If your system is blowing warm air or short-cycling, our techs diagnose it with gauges and meters, put the repair price in writing, and usually have the part on the truck. Read more about what’s involved here: AC Repair in Long Hill.

AC Repair in Long Hill

Heat Pump Installation in Long Hill

More Long Hill homeowners are looking at heat pumps as oil prices climb and rebates through Eversource and the state become more predictable. The complication here is the existing ductwork. A heat pump moves air differently than an oil furnace, so the duct sizing and return-air path have to be checked before we quote. We also handle cold-climate units that hold their capacity down into the teens, which matters for Long Hill winters. Marco Benitez reviews every heat pump proposal personally before it goes to the homeowner. The full process is on this page: Heat Pump Installation in Long Hill.

Heat Pump Installation in Long Hill

Furnace Repair in Long Hill

A furnace that locks out on a cold January night in Long Hill is not a scheduling inconvenience – it’s a real problem when temperatures drop into the teens. We get a lot of calls for failed igniters, dirty flame sensors, and tripped limit switches on Trane and Lennox furnaces in this area. The fix is often quick: clean the sensor, replace the igniter, confirm the gas pressure. But we also check the heat exchanger on every furnace call, because a cracked exchanger is a carbon monoxide risk and it’s the one repair you don’t put off. Details and pricing are here: Furnace Repair in Long Hill.

Furnace Repair in Long Hill
Need help today?Fast, friendly service and a no-obligation free estimate.

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 Long Hill

Our techs are factory-trained on nine major residential HVAC brands, including Trane, Lennox, Goodman, and Rheem. We stock common capacitors, contactors, igniters, flame sensors, and pressure switches on the trucks, so most Long Hill repair calls are one visit. For anything unusual, our Hartford parts network gets it to us within a day. See the full brand list on our brands page.

Pricing for HVAC Company in Long Hill, CT

These are the price ranges you’ll see from us in Long Hill. They aren’t bait numbers – they’re the real spread based on part cost and labor, and the price goes in writing before we start.

Service Typical range in Long Hill
AC repair (minor: capacitor, contactor, fan motor) $150 – $450
AC repair (major: compressor, coil, control board) $450 – $650
Furnace repair (minor: igniter, flame sensor, limit switch) $150 – $400
Furnace repair (major: gas valve, blower motor, control board) $400 – $700
AC installation (full system, standard efficiency) $3,500 – $5,500
AC installation (full system, high efficiency) $5,500 – $7,500
Seasonal tune-up (AC or furnace) $80 – $200

What pushes a Long Hill job toward the top of these ranges is access: a unit crammed against a slope, a crawlspace that’s tight, or ductwork that needs modification to match the new equipment. What doesn’t change is the price once we’ve written it. The quote is the quote.

Neighborhoods We Serve in Long Hill

We run calls across all of Long Hill, from the streets off Main Street up toward the Trumbull line and back through the residential roads south of the Merritt. Our typical response time for a Long Hill call is same-day for AC or furnace failures, and we schedule heat pump installations within one to two weeks depending on equipment availability.

  • Long Hill center and Main Street corridor
  • Streets off Booth Hill Road
  • Reservoir Avenue area
  • Neighborhoods along the Pequonnock River valley
  • Subdivisions off Daniels Farm Road

Service Area – Cities Near Long Hill

Dalton Heating & Air serves Long Hill and the surrounding region. If you’re in a neighboring community, we also cover Bridgeport, PA, Stamford, CT, New Haven, CT, and Hartford, CT. Dispatch and scheduling are coordinated from our Hartford office, but the crews running Long Hill calls live and work locally.

Serving Long Hill, CT - Our Local Coverage Area

We’re based in the Long Hill 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 Long Hill

Ready to get started? Free estimates · within the hour response in Long Hill
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 Long Hill Customers Say

★★★★★ 5.0 from 7+ reviews

"Changed the filter size and added a better filter rack. Simple and useful advice."

- Rhonda C.

"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.

How It Works in Long Hill

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 Long Hill - 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

Request a Free Estimate

Tell us what's going on in Long Hill - we'll get back to you fast. No obligation.

By requesting your free estimate, you agree to the terms of our Privacy Policy and agree to be contacted through phone, text, or email regarding your service needs, including from the affiliated professionals who may take on the job.

Prefer to text? Text Us
Call Now - 24/7 Dispatch
Areas We Serve
Call Now - 24/7 Dispatch