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Q: Do window AC units use a lot of electricity?

• <div><p>Window AC units use a fair amount of electricity, but significantly less than central AC systems. Because they are more energy-efficient for cooling individual rooms or small spaces, their usage is comparatively low. On average, a window AC unit consumes between 500 and 1,400 watts, while a central AC system uses over 3,500 watts&mdash;meaning a window unit uses about one-third of the energy. This typically translates to a monthly running cost of $15 to $40, although this can vary depending on external factors.</p></div>

Q: Will low refrigerant cause a coil to freeze?

• <div><p>If refrigerant levels are low, it can cause the evaporator coil to freeze up. Low freon causes a drop in pressure, which will make the coil too cold and cause moisture to freeze on the coil. Your system may be <a href="https://www.angi.com/articles/does-freon-leak-mean-i-must-get-new-home-ac-unit-cant-i-just-get-leak-fixed.htm">low on refrigerant because of a leak</a>. </p><p>Make sure to have maintenance performed twice a year, and contact your local HVAC technician if you suspect your system has low freon levels. </p></div>

Q: How long do AC evaporator coils last?

• <div><p>Evaporator coils in an HVAC system typically last between 10 and 15 years, which is roughly the same lifespan as the entire AC unit. The longevity of the coils can be affected by usage frequency, environmental conditions, and how well they are maintained. Regular maintenance, such as cleaning and inspections, can extend their durability. If the evaporator coil fails in an older air conditioner, it may be more cost-effective to replace the whole unit rather than just the coil.</p></div>

Q: Is unfreezing your AC a DIY project?

• <div><p>Unfreezing an AC unit is not a DIY project unless the problem is a dirty air filter. Changing out an air filter is easy for homeowners, but otherwise, trying to repair ductwork, refill refrigerant, or replace a blower fan motor are tasks best left to the pros. Otherwise, you could cause further damage to your cooling system or even harm to yourself. </p></div>

Q: Is the AC motor covered under warranty?

• <div><p>It depends on the specifics of your warranty. The motor is likely not covered if you&rsquo;re working with a limited warranty. The same goes for other components like the compressor and evaporator coil. Some extended warranties will cover the blower and fan motor, so read the fine print before signing up. Additionally, the manufacturer may offer a warranty for the parts, including the motor, though there&rsquo;s likely to be a strict time limit for this coverage. </p></div>

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Verified Reviews for Heating And Air Conditioning Service pros in Sheldon, IL

*The Angi rating for Heating And Air Conditioning Service companies in Sheldon, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Sheldon, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on January 06, 2025

Reviewed in January 2025
Our experience with Mad City was everything and more than we expected. They were very polite and considerate and did excellent work
Mad City Windows & Baths
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Reviewed in October 2024
100% recommend. Erik did a phenomenal job, he is ver professional and super efficient. He very affordable and supplies the best materials. He truly gets the job done!
Millennium Home Improvement
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Reviewed in May 2024
They have an excellent work ethic, they finished the job and made the stressing process of remodeling easier. They are transparent with their prices and they get the job done. I would recommend their service.
Amanes Construction
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Reviewed in May 2023
very neat,polite,and good workers.So happy I found them and hired them pleased as punch!
CertaPro Painters of Homewood and Kankakee County
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Reviewed in February 2023
Great service very polite and helpful
Lake County Environmental Services, LLC
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Reviewed in June 2022
This project was top notch. Showed up on time and finished in a day. Our installer was polite. Professional and did a great job. This was for our 86 Mother and she is so happy with this project. Customer Service was also helpful and walked us through the process in a professional manner.
Bath Planet of Buffalo
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Reviewed in June 2022
Our installer was professional and did a great job.
Bath Planet of Peoria
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Reviewed in March 2022
The staff that came out were excellent! Very professional and they loved my dog . They did the work emailed me the photos before and after and explained the bill. Everyone was wonderful.
Superior Chimney Services, Corp.
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Reviewed in February 2022
It was a very good service, good price and excellent attention, I recommend them.
Abraham Landscpaing and Tree Service
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Reviewed in January 2022
Will R and Logan S were great. Very pleasant and very hardworking
West Shore Home Atlanta
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Find Heating and air conditioning pros in Sheldon

Pittman heating and cooling llc

5.0(

)

Serving Sheldon, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Great guy, years of experience. It was cheap buy great quality work done in a timely manner"

6 neighbors recently requested a quote

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Baer's Air Heating and Cooling

5.0(

)

Serving Sheldon, IL and surrounding areas

Approved

In business since 2009

Free estimates

Customers say: Quick response

"They were very efficient and affordable. They completed everything they said they would on time."

