(920) 516-9221
HVAC in Green Bay, WI: heat pump outdoor unit on a raised stand beside a home

HVAC in Green Bay, WI

Trusted Heating & Cooling Service in Green Bay, WI

Reliable heating and cooling service for area residents and businesses, with same-day availability.

Call for a Fast Quote

✓ Prompt & Professional ✓ All Brands Serviced
Call (920) 516-9221
Taking calls now. Wait time: 0–2 minutes
★★★★★ 4.8 / 5 stars (200+ reviews)
Our technicians providing HVAC in Green Bay, WI

Professional Service, Fast Results

Local residents trust Madison HVAC for no-AC and no-heat emergencies because we combine fast arrival times with thorough, professional workmanship.

800+Systems Serviced
LocalTechnicians
UpfrontQuotes

Green Bay HVAC Repair, Installation & Maintenance

Comfort in Green Bay shouldn't depend on the season. Madison HVAC keeps local homes and businesses at the right temperature year-round with responsive, experienced heating and cooling service, from quick furnace repairs to properly sized new systems. We've worked in nearly every neighborhood in the area, which means we've seen how these systems fail locally and we arrive prepared, with the common failure parts already on board. One call to (920) 516-9221 and the problem starts getting solved.

Homeowner and technician reviewing a thermostat in Green Bay
A quick walkthrough of the thermostat settings is part of the visit.

Complete Heating & Cooling Services for Green Bay Properties

Heating and cooling around here means a wide mix of equipment: older gas furnaces on the older streets, newer heat pumps in recent construction, ductless mini-splits in additions and converted garages, and rooftop units on commercial buildings. Our team handles all of it. We have years of field experience, and we've learned how the local climate, the housing stock, and code requirements affect the way a system performs over time.

A normal week for our residential team includes capacitor and contactor replacements, flame sensor cleanings, refrigerant leak searches, blower motor swaps, and at least one full system replacement or ductless addition. When we do replace equipment, we size it with a room-by-room load calculation rather than matching the old unit. A correctly sized system holds even temperatures, runs efficiently, and avoids the short-cycling that wears out compressors early. Beyond repairs and replacements, we recommend seasonal tune-ups that clean coils, confirm the refrigerant charge, test the safety switches, and measure static pressure, the most effective thing you can do for longer equipment life.

Commercial work is a big part of what we do too. We service rooftop units, split systems, and ventilation equipment for restaurant kitchens, shops, offices, and multi-unit buildings, and we know that a day without cooling hurts the business. To keep that downtime short, we carry common parts on every truck, diagnose fast, and schedule repairs around your operating hours whenever possible.

When Your System Fails in Green Bay

If your system quits, how quickly help shows up matters more than anything else. For that reason, we keep scheduling flexible across the area and answer every call with a live person. Urgent calls typically see a technician within a day, and we treat a failed furnace in a cold snap or a dead AC in the heat ahead of routine work.

Here's what we see most often when something breaks at home: an air conditioner blowing warm air, a condenser that hums but won't start, a furnace that ignites and shuts off, a breaker that keeps tripping, an evaporator coil that has iced over, a condensate drain overflowing into the furnace cabinet, or a thermostat that has quit. Nearly all of these trace back to a part we already carry: capacitors, contactors, igniters, flame sensors, universal control boards, and standard fittings. You get the price before any work starts, with no surprises on the invoice.

Two common situations call for a quick step from you before a technician arrives. The first is an iced-over air conditioner: switch the system off at the thermostat and set the fan to "on" so the moving air thaws the coil, because continuing to run it can flood the drain pan and damage the compressor. The second is a furnace that keeps cycling on and off or produces a burning smell. Turn it off at the service switch and give us a call. That small step can prevent a far bigger repair.

How Green Bay Homeowners Can Extend HVAC Life

A little routine care is the difference between a system that runs for years and one that breaks down in the middle of a heat wave. Our advice for homeowners is a short list: a new filter every one to three months, at least two feet of open space around the outdoor condenser, a spring rinse of the condenser coil, and two professional tune-ups a year, so small issues get caught early.

How old is your system? That number tells you a lot. Most well-maintained air conditioners make it to 12 to 15 years, furnaces 15 to 20, and heat pumps 10 to 15. If your system is past that point and is also showing rising bills, rooms that never quite reach temperature, or frequent repairs, it's usually due for a planned replacement, and that's almost always cheaper and easier on everyone than an emergency replacement in peak season.

