(920) 516-9404
HVAC in Madison, WI: row of townhomes with outdoor AC condensers along the side

HVAC in Madison, WI

Trusted Heating & Cooling Service in Madison, WI

Professional AC repair, heating installation, and full HVAC service for local homes, businesses, and the surrounding neighborhoods.

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Our technicians providing HVAC in Madison, WI

Experienced HVAC Pros You Can Count On

Serving this community and the surrounding area, Janesville HVAC delivers reliable HVAC repair and installation with fast response times and lasting results that local homeowners depend on.

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Madison HVAC Repair, Installation & Maintenance

When you need a trusted heating and cooling company in Madison, Janesville HVAC is the team to call. We've been keeping local homes and businesses comfortable year after year, earning repeat business one job at a time. Our technicians are local, not dispatched from across the state, which means shorter waits 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 furnace that won't light to complete system replacements, ductless mini-split installations, and seasonal maintenance programs, our team takes on every type 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 tripping the breaker, 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.

Homeowner listening as a technician explains an outdoor AC unit problem in Madison
You get a plain explanation of what failed and what it costs before any work starts.

Full-Service HVAC Care for Madison Homes and Businesses

Heating and cooling around here covers a lot of ground: aging furnaces in established neighborhoods, newer 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've learned how the weather here, the age of local homes, and code requirements affect the way a system performs and fails.

On the residential side, we take care of everything from quick fixes, like a weak capacitor, a pitted contactor, a dirty flame sensor, or a seized blower motor, to refrigerant leak repair, full system change-outs, and ductless additions. We size every new system with a proper load calculation rather than guesswork, so you get even temperatures and reasonable utility bills instead of a unit that short-cycles itself to an early death. Our seasonal tune-ups clean coils, verify refrigerant charge, test safety controls, and check static pressure, the single best way to extend equipment life.

Local businesses get the same attention. An overheated storefront or a drafty office costs real money, so our commercial crews focus on fast diagnosis 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.

Fast HVAC Response in Madison

Call us about a problem and a real person picks up, not a recording. The majority of calls get scheduled within a day, and true emergencies, an AC that quits in a heat wave or a furnace that fails on a bitter night, go straight to the front of the line. We keep the process simple so you're not stuck waiting for a callback.

The urgent calls we run tend to follow a pattern. On the cooling side, it's an AC blowing warm air, an outdoor unit that hums without starting, or an evaporator coil iced over. On the heating side, it's a furnace that ignites and drops out. Year-round, it's breakers that trip whenever the system starts, clogged condensate drains overflowing into the furnace cabinet, and thermostats that have quit. Because our trucks are stocked with capacitors, contactors, igniters, flame sensors, universal control boards, and fittings, most of these get fixed on the first trip, with the price agreed before any work begins.

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 prevent a much larger repair.

Keeping Your Madison HVAC System Running Longer

The best way to avoid a mid-season breakdown is routine maintenance. We recommend that homeowners replace filters every one to three months, keep vegetation trimmed two feet back from the outdoor condenser, rinse the condenser coil each spring, and have 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 last 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 starting to struggle, such as climbing utility bills, rooms that never feel comfortable, or repairs stacking up season after season, a planned replacement is almost always cheaper and far less stressful than an emergency one during the first heat wave of summer.

The earlier you report a comfort problem, the cheaper it usually is. A weak capacitor costs little to replace, yet the same part, neglected for a season, can take out the compressor and force a full system replacement. Save our number on your phone today so help is one call away as soon as something sounds or feels wrong in your home. Early intervention saves time, money, and sleepless nights.

Typical Heating & Cooling Issues in Madison

Most local HVAC failures give warning signs 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. These are the early symptoms of failing capacitors, refrigerant leaks, dirty coils, and duct problems, and caught early they're an affordable repair. Left alone, 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.

Trusted Local Service

We know this area inside and out, including the climate patterns and housing stock that affect local comfort systems. From capacitors that quit in a heat wave to igniters that fail on the first cold night, our technicians know what to look for and how to fix it.

Facing a Comfort Emergency?

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What We Offer

We provide a full range of residential and commercial HVAC services to residents across the community, including:

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Why Madison Homeowners Trust Us

Plenty of companies will happily sell you a new system. Janesville HVAC earns trust around here by fixing the ones that don't need replacing and being straight about the ones that do. We find the actual fault before we quote a dollar, explain your options in plain terms with real numbers, and leave the decision to you. When replacement is the right call, we size the new system with a proper load calculation based on your home's real heating and cooling load, square footage, insulation, windows, and duct capacity, instead of defaulting to whatever's in the warehouse.

The workmanship holds up because we sweat the details: correct refrigerant charge weighed in rather than guessed, sealed duct connections, proper condensate drainage, verified combustion and airflow on heating equipment, and clean electrical work that passes inspection the first time. We arrive when we said we would, protect your floors, haul away the old equipment, and test the full system in every mode before we leave. It's why so much of our local work comes from repeat customers and referrals, and why we back every job with a satisfaction guarantee.

Technician showing a homeowner a clogged filter next to a new one in Madison, WI

Common Heating & Cooling Questions

It depends on the job. Repairs usually come in between $150 and $650, based on the part that failed and the type of system. A full replacement generally costs about $5,000 to $12,000 installed, with size and efficiency making the difference. Before we begin, you'll get a written quote based on the diagnostic, and that number doesn't change.
First, rule out the easy stuff. Make sure the thermostat is in cooling mode with good batteries, replace the filter if it's dirty, and look at the breakers for the indoor and outdoor units. Ice on the copper lines or an outdoor unit that hums but never starts means it's time to shut the system off, since continuing to run it risks damaging the compressor. Call us at (920) 516-9404 and we'll get someone moving your way without delay.
The brand rarely matters to us. Our team regularly service Carrier, Trane, Lennox, Rheem, Goodman, York, and the other major names you'll find around here. For ductless systems, we service plenty of Mitsubishi, Fujitsu, and LG. Most repairs use universal parts we already carry, and brand-specific components can be sourced quickly when needed.
In many cases, yes. Ductless systems work especially well in room additions, converted garages, sunrooms, and older homes that never had ducts. Our approach begins with sizing each zone to the actual room, then thoughtful placement of the indoor and outdoor units and a proper install of the line set, condensate drainage, and electrical service. If central air is the better fit for your layout, we'll let you know.
Both. Most calls start as a repair, and our technicians work on air conditioners, furnaces, heat pumps, and ductless mini-splits from all the major manufacturers. When a system can't be saved, we manage the full replacement, from the load calculation and removing the old unit to installation and testing in every mode. Whichever way it goes, you'll see a written quote for each option before anything happens.
It depends on two things: how old the system is and what actually broke. Equipment younger than about 10 years is usually worth repairing. Once it's past 15 years, or if the compressor or heat exchanger goes, replacement usually makes more financial sense, especially once you factor in the efficiency gains of new equipment. Our technicians lay out both numbers side by side and let you choose.
Fast. We serve the whole area with same-day appointments for most calls, and no-heat and no-cooling emergencies go to the front of the line. Our trucks are stocked with the most common parts, including capacitors, contactors, igniters, and motors, so most repairs are diagnosed and finished in a single visit. Call (920) 516-9404 and we'll give you an honest arrival window.
Yes, and for most homeowners it's the best thing you can do for your equipment. Each spring and fall, a technician cleans the coils and burners, checks the refrigerant charge and combustion, tests capacitors and safety controls, and measures airflow from supply to return. Catching problems at a tune-up costs far less than a breakdown in the peak of summer, and lower energy bills often cover the cost of the visit.

Also Serving Nearby Communities

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

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