Serving Lexington, MA

4.8 Rating · 6 Local Reviews

Furnace Installation in Lexington, MA

Warm, quiet, high-efficiency furnace installations for Lexington homes — done right the first time.

A furnace should disappear into the house — no rattles, no cold spots, no surprise bills. In Lexington, that means properly sized 95%+ efficient equipment, correctly designed venting, sealed ductwork, and a commissioning process that verifies the system is actually running the way the manufacturer intended.

Why Furnace Installation in Lexington?

Today's condensing gas furnaces deliver 95–98% efficiency, quiet variable-speed blowers, and dramatically better temperature evenness than the 20-year-old equipment they typically replace. Done right, a new furnace lowers energy bills and makes the whole house feel more comfortable.

95%+ Efficiency

Modern condensing furnaces convert almost every therm to actual heat in the house.

Quiet, Variable-Speed

Two-stage and variable-speed blowers deliver even heat without the loud on/off cycles of older gear.

Right-Sized to the House

Manual J sizing means better comfort and longer equipment life.

Full Commissioning

Every install verified — gas pressure, temperature rise, static pressure, safeties.

Why Choose Prodigy Climate Solutions

We install Carrier, Trane, Lennox, Bryant, Rheem and Goodman furnaces, size everything to a proper Manual J load, and commission the system after install — static pressure, gas pressure, temperature rise, all verified in writing.

Licensed & fully insured Massachusetts HVAC contractor
Factory-trained on every major HVAC brand
Transparent, itemized pricing with no surprises
Honest recommendations — right-sized, not the biggest ticket
Attention to detail from the driveway to the walkthrough
Clean, protected jobsites — floors, walls, and landscaping
Written satisfaction guarantee on every project
Flexible financing and Mass Save® rebate paperwork handled

Request a Free Estimate Call (857) 316-8944

Our Process

Every Lexington project follows the same disciplined approach — no cut corners, no upsells, no surprises.

1
Free Consultation
We start with a conversation — your goals, comfort frustrations, and budget.
2
Home Evaluation
A full walkthrough of the property, from mechanical room to airflow and insulation.
3
Load Calculation
Sizing done properly, so the equipment fits the house — not a rule of thumb.
4
Honest Recommendation
An itemized brand and tier recommendation with clear, written pricing.
5
Professional Install
A meticulous, protected jobsite with factory-trained technicians.
6
Commissioning
Charging, calibration, and full commissioning to manufacturer specifications.
7
Performance Testing
Airflow, temperature split, pressures, and controls verified before we leave.
8
Customer Walkthrough
We show you how everything works and file rebate paperwork for you.

HVAC Brands We Install & Service

We work on the industry's most respected HVAC equipment and match brand and tier to the specific needs of your Lexington home rather than defaulting to a single manufacturer.

Mitsubishi Electric Bosch Goodman Carrier Trane Lennox Daikin

Why This Matters in Lexington

Lexington's mix of Colonials, split-levels, and larger new-construction homes needs matched sizing, not a rule of thumb. Oversized furnaces short-cycle, wear parts prematurely, and leave rooms uneven. We size to the house.

Furnace Replacement in Lexington's Mixed Housing Stock

Lexington spans antique homes near the Battle Green, a dense band of postwar Capes and ranches through East Lexington, and 1960s–80s Colonials in the Countryside and Meriam Hill areas — and each one presents a different furnace project. The antique homes frequently have converted gravity systems with oversized octopus trunks that a modern high-efficiency furnace will not match without duct modification. The postwar Capes tend to have a basement furnace with short, tight runs where the real constraint is return air, not supply. The 1970s Colonials usually have a 1990s-era 80% furnace in a utility closet where switching to a 95%+ condensing unit means new PVC venting to a sidewall and a condensate pump. We identify which category your home falls into before quoting, because the cost difference between a straight swap and a properly reconfigured install is real and you should see it itemized rather than absorbed.

Venting, Combustion Safety, and Orphaned Water Heaters

The detail that most often gets skipped on a Lexington furnace changeover: when you remove an 80% furnace from a masonry chimney and vent the new condensing furnace out a sidewall, the gas water heater sharing that chimney is now orphaned. An oversized, cold flue with a single small appliance on it can fail to draft properly and spill combustion products into the basement. The correct answers are relining the chimney to the right diameter, moving the water heater to power venting, or converting it to a heat pump water heater — but the wrong answer, which we do see, is leaving it alone. We perform combustion analysis and a draft test at commissioning on every Lexington furnace install, verify CO levels at the appliance, and document the readings. We also confirm the sidewall termination clears windows, decks, and the property line per code and does not dump plume onto a walkway that ices in January.

Sizing, Staging, and Lexington Winter Comfort

Most furnaces we replace in Lexington are meaningfully oversized for the house, often because the original was sized off square footage and then a later insulation project cut the actual load. An oversized single-stage furnace heats fast, shuts off, and leaves the far bedrooms cold while the hallway thermostat is satisfied — the classic temperature swing homeowners describe as drafty. We run a Manual J using your real insulation, window, and infiltration conditions, then usually specify a two-stage or modulating furnace with a variable-speed blower that runs longer at lower output. Long, low-speed run time mixes air between floors, improves filtration, and holds a steadier temperature on a five-degree January night. If you are considering a heat pump within the next several years, we will also configure the furnace and blower so it can serve as the backup stage in a dual-fuel system later instead of needing to be replaced again.

Furnace Installation Throughout Lexington

We serve every corner of Lexington, MA — including Lexington Center, East Lexington, Countryside, Munroe, Pierce's Bridge, Meriam Hill and Follen Hill — and surrounding ZIP 02420.

Lexington CenterEast LexingtonCountrysideMunroePierce's BridgeMeriam HillFollen Hill

Licensed & Insured

Fully credentialed Massachusetts HVAC contractor.

Free Estimates

Honest, in-home evaluations with no obligation.

Financing Available

Flexible financing and Mass Save® rebates handled.

Satisfaction Guaranteed

Every project backed by our written guarantee.

Frequently Asked Questions

Everything Lexington homeowners ask us about furnace installation.

How long does a furnace install take?+

Most Lexington installs are complete in one day; complex venting or duct work may take two.

What efficiency should I choose?+

95–97% is the sweet spot for most Lexington homes; higher tiers make sense in specific cases we can walk through.

Can I keep my existing AC coil?+

Usually yes, if it is healthy and compatible with the new furnace. We inspect first.

Do you handle permits and inspections?+

Yes — we pull the required Lexington permits and coordinate the inspection.

Should I consider a heat pump instead?+

In many Lexington homes, yes. We'll show you both options and the honest math.

What brands do you install?+

Carrier, Trane, Lennox, Bryant, Rheem and Goodman, matched to the home.

Do you offer financing?+

Yes — flexible financing is available and disclosed on the estimate.

What warranty do I get?+

Typically 10 years parts on registered equipment plus our written workmanship guarantee.

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Free Estimate

Furnace Installation in Lexington, MA

Tell us a few details and we'll get right back to you — usually the same day.

Ready When You Are

Book a free in-home furnace evaluation and we'll walk you through equipment options, itemized pricing, and financing for your Lexington home.

Request Your Free Estimate Call (857) 316-8944