Professional HVAC Service in Green Bay
When you need a reliable heating and cooling company in Green Bay, Janesville HVAC is the name to call. We've been keeping local homes and businesses comfortable through every season, building our reputation one satisfied customer at a time. Our experienced technicians live and work in the area, which means faster response times and a real understanding of the climate patterns, housing stock, and ductwork quirks that shape how HVAC systems here perform and fail.
From a single no-cool emergency to complete system replacements, ductless mini-split installations, and seasonal maintenance programs, our team handles every kind of residential and commercial heating and cooling need. We offer prompt service and give you upfront pricing before any work begins, no hidden fees, ever. Our trucks are stocked with the parts that fail most, capacitors, contactors, igniters, flame sensors, blower motors, and thermostats, so most repairs are finished in a single visit.
Whether your air conditioner is running nonstop without cooling, your furnace is short-cycling, or you're simply planning ahead for a system past its prime, one call to (920) 516-9404 gets an experienced local technician headed your way with everything needed to restore your comfort quickly.
Complete Heating & Cooling Services for Green Bay Properties
Heating and cooling around here means a wide mix of equipment: aging furnaces on the older streets, high-efficiency heat pumps in recent construction, ductless mini-splits in additions and converted garages, and packaged units on commercial buildings. Our team works on every one of those systems. Our technicians have years in the field, and we know how the weather here, the housing stock, and code requirements affect the way equipment runs and fails.
A typical week for our residential technicians might include capacitor and contactor replacements, flame sensor cleanings, refrigerant leak repairs, blower motor swaps, plus the occasional full system replacement or ductless install. When we do replace equipment, we size it with a room-by-room load calculation instead of guessing. Right-sized equipment keeps rooms even, keeps utility bills reasonable, and avoids the short-cycling that kills compressors early. Beyond repairs and replacements, we offer seasonal tune-ups that clean coils, confirm the refrigerant charge, test safety controls, and measure static pressure, the most effective thing you can do for longer equipment life.
Local businesses receive the same attention. An overheated storefront or a drafty office drives customers and staff away, so our commercial crews focus on getting to the cause quickly and keep common parts on board for rooftop units, split systems, and ventilation equipment. Restaurants, retail shops, offices, and multi-unit buildings can ask us to work around their business hours whenever possible.
When Your System Fails in Green Bay
Call us about a problem and a real person answers, not a phone tree. Most calls are scheduled within a day, and urgent calls, a dead air conditioner during a heat wave or a furnace that goes out on a bitter night, go straight to the front of the line. Scheduling stays flexible so you're not left waiting for a callback.
Common emergencies we handle include air conditioners blowing warm air, outdoor units that hum but won't start, furnaces that ignite and then shut down, breakers that trip whenever the system starts, frozen evaporator coils, clogged condensate drains backing up into the furnace cabinet, and thermostats that have simply given up. Our trucks carry the capacitors, contactors, igniters, flame sensors, universal control boards, and fittings needed to finish most repairs in a single visit. We provide upfront pricing every time, so you know exactly what the work will cost before we begin.
If your AC has iced over, the most helpful thing you can do before we arrive is switch the system off at the thermostat and set the fan to "on" so the coil can thaw. Running it frozen can flood the drain pan and strain the compressor. If a furnace is short-cycling or you smell something burning, turn it off at the service switch and call (920) 516-9404. A few minutes of caution can head off a much larger repair.
Getting More Years From Your HVAC System in Green Bay
The best way to avoid a mid-season breakdown is routine maintenance. We recommend that homeowners replace filters every one to three months, keep shrubs and grass trimmed two feet back from the outdoor condenser, rinse the condenser coil each spring, and schedule a professional tune-up twice a year, cooling in spring and heating in fall, so small problems get caught while they're still cheap.
Age matters too. Most central air conditioners run 12 to 15 years, furnaces 15 to 20, and heat pumps 10 to 15 with regular service. If your system is past that window and showing symptoms, such as climbing utility bills, rooms that never quite reach temperature, or repairs stacking up season after season, a planned replacement is nearly always less expensive and far less stressful than an emergency one in the middle of a cold snap.
Minor issues rarely stay small for long. Consider a weak capacitor: replacing it is a short, inexpensive repair, but if it's ignored for a season, it can take the compressor with it, and just like that a minor fix has become a full system replacement. That's why we encourage homeowners to keep our number in their phone and call at the first sign of trouble. Catching it early saves time and money and prevents a miserable night.
Common HVAC Problems in Green Bay
Most local HVAC failures announce themselves before they happen. A breaker that trips more than once, a condenser that hums louder each month, rooms drifting further from the thermostat setting, energy bills creeping up with nothing else changed. Those are early signs of failing capacitors, refrigerant leaks, dirty coils, and duct problems, and caught early they're an affordable repair. Ignored, they take out compressors and heat exchangers, the two most expensive parts in the system. We diagnose the cause, not just the symptom, so small problems stay small.
Your Go-To Heating & Air Team
As a locally-operated HVAC company, we understand the unique challenges homeowners here face. From iced-over coils to furnaces flashing error codes, our technicians are equipped to handle it all.
HVAC Trouble at Home?
Don't wait for a struggling system to quit completely. We respond quickly across the area and nearby neighborhoods.
Call (920) 516-9404 TodayHeating & Cooling Services We Provide
From single-family homes to commercial properties, our team covers every comfort need in the area, including:
Let Us Handle Your HVAC System
Pick up the phone and let our specialists take care of the problem for good.
Get Help: (920) 516-9404The Reason Green Bay Keeps Calling Us
Choosing an HVAC company comes down to trust, and trust is earned on the job. Janesville HVAC earns it by recommending the $150 repair when that's what the system needs, by sizing replacements with real load calculations instead of guesswork, and by standing behind every repair long after the visit ends. Same-day service is available for most calls, and every visit ends with the system tested and your questions answered.
HVAC FAQ for Local Residents
Also Serving Nearby Communities
Our technicians work throughout the surrounding region. See the other areas we serve.