Best Heat Pump Replacement Companies in Louisville, KY
Heat Pump Replacement in Louisville: sizing + authorization
A replacement or conversion is bid on Manual J load calculation, manufacturer authorization, and matched-system commissioning — oversizing is the #1 cause of comfort complaints. Here is what each of the 7 contractors below publishes: Verify your state's HVAC contractor license through the state licensing board before paying a deposit.
Top picks
Consistently strong customer feedback (4.8★ from 5,955+ Google reviews).
Google 4.8★ (5,955+)
Consistently strong customer feedback (4.9★ from 590+ Google reviews).
Google 4.9★ (590+)
Consistently strong customer feedback (4.8★ from 1,295+ Google reviews).
Google 4.8★ (1,295+)
Consistently strong customer feedback (4.8★ from 605+ Google reviews).
Google 4.8★ (605+)
Consistently strong customer feedback (4.9★ from 585+ Google reviews).
Google 4.9★ (585+)
Consistently strong customer feedback (4.9★ from 520+ Google reviews).
Google 4.9★ (520+)
Consistently strong customer feedback (4.8★ from 780+ Google reviews).
Google 4.8★ (780+)
Typical Heat Pump Replacement costs in Louisville, KY (2026)
Last updated
Estimated ranges for Louisville, KY. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| Ducted air-source heat pump + air handler, full system (installed) | $7,150–$14,300 |
| Air handler replacement (paired with heat pump) | $1,350–$3,150 |
| Ductwork modification (resize / re-balance per Manual D) | $535–$1,950 |
Why Louisville homeowners choose "Heat Pump Installation" services (population 629,176)
Humid summers and occasional winter cold snaps drive Louisville homeowners to prefer efficient, dual‑mode systems that cut energy use and handle humidity. Searching for the best heat pump installation companies in Louisville, KY often focuses on contractors with humidity management experience, local reviews, and proper permits.
Which Heat Pump Installation permits or licenses are required in Louisville, KY?
- Can I replace my gas furnace with a heat pump?
- Yes — a heat pump both heats and cools, so it can fully replace a gas furnace. In colder areas a dual-fuel setup keeps the furnace as backup for the coldest days. Either way, insist on a Manual J load calculation; conversions can need duct resizing or an electrical upgrade.
- When is replacing an old heat pump better than repairing it?
- If it's past 12–15 years, still uses phased-out R-410A refrigerant, needs a compressor, or the repair bill approaches a third of replacement cost, replacing usually wins. A reputable contractor compares both paths before recommending.
- Do Louisville heat pump installers need a DHBC trade contractor license?
- Yes. Kentucky requires HVAC trade contractors to hold a license from the Kentucky Department of Housing, Buildings and Construction (DHBC). Homeowners should verify a contractor's DHBC license number and confirm it is active. Licensed status indicates the installer can apply code‑required permits and sign off on work under the 2021 IECC as adopted by Kentucky.
- What factors most affect pricing for heat pump work in Louisville?
- Local pricing depends on system size, duct or distribution modifications, permit complexity, and seasonal demand during humid summers or cold snaps. Older Louisville homes often need duct upgrades or line‑set relocations, which increase labor and permit items. Ask providers for an itemized bid that separates equipment, labor, permits, and commissioning tasks.
- How should homeowners verify an installer's code compliance with the 2021 IECC?
- Request documentation showing the installer follows 2021 IECC requirements, such as a duct leakage test, system sizing report, and installed equipment efficiency data. Ask for permit numbers and inspection sign‑offs. Look for written commissioning checklists that reference the IECC and confirm signed final inspections by the local authority.
- How do I get a quote from these heat pump installation companies?
- Submit one request on this page and we send it to the vetted heat pump installation pros in Louisville, KY listed here. They send quotes back — no obligation.


