HVAC Companies in Green Bay, WI

Search “hvac green bay” and you’ll find dozens of listings but no easy way to compare them side by side. Submit one request through cntrctrs, and licensed Wisconsin HVAC pros reach out directly with quotes — typically three to five within about a day. No cold-calling five hvac companies in Green Bay, no repeating your problem over and over.

Green Bay’s housing stock shapes the work: the median home here was built in 1971, and 36% of the city’s units date to before 1960. That means original ductwork sized for smaller equipment, furnaces installed before modern heating-load standards, and registers that were never balanced for today’s systems. A solid quote accounts for that history instead of just quoting a box swap.

Pricing depends on equipment age, ductwork condition, and how much of a pre-1960 system is still in place. The ranges below reflect what licensed contractors in the Green Bay market typically charge for common hvac jobs, from a quick repair to a full furnace replacement.

AC repair in Green Bay usually lands at the low end for a bad capacitor or low refrigerant, but climbs when a compressor needs replacing. Replacement costs rise fastest when ductwork needs resizing — this is a heating-dominated climate with 7,077 heating degree days a year, so furnace and heat-pump capacity matter more here than raw AC tonnage. Jobs also move toward the top of the range when a crew has to core-drill through a 1950s foundation, add electrical capacity for a two-stage system, or work around aging ductwork in an older home.

A furnace that quits when it’s -11°F outside — Green Bay’s heating design temperature — isn’t a wait-and-see repair. The city sees 139 days a year at or below freezing, 14 of them at 0°F or colder, and indoor pipes can be at risk fast once heat drops. No heat, a gas smell, a carbon monoxide alarm, or a furnace tripping its breaker repeatedly all justify same-day service rather than a standard appointment.

AC repair in Green Bay is rarely a middle-of-the-night emergency the way a dead furnace is. Only 5 days a year typically reach 90°F, so most cooling failures can wait for a next-day slot. The exception is a household with an infant, elderly resident, or medical equipment that depends on climate control — that’s worth flagging for priority scheduling even in a mild summer.

• Emergency: no heat in winter, gas odor, CO alarm, water leaking from equipment onto finished space
• Standard: AC not cooling well, unusual noise, higher bills, routine tune-up

Expect an after-hours dispatch fee of $100 - $250 on top of standard labor, sometimes billed at 1.5 times the daytime rate.

Getting hvac help in Green Bay through cntrctrs takes minutes, not days of phone tag. You describe the job once, and the request goes out to licensed local pros who already cover your zip code.

1. Submit one request describing your furnace, AC, or ductwork issue.
2. Local licensed HVAC contractors in Green Bay review it and reach out with quotes.
3. Compare three to five quotes, usually within about 24 hours, and pick who to hire.

There’s no obligation to hire anyone, and you’re never charged for quotes. You stay in control of who calls, when they show up, and what you pay.

Wisconsin doesn’t issue a single statewide “HVAC license” the way some states do, but technicians working on refrigerant-based equipment must hold EPA Section 608 certification, and most municipalities require a Wisconsin Dwelling Contractor Qualifier credential for anyone pulling permits on furnace or AC installs. Green Bay requires a permit for furnace replacement, new AC installation, and most ductwork alterations tied to a system change — not for a like-for-like repair. Skipping the permit step on a full replacement can complicate a future home sale or insurance claim.

In Wisconsin the permit is the shortcut. Work on a one- or two-family home ties the building permit to a contractor's Dwelling Contractor Certification, so asking who is pulling the permit tests the credential without you opening a database - a contractor who wants you to pull it yourself is telling you something. Ask for the heat-loss calculation behind the equipment sizing while you are at it; the replacement should be sized on the house, not on whatever came out of it. That leaves you free to compare price, timeline, and equipment brand instead of chasing paperwork.

• Active Wisconsin contractor license and general liability insurance
• EPA 608 certification for any technician handling refrigerant
• A permit pulled for furnace or AC replacement, not just repair

How much does AC repair cost in Green Bay?

Most AC repair in Green Bay runs $150 to $600, depending on whether it’s a capacitor, a refrigerant leak, or a failing compressor. Simple electrical fixes are usually same-day and closer to the low end. A cracked coil or compressor swap can push toward full replacement territory instead. Get a written diagnosis before authorizing anything above a basic service call.

How fast can I get an hvac quote in Green Bay?

Most homeowners get their first quote within hours and a full set of three to five within about 24 hours of submitting one request. There’s no need to call multiple hvac companies in Green Bay separately. Licensed local pros contact you directly once they see the job details.

Do I need a permit to replace my furnace in Green Bay?

Yes — furnace and AC replacements require a permit in Green Bay, while like-for-like repairs typically don’t. A licensed contractor pulls the permit as part of the job, not something you handle yourself. Skipping it can create problems later with a home sale or insurance claim.

How does Green Bay’s climate affect furnace sizing?

Green Bay is a heating-dominated market with 7,077 heating degree days a year and a -11°F winter design temperature — furnace capacity matters more here than AC tonnage. An undersized furnace runs constantly and still can’t keep up on the coldest nights. A contractor should run a load calculation, not just match your old unit’s size.

Is duct cleaning worth it in an older Green Bay home?

Often yes — with 36% of Green Bay’s housing built before 1960, original ductwork frequently carries decades of dust and debris. Cleaning typically runs $350 to $650 and takes half a day. It’s worth pairing with a tune-up if you’re also replacing equipment.

What happens if my AC fails during a heat wave?

Green Bay only sees about 5 days a year above 90°F, so true AC emergencies are rare but not unheard of. Most companies still treat no-cooling calls as priority during a stretch of hot days, sometimes with an after-hours fee of $100 to $250. If anyone in the home has a medical condition affected by heat, say so when you request quotes — pros can prioritize accordingly.