If comfort problems do show up, acting quickly keeps them small. A weak capacitor is a quick fix. The same capacitor ignored for a season can take the compressor with it and turn a minor repair into a full system replacement. It's smart to keep our number saved on your phone so you can reach us at the first sign of trouble. Early intervention saves time, money, and miserable nights.

Typical Heating & Cooling Issues in Green Bay

Most local HVAC failures announce themselves before they happen. A breaker that trips every few days, a condenser that hums louder each month, rooms drifting further from the thermostat setting, a musty smell at startup. Those are early signs of failing capacitors, refrigerant leaks, dirty coils, and duct problems, and caught early they're a quick visit. Ignored, they take out compressors and heat exchangers, the two most expensive parts in the system. We find the root cause instead of treating symptoms, so small problems stay small.

Trusted Local Service

Living and working here gives us firsthand knowledge of what local homes need to stay comfortable. No matter the brand or system type, our team brings the right tools and proven methods to get your home comfortable again.

Need Heating or Cooling Service Fast?

Reach us now and get an HVAC technician headed to your property today.

Get Help: (920) 516-9221

Heating & Cooling Services We Provide

We offer comprehensive heating and cooling solutions for area homes and businesses, including:

Want a Price Quote?

Get a no-obligation quote from our local heating and air team.

Get Help: (920) 516-9221

The Reason Green Bay Keeps Calling Us

Madison HVAC treats this community like home turf, because it is. We show up when we say we will, we diagnose before we quote, and we put real numbers on both repair and replacement so you can decide with facts instead of pressure. Our technicians are experienced across every major brand, our trucks carry the parts that actually fail, and our work is tested before we leave. That's why neighbors here pass our number around.

Homeowners reviewing repair options at the kitchen table in Green Bay

Common Heating & Cooling Questions

Yes. Our seasonal tune-ups clean coils and burners, verify refrigerant charge and combustion, test capacitors and safety controls, and check airflow through the whole system, with cooling in spring and heating in fall. It's the most reliable way to extend equipment life and avoid a breakdown in the middle of a summer heat wave or winter cold snap, and it often pays for itself in energy savings over time.
Yes, and they're often the smartest answer for additions, garages, sunrooms, and older homes that were never ducted. Every zone is sized to the room it serves. We plan where the indoor and outdoor units go and install the line set, condensate drain, and electrical connections properly. And we'll be upfront if a ducted system makes more sense for your home.
The brand name on the cabinet rarely matters. Our team work on Carrier, Trane, Lennox, Rheem, Goodman, York, and the other major names you'll find around here. On the ductless side, we see a lot of Mitsubishi, Fujitsu, and LG. Most fixes use universal parts we already carry, and brand-specific components are quick to source when needed.
We do, and we'll help you decide which makes sense. We fix AC systems, furnaces, heat pumps, and mini-splits regardless of brand. If replacement is the better call, we handle the whole job: old equipment removal, a properly sized new system, a clean installation, and a full test of every mode. You'll have a clear quote for each option before making a decision.
Most repairs land between $150 and $650 depending on the part and system type, while full system replacements usually run from around $5,000 to $12,000 installed, depending on size and efficiency. Every job starts with a diagnostic and a written, upfront quote. The price you approve is the price you pay, with no surprises added later.
Two things decide it: the system's age and which part failed. Equipment younger than about 10 years is almost always worth repairing. Beyond about 15 years, or if the compressor or heat exchanger goes, replacement usually makes more financial sense, especially once you factor in the efficiency improvements of modern equipment. Our technicians lay out both numbers side by side and let you choose.
In most cases, the same day. No-heat and no-cooling calls jump ahead of routine maintenance, and we'll tell you an honest arrival window as soon as you call (920) 516-9221. Once our technician arrives, capacitors, contactors, igniters, and motors are already on board, so most problems are fixed during that first visit.
Check the thermostat setting and batteries, the filter, and the breakers for both the indoor and outdoor units. If the outdoor unit hums but won't start, or ice has formed on the refrigerant lines, shut the system off so the compressor isn't damaged and call us at (920) 516-9221. We'll get a technician headed your way as quickly as possible.

Also Serving Nearby Communities

Beyond this community, we cover the surrounding towns with the same fast service.

HVAC Service You Can Count On

Help is just a phone call away. Fast response, fair pricing, and thorough workmanship.

Call (920) 516-9221 Now
AC Down? Call NowHeating & Cooling Experts