Response time7 hrs

Recommended by100%of homeowners

Serving Sheldon, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Assessed all outlets and changed those that were improperly installed and could damage things plugged into them, and grounded the outlets that were not grounded. 19 recepticles in all. Price was good and arrived on time, and clean."

121 neighbors recently requested a quote

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Lockhart Electric, LLC

5.0(

)

Serving Sheldon, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1986

Free estimates

Small jobs welcome

"Lockhart Electric has done several projects for me. Everything from replacing switches and fixtures to upgrading my breaker panel. They are always so helpful and knowledgeable. The prices are always fair, and they always give me options to help me make the best decisions depending on my need and my budget. I trust them with my home and I wouldn't call anyone else."

Response time1 day

13 neighbors recently requested a quote

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MF Electric LLC

New to Angi

Serving Sheldon, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Mf Electric LLC delivers reliable, high-quality electrical work with a focus on safety and precision. We pride ourselves on honest communication, fair pricing, and getting the job done right the first time.

1 neighbors recently requested a quote

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Arafat Electrical

New to Angi

Serving Sheldon, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

This is Moe doing excellent electrical services, a family business that ran for couple of decades now. Please reach out to be a part of our customer family, and enjoy the best products and services, and the greatest process

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Sears Heating and Cooling - Chicago South

3.8(

)

Serving Sheldon, IL and surrounding areas

In business since 1893

Free estimates

Warranties offered

"the salesmen were knowledgable and the installers were neat, speedy, and equally knowledgable ..."

Recommended by82%of homeowners

Serving Sheldon, IL and surrounding areas

In business since 1997

Free estimates

Emergency services offered

"The process was smooth and professional."

Response time1 day

Recommended by100%of homeowners

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Rardin Plumbing Heating & A/C

4.6(

)

Serving Sheldon, IL and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"Rardins has merged with Mattex Plumbing, but Oscar Rardin is still with them. Very professional, both over the phone and kept me updated through texts on the phone. Showed up as promised and was done within 3 hours. Only real difference was in how prices have inflated since 2014 (last time pump was replaced) $1400 vs $500 The pump accounted for over $1200 of that total. Oscar did a excellent job!"

Recommended by100%of homeowners

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North Alabama Technical Services

4.9(

124

)

Serving Sheldon, IL 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."

Recommended by97%of homeowners

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Showing 1-10 of 38

Heating and Air Conditioning questions, answered by experts

Window AC units use a fair amount of electricity, but significantly less than central AC systems. Because they are more energy-efficient for cooling individual rooms or small spaces, their usage is comparatively low. On average, a window AC unit consumes between 500 and 1,400 watts, while a central AC system uses over 3,500 watts—meaning a window unit uses about one-third of the energy. This typically translates to a monthly running cost of $15 to $40, although this can vary depending on external factors.

If refrigerant levels are low, it can cause the evaporator coil to freeze up. Low freon causes a drop in pressure, which will make the coil too cold and cause moisture to freeze on the coil. Your system may be low on refrigerant because of a leak.

Make sure to have maintenance performed twice a year, and contact your local HVAC technician if you suspect your system has low freon levels.

Evaporator coils in an HVAC system typically last between 10 and 15 years, which is roughly the same lifespan as the entire AC unit. The longevity of the coils can be affected by usage frequency, environmental conditions, and how well they are maintained. Regular maintenance, such as cleaning and inspections, can extend their durability. If the evaporator coil fails in an older air conditioner, it may be more cost-effective to replace the whole unit rather than just the coil.

Unfreezing an AC unit is not a DIY project unless the problem is a dirty air filter. Changing out an air filter is easy for homeowners, but otherwise, trying to repair ductwork, refill refrigerant, or replace a blower fan motor are tasks best left to the pros. Otherwise, you could cause further damage to your cooling system or even harm to yourself.

It depends on the specifics of your warranty. The motor is likely not covered if you’re working with a limited warranty. The same goes for other components like the compressor and evaporator coil. Some extended warranties will cover the blower and fan motor, so read the fine print before signing up. Additionally, the manufacturer may offer a warranty for the parts, including the motor, though there’s likely to be a strict time limit for this coverage.

The Sheldon, IL 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.

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