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.

When should Green Bay homeowners schedule a heat pump tune‑up before winter?

Schedule a tune‑up in early fall. A fall inspection ensures correct refrigerant charge, defrost control settings, and outdoor unit clearance. Early scheduling also avoids the busiest season and gives time to order replacement parts if needed.

How can a homeowner tell if a heat pump needs replacement rather than repair in Green Bay?

Consider replacement when the system is old, requires frequent repairs, or fails to maintain comfortable indoor temperatures during cold snaps. A replacement assessment should include efficiency comparisons, expected performance in low temperatures, and projected payback. Get documented recommendations and compare at least two replacement proposals.

How do I find a contractor experienced with cold‑climate heat pump models in Green Bay?

Look for installers that list cold‑climate model installations, provide manufacturer training credentials, and show cold‑weather performance references. Request recent local job references and ask which models they recommend for Green Bay winters. Compare proposals for explicit low‑temperature capacity curves and defrost strategies.

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 Green Bay, WI listed here. They send quotes back — no obligation.

Best Heat Pump Replacement Companies in Green Bay, WI

Last updated July 26, 2026

Heat Pump Replacement in Green Bay: 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 1 contractor below publishes: In Wisconsin, HVAC contractors hold a DSPS HVAC Contractor credential — verify on dsps.wi.gov before scheduling.

How we rank Heat Pump Replacement providers → · Top picks meet at least one of: a category award, ≥2 verified signals, or Vouched Score ≥ 70.

Top picks

Wesley Heating & Cooling
Consistently strong customer feedback (4.9★ from 130+ Google reviews).
Google 4.9★ (130+)

Typical Heat Pump Replacement costs in Green Bay, WI (2026)

Last updated June 19, 2026

Estimated ranges for Green Bay, WI. 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)	$7,700–$15,400
Air handler replacement (paired with heat pump)	$1,450–$3,350
Ductwork modification (resize / re-balance per Manual D)	$580–$2,100

Why Green Bay homeowners choose specialist Heat Pump Installation during lake-effect winters

Lake-effect winters bring heavy snow and frequent temperature swings to Green Bay, making efficient heat pump sizing and installation essential for reliable year-round comfort. Many homeowners search for the best heat pump installation companies in Green Bay, WI. Look for licensed contractors offering clear warranties and emergency service during cold snaps.

What Green Bay homeowners most often ask about Heat Pump Installation (warranties, licenses, and emergency help)

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.
When should Green Bay homeowners schedule a heat pump tune‑up before winter?: Schedule a tune‑up in early fall. A fall inspection ensures correct refrigerant charge, defrost control settings, and outdoor unit clearance. Early scheduling also avoids the busiest season and gives time to order replacement parts if needed.
How can a homeowner tell if a heat pump needs replacement rather than repair in Green Bay?: Consider replacement when the system is old, requires frequent repairs, or fails to maintain comfortable indoor temperatures during cold snaps. A replacement assessment should include efficiency comparisons, expected performance in low temperatures, and projected payback. Get documented recommendations and compare at least two replacement proposals.
How do I find a contractor experienced with cold‑climate heat pump models in Green Bay?: Look for installers that list cold‑climate model installations, provide manufacturer training credentials, and show cold‑weather performance references. Request recent local job references and ask which models they recommend for Green Bay winters. Compare proposals for explicit low‑temperature capacity curves and defrost strategies.
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 Green Bay, WI listed here. They send quotes back — no obligation.