Licensed · Insured · Professional
475-265-7545
Emergency Service Available

Heating & Furnace Service

No heat? Weird noises? Sky-high bills? APEX repairs, tunes, and replaces every kind of heating system Fairfield County has.

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Fast response · No obligation · Free estimates

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Licensed & Insured

Emergency Service Available

Upfront, Flat-Rate Pricing

4.9 Google Rated

Financing Available

HVAC

Why Homeowners Call APEX for Heating & Furnace Service

Connecticut winters are no joke. APEX’s heating techs repair, tune up, and replace gas furnaces, oil furnaces, boilers, heat pumps, and hybrid systems — with priority Rapid response when the heat goes down in January.

We service every major brand: Carrier, Trane, Lennox, Rheem, Goodman, Bryant, American Standard, Weil-McLain, Burnham, Buderus, and more.

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What's Included

Heating & Furnace Service — Full Service Scope

Furnace Repair

No-heat diagnostics, ignition, gas-valve, blower, and board repair.

Furnace Tune-Up

Full combustion analysis, safety check, and efficiency tune.

Furnace Replacement

High-efficiency 96%+ AFUE modulating gas furnaces.

Oil Furnace Service

Nozzle, pump, burner, tank-to-gas conversions.

Boiler Service

Hot water and steam boilers — repair & replace.

Heat Pump Service

Compressor, defrost board, refrigerant, reversing valve.

CO & Safety Testing

Carbon monoxide and combustion-safety diagnostics.

Thermostat Install

Smart thermostats and zoning system configuration.

Rapid No-Heat Response

Priority dispatch on every no-heat call, winter-long.

Our Process

How the Heating & Furnace Service Visit Works

01

Diagnose

Licensed tech arrives, identifies the root cause, and explains your options.

02

Quote

Flat-rate pricing in writing — you approve before any wrench turns.

03

Complete the Work

Parts on the truck, code-compliant install, cleaned up before we leave.

04

Stand Behind It

Parts & labor warranty, plus a courtesy follow-up to make sure all’s well.

Real Customers · Real Reviews

Fairfield County Trusts APEX

Rated 4.9/5 across Google, Yelp & Angi

“Our water heater died on a Sunday. APEX was at the door in under two hours, had a new unit installed the same afternoon, and the price matched the quote exactly. Zero surprises.”

Jennifer M.

Ridgefield, CT

“Replaced our old central AC with a Mitsubishi ductless system in our 1920s home. Clean install, respectful of the property, and our electric bill dropped 30% the first month.”

Mark & Dana P.

Westport, CT

“Commercial property manager here — APEX handles our whole portfolio now. Fast, licensed, and their invoicing is clean. Can’t recommend them enough.”

R. Velasquez

Stamford, CT

Frequently Asked

Heating & Furnace Service FAQs

My furnace won't turn on — should I call or try something first?

Quick checklist: thermostat on & set above room temp, furnace switch on, breaker not tripped, filter not clogged, and the pan/drain not full. If all check out, call us — most no-heat calls are resolved in one visit.

Once a year, ideally in fall before you need it. An annual tune-up catches failing parts early, keeps efficiency high, maintains your warranty, and verifies combustion safety (CO).

If you have natural gas available at the street, almost always yes. Operating costs drop dramatically, and gas equipment is more reliable. We handle the tank removal, line install, and permit.

Standard 80% AFUE installs start around $5,500; high-efficiency 96% modulating systems run $8,500–$13,000 depending on sizing, venting, and accessories. All quotes are flat-rate.

Service Area

Proudly Serving Fairfield County, CT

From the Gold Coast to the foothills, APEX responds fast across every town in Fairfield County. If you don’t see your town listed, give us a call — if you’re nearby, we’re on the way.

Emergency Response

Need a Plumber or HVAC Tech Right Now?

Fairfield County’s trusted team — on call when you need us. Upfront pricing. No overtime fees.
475-265-7545