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TRUSTED BY MOUNT PLEASANT, WI HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon443
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Mount Pleasant - Updated Nov 2026

Avatar for KETTLE MORAINE HEATING & AIR CONDITIONING LLC
KETTLE MORAINE HEATING & AIR CONDITIONING LLC
4.8(
228
)
Central A/C - InstallBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+47 more

Serving Mount Pleasant, WI and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"I've been using Kettle Moraine Heating for my annual furnace and AC tune-ups for a while now, and I couldn't be happier with the service. Khamya Little was professional, thorough, and took the time to make sure everything was running perfectly. It's always a relief knowing my heating and cooling systems are in great hands. The team at Kettle Moraine consistently delivers top-notch service, they're prompt, knowledgeable, and genuinely care about doing the job right. Highly recommend them to any homeowner looking for reliable HVAC maintenance!"
Radiant In floor Heating
Furnace Replacement with Humidifier
Additional Photos
Additional Photos
Additional Photos

+8

Response time2 days
Response rate100%
2 neighbors recently requested a quote
Burant Heating And Air Conditioning
4.5(
15
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or Replace+47 more

Serving Mount Pleasant, WI and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"The install took longer than expected because they are a small company, and were extra busy with other jobs that week. However, when it was all said and done, I am quite pleased with the results. The AC works great in the summer, and my winter heating bills are almost 50% less than they used to be. Would I do it again? Yes. Would I wait this long to do it? No Way! One of the main reasons Bob's company is special is that he does a good portion of the work himself. It's not contracted out to people you don't know. You meet Bob, and he does the work. Bob was also very accommodating about where to place vents, how to route ducts, etc... He also did a good job at educating me on how the system works along the way. Thanks Bob!"
Response time1 day
Response rate100%
5 neighbors recently requested a quote
Avatar for Southport Plumbing, Heating & Cooling
Southport Plumbing, Heating & Cooling
5.0(
14
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallDuctless Mini-split A/C - Install or Replace+7 more

Serving Mount Pleasant, WI and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"Very pleased with our new air conditioner installation. The salesman was very nice and explained everything to my satisfaction. The installers were efficient and knowledgeable as well. They showed up exactly on time and were finished earlier than I expected. Work areas were cleaned up, inside and out. Not even any metal shavings in the grass where the new ducting was cut. One of the nice gentlemen even explained the new thermostat they installed. I highly recommend Southport Home Services."
Air Conditioner
Furnace System
Outdoor Heat Pump
Garage Heat Pump
Furnace Install

+2

18 neighbors recently requested a quote
Avatar for ThermaTek Heating and Air
ThermaTek Heating and Air
4.7(
345
)
Central A/C - Service or RepairGas Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - Repair+1 more

Serving Mount Pleasant, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"Jeremy was outstanding! He replied within five minutes to an Angie post and was at my house an hour later to evaluate my HVAC. We quickly realize that our equipment was end of life and proposed a combination, air conditioner and furnace with a discount. We approved two days ago and he and his team Completed the installation today. Highly recommend Jeremy and Keith for their outstanding service."
Ac install
Ac install
Ac install
Ac install
Ac install

+16

Response time3 hrs
Response rate91%
21 neighbors recently requested a quote
Nova Heating and Cooling
5.0(
8
)
Central A/C - InstallCentral A/C - Service or RepairDucts & Vents - Install or Replace+17 more

Serving Mount Pleasant, WI and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Marty listened to my needs, inspected the existing systems and provided a fair quote. I met the installation team as they took a close look at the project -- they knew their stuff. I wanted to hire Fast Air but my house is not a standard type of house and the brand of furnace I wanted didn't come in the right size for the house. Marty talked this through with me so I understood the situation. That helped me tremendously when I talked with other HVAC contractors. Fast Air is a professional outfit. They absolutely are at the top of my short list."
Response time40 mins
Recommended by83%of homeowners
Avatar for One Hour Heating & Air Conditioning
One Hour Heating & Air Conditioning
4.8(
16
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallCentral A/C - Service or Repair+7 more

Serving Mount Pleasant, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Emergency services offered

"My technician Kyle was very informative and respectful. He explained what was going on and was very professional. Kyle even left me with an electric heater for the evening until they could replace my furnace the next day. Kyle was back early the next morning to start the replacement of my old furnace for the new one and it is working great! I am so happy that I was able to get this done right away."
Company Van
In Progress
HVAC Unit
Humidifier
Response time6 hrs
Response rate99%
85 neighbors recently requested a quote
Avatar for Countryside Heating and Cooling, LLC
Countryside Heating and Cooling, LLC
5.0(
7
)
Gas Furnace / Forced Air Heating System - InstallCentral A/C - InstallCentral A/C - Service or Repair+12 more

Serving Mount Pleasant, WI and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Shane was able to schedule a prompt appointment. He arrived on time and performed a thorough diagnostic on the furnace. He identified an issue I was unaware of and corrected the problem with the air conditioner using parts that were still under warranty. I will gladly use his services again."
Heating the Dream Barn
Heating the Dream Barn
Heating the Dream Barn
2024 Nextdoor Fave Award
2024 Nextdoor Fave Award

+2

Response time1 day
3 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

The best time of year to purchase or replace an HVAC system, including components like an air conditioner or furnace, is during the off-season—spring and fall. During these periods, HVAC professionals are less busy than in summer and winter, when extreme temperatures create urgent demand. Shopping during the off-season can lead to savings of 10% to 15% on an AC unit and allows you more time to find the best deal and other cost-saving incentives. Typically, air conditioning units go on sale in the fall after demand drops, while furnace prices tend to decrease in the spring.

Mold in your air conditioner isn't a good thing, as it can be harmful to your health. If the mold travels through the ductwork or is blown out of the A/C, you and your family can inhale mold spores and develop respiratory illnesses and other problems. Preventing mold from growing in the air conditioner will help protect your health.

Replacing an HVAC system does not always include new ductwork. The decision depends on the condition of your existing ducts. If they are in good shape, correctly sized for the new unit, and meet current standards, they can often be reused. However, if the ducts are damaged, poorly designed, or improperly sized, they will likely need to be replaced or upgraded to ensure the new system operates efficiently. An HVAC contractor will assess your ductwork and recommend the best course of action. Typically, ductwork is purchased separately, and a full replacement will add to the overall project cost.

A non-maintained AC is more likely to perform poorly, increase your energy bills, and undergo more severe issues like breakage and water damage. That’s why DIY cleaning or professional maintenance is recommended annually. Otherwise, you might end up paying more in the end than you would for annual service. You can purchase cheap AC cleaning kits if you prefer going the DIY route.

You should clean your air conditioner at least once per year, but you may need to clean your whole HVAC system (including the air ducts) more often. According to the National Air Duct Cleaners Association, you may need to clean them more frequently depending on factors like whether you smoke, have pets, or have allergies.

The Mount Pleasant, WI homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.