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Avatar for Apex Aire
Apex Aire
5.0(
6
)
Gas Furnace / Forced Air Heating System - InstallCentral A/C - InstallCentral A/C - Service or Repair+26 more

Serving Madison, SD and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade, and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

New AC and Coil install
New AC and Coil install
1 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Triple H Electric LLC
Triple H Electric LLC
5.0(
11
)
Thermostat - Install or Replace

Serving Madison, SD and surrounding areas

Approved

In business since 2025

Emergency services offered

Warranties offered

"We needed a few items taken care of: new outlets, replace an outdoor light with an outdoor outlet and install a bathroom exhaust fan. All done correctly and very quick. Some supplies we had purchased ahead of time were not up to code, he was able to get the correct items and install them correctly. It's a relief to know the project was completed properly and up to code. We are looking forward to having Triple H back in the spring for some outdoor receptacles and wiring for deck lighting and a pool! Thank you, Chris! :)"
Service up grade
Service up grade
Service up grade
Service up grade
Service up grade

+8

Response time5 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for Rose Electric Heating and Cooling
Rose Electric Heating and Cooling
New to Angi
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+6 more

Serving Madison, SD and surrounding areas

Approved

In business since 1996

Free estimates

Offers commercial services

We offer over 30 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We're committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction. \n

Response time20 mins
1 neighbors recently requested a quote
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+47 more

Serving Madison, SD and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"Mr. Ferrell first connected his computer to my computer via internet and worked for quite a few hours trying to determine what exactly was wrong. The next day he continued working from his computer for several hours. He determined he would have to have my desktop tower to complete the repair. He and my son met in Huntsville to exchange the tower. He then cleaned up a lot of what was wrong and reloaded Windows 10. He deleted the D: drive which had way too much memory allotted to it. The tower was returned and I plugged it all back together and it is working better than it did when I first purchased it. I would use him again and I recommend him highly to anyone needing computer updating and/or repair. His work is warrantied and he is very personable, knowledgeable, and helpful."
2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
Avatar for Apex Aire
Apex Aire
5.0(
6
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+20 more

Serving Madison, SD and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"My furnace went out the day before Thanksgiving. I m sashed Apex on Thanksgiving and heard back within the hour. Trey came out the next morning and by that evening, I had a brand new furnace put in. The service was professional, cordial, and refreshingly courteous. I cannot say enough about this young man. Thank you so much, Trey. I highly recommend this exceptional company."
Response time11 hrs
Response rate93%
Recommended by50%of homeowners
Avatar for Merit Heating and Air Conditioning
Merit Heating and Air Conditioning
4.4(
8
)
Electric Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - Install+6 more

Serving Madison, SD and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"Merit HVAC was a life saver! They were available for our needs and was on top of communication and updates with us. I appreciated the details and transparency. It was nice to be given knowledge of identified new issues and never felt pressured on anything. Appreciated the expert opinions. I felt like Merit had our best interest in mind. I felt assured and trusted their work. They listened to our needs and met them beyond expectations. We plan to be repeat customers!"
Response time4 hrs
Recommended by100%of homeowners
Showing 1-10 of 36
Heating and Air Conditioning questions, answered by experts

They can, but it’s not as common. Window AC units are much smaller than whole-house systems and less likely to develop refrigerant leaks or similar issues. As a result, you will rarely need to add a new refrigerant, limiting overcharging problems. However, it’s still important to leave refrigerant management in the hands of professionals when window units need work.

Absolutely! You can seriously improve the overall value of your home by maintaining high-quality, compatible systems for heating and cooling. Potential buyers will love not having to worry about getting a new HVAC unit for 15 to 20 years and will pay more for it. For maximum efficiency and cost savings, replacing the furnace and air conditioner at the same time, when possible, gives you (and potential future buyers) reliable comfort and modern convenience.

While it is possible to add Freon to your AC unit yourself, it is not recommended. In fact, the U.S. Environmental Protection Agency (EPA) prohibits the handling of Freon without a license. Freon is a dangerous gas that can cause irreversible damage to your AC or yourself if not installed correctly. It is worthwhile to hire a professional to add Freon to your AC.

A frosty expansion valve that isn't blowing out cool air is a sure sign that it’s time to replace it. It might also be time to replace the TXV valve if your AC unit switches off soon after turning on or if you have poor airflow in your home.

The length of an AC cycle depends on the settings in your thermostat and the unit you have. Central AC doesn't constantly run at full blast the way that a window unit does. A cooling cycle in most homes is 15 to 20 minutes. Then, the unit stays off for seven to 10 minutes to circulate the cold air in the house before the cycle repeats. It should repeat two or three times per hour. A short cycle lasts less than 10 minutes and then turns off.

The Madison, SD 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.