Best Heat Pump Replacement Companies in Chattanooga, TN
Heat Pump Replacement in Chattanooga: 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 4 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 4,400+ Google reviews).
Google 4.8★ (4,400+)
Consistently strong customer feedback (4.8★ from 1,790+ Google reviews).
Google 4.8★ (1,790+)
Consistently strong customer feedback (4.8★ from 1,290+ Google reviews).
Google 4.8★ (1,290+)
Consistently strong customer feedback (4.8★ from 725+ Google reviews).
Google 4.8★ (725+)
Typical Heat Pump Replacement costs in Chattanooga, TN (2026)
Last updated
Estimated ranges for Chattanooga, 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) | $6,450–$12,950 |
| Air handler replacement (paired with heat pump) | $1,200–$2,850 |
| Ductwork modification (resize / re-balance per Manual D) | $485–$1,800 |
Why choosing the right "Heat Pump Installation" matters in Chattanooga, Tennessee’s mixed-humid climate
Chattanooga’s mixed-humid climate means homes need efficient cooling in hot, humid summers and reliable heating in cool winters, so correct equipment sizing matters. When planning a swap, compare the best heat pump installation companies in Chattanooga, TN on efficiency, warranty terms (advertised), and local code familiarity.
How long will a standard heat pump install take in Chattanooga, and what affects that timeline?
- 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 Chattanooga heat pump installers need a contractor license from the Tennessee Board for Licensing Contractors?
- Yes. Confirm the contractor's license number with the Tennessee Board for Licensing Contractors. Heat pump installers performing regulated trade work fall under the Tennessee Department of Commerce and Insurance — Board for Licensing Contractors. Homeowners should confirm a contractor's license number and check its status with the state board. Licensed contractors demonstrate compliance with state trade rules and make permit submission and inspections easier.
- Does a heat pump replacement in Chattanooga need to meet the 2021 IECC requirements?
- Yes. Confirm the contractor's license number with the Tennessee Board for Licensing Contractors. Tennessee has adopted the 2021 IECC statewide, so replacement work must meet applicable efficiency and installation requirements in that code. Ask for documentation that equipment and installation practices comply with the 2021 IECC. Contractors who provide written Manual J and equipment specification sheets make code compliance easier to verify.
- How to choose a heat pump installation contractor in Chattanooga TN?
- Choose a contractor who performs a written Manual J load calculation, shows NATE or manufacturer training certificates, and documents compliance with the 2021 IECC. Ask for references from recent Chattanooga installs and written estimates that separate equipment, labor, and permit fees. Compare proposals for scope and testing procedures.
- 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 Chattanooga, TN listed here. They send quotes back — no obligation.