AC Repair in Watertown, WI
Providing Reliable Air Conditioning Repair Across Waukesha, Sun Prairie, Lake Mills, Oconomowoc & Nearby Communities
When summer heat and humidity rise in Wisconsin, a working air conditioner isn’t optional—it’s essential. If your AC system isn’t cooling properly, short-cycling, leaking, or behaving unpredictably, comfort, efficiency, and indoor air quality can all suffer quickly.
Carew Heating & AC provides fast, professional AC repair services for homeowners and businesses throughout Watertown and surrounding areas. Since 1996, our technicians have diagnosed and repaired virtually every type of cooling issue across central air conditioners, heat pumps, and ductless mini-split systems. Our goal is simple: restore reliable cooling with repairs that last.
At the first sign of AC trouble, contact Carew Heating & AC for expert service and clear answers.
Instead of suffering through the heat, call (920) 626-3962 or reach out online for air conditioner repair in Watertown. Financing and payment plans are available. Plus, we answer calls 24/7 and have same-day availability.
When Do I Need Professional AC Repair?
Air conditioning problems rarely appear without warning. Recognizing early symptoms can help you avoid complete system failure and higher repair costs.
Common indicators that it’s time to call a professional include:
- Warm or room-temperature air coming from vents
- Weak or inconsistent airflow
- Grinding, squealing, rattling, or banging noises
- Musty, burning, or chemical odors
- Frequent cycling or system short-cycling
- Excess indoor humidity
- Ice buildup on coils or refrigerant lines
- Sudden increases in cooling costs
- Thermostat not responding or reading inaccurately
- Water pooling near the indoor unit
- Uneven cooling between rooms
If you notice one or more of these issues, prompt diagnosis can prevent further damage.
What Causes Air Conditioners to Stop Working?
Even newer systems can experience breakdowns. Air conditioners rely on many electrical, mechanical, and refrigerant-based components—failure in just one area can disrupt the entire system.
Some of the most common AC repair issues we encounter include:
- Electrical component failures
- Refrigerant leaks or improper refrigerant charge
- Frozen evaporator coils
- Damaged condenser or fan components
- Compressor problems
- Thermostat communication or calibration issues
- Skipped or irregular maintenance
- Corrosion or age-related wear
Attempting DIY troubleshooting or part replacement can lead to unnecessary expenses—or even safety risks. Instead, our technicians use professional diagnostic tools to identify the root cause accurately and apply the correct repair the first time.
Hear From Our Happy Customers
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“Great company. The technicians are courteous and efficient. Matt did a great job and explained everything to me.”Kenneth K.
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“Matt did a great job with my air conditioning cleaning. I recommend signing up for their comfort plan helps keep everything running well and service is on time. Matt does great with tolerance with my dogs; they always want to help.”Dave C.
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“Matt was very pleasant to work with. He arrived on time and was very professional. He answered all my questions and offered some good advice. Definitely will be using Carew again. Thank you.”Rick E.
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“Alex did a great job explaining what he was doing and did the tune-up/yearly maint. in a timely manner. And was very nice.”Christian S.
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“Carew is the best! Our air went out on the hottest day of the year, and they came right away to help us! I am so grateful for their professionalism, quick service, and great prices!!”Jennifer R.
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“Carew installed a new furnace for me. The installation was quick and efficient. Everything went well, and it's running great.”Michael M.
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“Carew Heating & AC Inc has been very helpful in sorting my heating and AC needs in my home that I recently purchased. Rob, the Technician was very polite, informative, and thorough.”Peter R.
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“We had a fantastic experience with Ben and Alex today! They arrived right on time, were incredibly professional, and clearly knew their stuff. It’s not every day you find a team that brings both expertise and a great sense of humor into your home.”Aaron J.
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“I have been a customer of Carew Heating and Air since we moved to Watertown 5 plus years ago. We are always beyond pleased with our service needs. They are experts. I highly recommend Carew! Thank you!”Lee K.