The independent heating and cooling company across Kentucky and the Ohio Valley

Furnace Replacement in Louisville, KY

We size, remove and install replacement heating systems, and homeowners across Louisville call us for furnace replacement when a heat exchanger cracks or a unit stops holding temperature through a hard January freeze. Basement installs in older houses often need venting and gas line work brought up to current practice, so we look at the whole path before quoting anything. You get the options, the trade-offs and a straight timeline. Phone us to set a visit, or send the quote form with your address.

Call (888) 414-3292

A real person answers
Open 7 days
Written quote before work starts

Taking calls until 5:00 PM ET

All major brands repairedCarrier Trane Lennox Goodman Rheem York American Standard Bryant

Why Louisville homes end up needing this

It kicks on and off every few minutes and never catches up Oversized furnace or short cycling from airflow and sizing problems
The upstairs bedrooms stay cold no matter what I set it to Undersized equipment, duct and return air problems, poor distribution
We have already paid for two big repairs this winter Repeat failures on aging parts, repair cost stacking toward replacement

What a Furnace Replacement Actually Involves

We start by measuring the house, not by matching the label on the old unit. Older furnaces were often oversized, which short cycles the burners and leaves back bedrooms cold. We calculate the BTU load, check whether the existing ductwork can carry the airflow, and confirm the flue or venting suits the new equipment. Then we shut down and disconnect the old furnace, set the new one, tie in gas, electrical and condensate, and run it through a full heating cycle before we pack up.

What We Check and Install

Along with the furnace itself we look at the gas line and shutoff, the flue or vent run, the return air path, the filter cabinet and the thermostat wiring. A century-old shotgun house with converted ducts needs different work than a 1970s subdivision with a plenum in the basement. We often add or resize a return, replace a rusted flue section, and set up a filter slot you can actually reach. Before we leave we verify temperature rise, static pressure and safe combustion, then walk you through it.

How We Decide Replacement Is the Right Call

Repair first is our default. We recommend replacement when the heat exchanger is cracked, when parts for that model no longer exist, when a furnace has needed heating repair three winters running, or when the repair cost approaches the cost of new equipment. Age matters, but a well maintained twenty year old furnace with a sound heat exchanger can keep going. We show you what we found, explain both paths, and let you choose. No pressure and no scare tactics from us.

Louisville coverage

From Louisville we also cover Jeffersontown, Shively, St. Matthews, Middletown, Fern Creek, Shepherdsville, Mount Washington, La Grange and across the river to Jeffersonville, New Albany and Clarksville.

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Related furnace installation work in Louisville

All furnace installation in Louisville → · Furnace Replacement across the region →

What every visit includes

You approve a written quote first

Covering 171 cities across Illinois, Indiana, Kentucky and 3 more.

A real person answers

Open 7 days, 8:00 AM to 5:00 PM ET.

Independent of every manufacturer

Carrier, Trane, Lennox, Goodman and more. We are not an authorized dealer for any of them.

Furnace Replacement in Louisville — quick answers

How long does a furnace replacement take?

Most straight swaps run a single day. If the venting has to be rerouted, returns added or ductwork reworked, plan on two days. We confirm the timeline after we have seen the space.

Can I keep my existing ductwork?

Usually yes, though we test it first. Undersized returns and leaky joints are common in older homes across the region, and we would rather seal or resize than install new equipment onto ducts that choke it.

How soon can you get to my Louisville home?

Call us and we will give you a real window rather than a guess. During a July heat stretch or the first hard freeze in January the calls stack up fast, so same-day slots go early in the morning. If your AC or furnace is completely down, tell us when you call and we will treat it as urgent. Before we arrive you can check the thermostat batteries and settings, look for a tripped breaker, change a dirty filter and clear leaves or grass clippings away from the outdoor unit.

How it works

Step 1
Tell us the symptom
Call or fill in the quote form. We ask what changed, when it started, and what the thermostat reads. That short conversation tells us whether you need a visit today or tomorrow morning.
Step 2
We diagnose on site
A technician checks the thermostat, the electrical side, airflow through the filter and ducts, and the equipment itself. We find the actual cause instead of swapping parts and hoping the noise goes away.
Step 3
You decide before we work
We explain what failed, what the repair involves, and what we would do if it were our own house. Nothing gets replaced until you say go. Then we test the system before leaving.

Call (888) 414-3292

A real person answers
Open 7 days
Written quote before work starts

Why homeowners call us

Old houses and new onesWe are used to century-old homes with retrofitted ductwork and 1970s subdivisions with original returns. Tight crawl spaces, low basement headroom and odd attic runs are normal parts of the day for us, not surprises that stall the job.
Built for the swingsHumid summers push AC systems hard and January freezes expose weak igniters and cracked flues. We repair for both extremes across the region, so the fix holds when the weather turns instead of failing the first hard week.
Air conditioning and heating bothAir conditioner repair in July, heating repair in January, and the IAQ and airflow problems that hide in between. One crew that knows how your cooling and heating share the same blower and the same duct system.
Plain talk, no pressureWe tell you when a repair makes sense and when replacement is the honest answer. No scare tactics about your BTU load, no upsell scripts. You get the condition of the system and a clear next step.
All major brands, gas & electricEvery major HVAC brand, gas and electric, handled by an independent crew.
Straight answersIf a system is not worth repairing, we say so, often right on the phone.