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Sears Heating and Cooling - Milwaukee
4.3(
23
)

Serving Waldo, WI and surrounding areas

In business since 1893

Free estimates

Warranties offered

"The man who came to my house to describe the furnaces and help determine which one I wanted could not have been more wonderful. He was helpful and efficient. We had agreed on a week when the work would be done. The installers called and wanted to come a week earlier. I okayed it, but it wasn't the best day for me. They were nice and efficient. The new furnace appears to be exactly what I wanted. However, the new thermostat control was a different size and shape from the original one and they didn't patch the holes or repaint the edges--not a big deal but when I got a security system a few weeks ago, they did do all that finishing."
Recommended by89%of homeowners
Avatar for Wisconsin Natural Air Duct Cleaning, LLC
Wisconsin Natural Air Duct Cleaning, LLC
4.5(
29
)

Serving Waldo, WI and surrounding areas

In business since 2016

Free estimates

Warranties offered

"Jeff did a great job in cleaning our air duct and drier vents. First, he explains what he’s doing to clean the entire house. He pays attention to every detail in cleaning each vents and returns. Jeff showed us pictures of before and after on areas where there’s so much dirt accumulated over time. Can’t believe our drier vent was filled up with so much lents. Glad we had this work done and we will do it again in 7years as recommended. We highly recommend Wisconsin Natural Air Duct Cleaning. Lastly, you don’t have to break a bank to pay for this company since the price is very reasonable. And that’s a big plus for us! Very happy customer!"
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Clean Vent Picture
Dirty Cold Air Return
Clean Cold Air Return
Dirt Vent Picture

+6

Response time8 hrs
Recommended by88%of homeowners
Avatar for AdvantaClean of Badgerland
AdvantaClean of Badgerland
5.0(
12
)

Serving Waldo, WI and surrounding areas

In business since 2019

Free estimates

Credit card accepted

"Dave and the AdvantaClean team did a fantastic job end to end. They were the most professional, transparent, and reasonable of the companies I spoke with before giving them my business. Dave s inspection was much more thorough then the other companies that bid on this job. He gave me a lot of information up front about the mold in my attic - and assured me that it could be remedied. He also delivered his services on time and on budget. He even cleaned up afterwords so that there was no sign at all that he was here. I was so pleased with his work that I would highly recommend Dave and the AdvantaClean team for any one of their services."
Mold
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+7

Recommended by90%of homeowners
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Air Conditioning questions, answered by experts

Your central A/C unit should be professionally serviced and inspected at least once a year to ensure it operates properly and efficiently. This is best done before the peak cooling season. A full-service inspection by a qualified pro will typically include checking safety components for issues like carbon monoxide leaks, verifying cooling components and coolant levels, and inspecting electrical parts like fuses and wiring. Regular servicing enhances efficiency, mitigates potential problems, and maintains optimal performance. Because AC systems contain hazardous refrigerant, professional handling is essential.

If your central AC is not blowing cold air, you should try resetting the system. Many systems have a reset button. Make sure your thermostat is off, then turn off the circuit breaker that powers your AC. Hold the reset button for three to five seconds, then turn the circuit back on. Set your thermostat to cool and choose a temperature cooler than the room. Your system should turn on quickly.

Signs that your air conditioner capacitor is bad or failing include a range of symptoms. The AC unit may not turn on at all, or it might struggle to start before shutting down randomly or in the middle of a cooling cycle. You might hear a humming or banging noise when it attempts to start, or the compressor might hum without the unit actually running. Other indicators include a smell or smoke coming from the unit, the blower circulating room-temperature air instead of cold air, and an unexpected increase in your energy bills.

A blocked return air vent can cause your HVAC system to work much harder and, therefore, less efficiently. The result is higher utility bills and poorer air quality. A blocked return air vent can also cause unpleasant dust, dander, and odors to linger in your home’s air.

When deciding whether to repair or replace your air conditioner, several factors should be considered. It is generally worth repairing the unit if it's less than 10 years old, the warranty is still active, and you're dealing with a one-off issue. Most central AC units last about 15 years, while window units last 8 to 10 years. If your unit is approaching or has surpassed the 10-year mark and requires frequent or costly repairs (e.g., over $5,000), replacement is often the more sensible long-term investment. For older, inefficient, or out-of-warranty units experiencing multiple problems, replacing it is typically the better choice.

The Waldo, WI homeowners’ guide to air conditioning services

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