Best Heat Pump Replacement Companies in Knoxville, TN
Heat Pump Replacement in Knoxville: 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 (4.9★ from 1,295+ Google reviews).
Google 4.9★ (1,295+)
Consistently strong customer feedback (4.8★ from 5,030+ Google reviews).
Google 4.8★ (5,030+)
Consistently strong customer feedback (4.8★ from 1,465+ Google reviews).
Google 4.8★ (1,465+)
Consistently strong customer feedback (4.8★ from 570+ Google reviews).
Google 4.8★ (570+)
Consistently strong customer feedback (4.8★ from 5,740+ Google reviews).
Google 4.8★ (5,740+)
Consistently strong customer feedback (4.9★ from 2,310+ Google reviews).
Google 4.9★ (2,310+)
Consistently strong customer feedback (4.8★ from 1,170+ Google reviews).
Google 4.8★ (1,170+)
Typical Heat Pump Replacement costs in Knoxville, TN (2026)
Last updated
Estimated ranges for Knoxville, TN. 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) | $6,600–$13,200 |
| Air handler replacement (paired with heat pump) | $1,250–$2,900 |
| Ductwork modification (resize / re-balance per Manual D) | $495–$1,800 |
Why Knoxville's humid summers make Heat Pump Installation different
Yes — in Knoxville, humid summers make correct sizing and explicit dehumidification strategies essential. When choosing the best heat pump installation companies in Knoxville, TN, prioritize licensed contractors who size systems for humidity and confirm warranties.
Which Heat Pump Installation questions do Knoxville homeowners actually ask?
- 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.
- What questions should Knoxville homeowners ask about dehumidification and load calculations?
- Ask whether the installer performs a Manual J load calculation and evaluates latent humidity load separately. Request details on coil selection, airflow targets, and whether a dedicated dehumidification device is recommended. Contractors should explain how chosen equipment and controls will manage Knoxville’s high summer humidity without excessive short-cycling.
- 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 Knoxville, TN listed here. They send quotes back — no obligation.