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Find Window a/c unit installers in Great Lakes

Avatar for Off-Shift

Off-Shift

1611 Beach Rd
5.00(
6
)
•Approved Pro

Off-Shift

1611 Beach Rd
5.00(
6
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
212 local quotes requested

I’ve been running my own handyman business for about 4 years. I have work in most of the trades in my life. I have experience with roofing, plumbing, general repairs, and assembly of furniture. Estimates are always free.

"Rob did an excellent job putting the cabinet together. He was efficient, quick and friendly! I would definitely recommend him to neighbors and use him again for another project!"

Christopher C on October 2025

I’ve been running my own handyman business for about 4 years. I have work in most of the trades in my life. I have experience with roofing, plumbing, general repairs, and assembly of furniture. Estimates are always free.

"Rob did an excellent job putting the cabinet together. He was efficient, quick and friendly! I would definitely recommend him to neighbors and use him again for another project!"

Christopher C on October 2025

Avatar for Cahill Heating, Cooling, Electric, Plumbing & Sewer

Cahill Heating, Cooling, Electric, Plumbing & Sewer

28983 N HERKY DR
4.74(
31
)
•Approved Pro

Cahill Heating, Cooling, Electric, Plumbing & Sewer

28983 N HERKY DR
4.74(
31
)
•Approved Pro
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
91 local quotes requested

For more than 50 years Cahill has provided customers with quality heating, cooling, electric, plumbing and sewer services.

"I had some backup into the basement, they came to rod it out and told me I needed to check the line going to the street and they could come back for a video check. Well they said they came back and took the video and I needed some expensive work to clear the line. I called to ask them for the video, they said that they'd have someone call me back. They called me back and said that there was no video, their worker didn't put in a USB drive and besides they said I didn't ask for one. What did they expect I was asking for??? I said I expected and wanted a video, how do I know they even really performed the work. They said they would call me back. THEY DIDN'T. I called them back, they again said they'd call me. Again no call. The last time they told me, the owner was on another call but would definitely call me back. One week later NO CALLBACK. I firmly believe they didn't do a video, charged me for one and took me for a sucker. I will NEVER use this company again. I think they are crooks. P.S. Ever since they rodded the drain one of my toilets started have trouble flushing. I won't doubt they messed it up so they could come back again for more money. DO NOT USE. P.P.S. I wonder if they will contact me on this posting, I doubt it."

C Russell B on May 2025

For more than 50 years Cahill has provided customers with quality heating, cooling, electric, plumbing and sewer services.

"I had some backup into the basement, they came to rod it out and told me I needed to check the line going to the street and they could come back for a video check. Well they said they came back and took the video and I needed some expensive work to clear the line. I called to ask them for the video, they said that they'd have someone call me back. They called me back and said that there was no video, their worker didn't put in a USB drive and besides they said I didn't ask for one. What did they expect I was asking for??? I said I expected and wanted a video, how do I know they even really performed the work. They said they would call me back. THEY DIDN'T. I called them back, they again said they'd call me. Again no call. The last time they told me, the owner was on another call but would definitely call me back. One week later NO CALLBACK. I firmly believe they didn't do a video, charged me for one and took me for a sucker. I will NEVER use this company again. I think they are crooks. P.S. Ever since they rodded the drain one of my toilets started have trouble flushing. I won't doubt they messed it up so they could come back again for more money. DO NOT USE. P.P.S. I wonder if they will contact me on this posting, I doubt it."

C Russell B on May 2025

Avatar for G & R Heating & Air

G & R Heating & Air

24 Center Dr
4.50(
96
)
•Approved Pro

G & R Heating & Air

24 Center Dr
4.50(
96
)
•Approved Pro
Customers say: Super punctual
1240 local quotes requested
Free onsite estimate

We are a family owned and operated company, specializing in heating and cooling services, installs, repairs, and more! We personally care for each customer like our own family. We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all of the services we offer below and call -- or-- click to schedule a free estimate today!

"Javier very professionally and cost effectively performed an excellent tune-up on my 5-ton single stage outdoor installation air conditioner."

Gary T on August 2025

We are a family owned and operated company, specializing in heating and cooling services, installs, repairs, and more! We personally care for each customer like our own family. We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all of the services we offer below and call -- or-- click to schedule a free estimate today!

"Javier very professionally and cost effectively performed an excellent tune-up on my 5-ton single stage outdoor installation air conditioner."

Gary T on August 2025

Avatar for STVU Inc

STVU Inc

7458 Inglenook Ln
4.98(
46
)
•Approved Pro

STVU Inc

7458 Inglenook Ln
4.98(
46
)
•Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
427 local quotes requested

24/7 EMERGENCY SERVICE! We offer complete heating and A/C services as well as air ducts, ventilation, humidifiers, UV lamps, electronic air cleaners, and much more. We service/offer all major brands and accept all major credit cards. We offer free quotes on new A.C. or furnace installations. Our company excels in residential, commercial, and industrial properties.

"Great! Fast, friendly, and fair. Nice to work with a local, family owned, company that is customer focused with knowledgeable sales and service professionals. Couldn't be happier!"

Trevor G on June 2021

24/7 EMERGENCY SERVICE! We offer complete heating and A/C services as well as air ducts, ventilation, humidifiers, UV lamps, electronic air cleaners, and much more. We service/offer all major brands and accept all major credit cards. We offer free quotes on new A.C. or furnace installations. Our company excels in residential, commercial, and industrial properties.

"Great! Fast, friendly, and fair. Nice to work with a local, family owned, company that is customer focused with knowledgeable sales and service professionals. Couldn't be happier!"

Trevor G on June 2021

Avatar for Mariscal Landscaping

Mariscal Landscaping

11021 S Avenue O
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

Mariscal Landscaping

11021 S Avenue O
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
558 local quotes requested
15 years of experience

Our landscaping company offers a comprehensive range of professional services, including precision lawn mowing, meticulous lawn cleanup, expertly crafted patios, innovative brick design, proficient tree removal, meticulous gardening, and specialized sod removal or replacement. With a commitment to excellence, we enhance outdoor spaces, combining aesthetic appeal with precision and care.

Our landscaping company offers a comprehensive range of professional services, including precision lawn mowing, meticulous lawn cleanup, expertly crafted patios, innovative brick design, proficient tree removal, meticulous gardening, and specialized sod removal or replacement. With a commitment to excellence, we enhance outdoor spaces, combining aesthetic appeal with precision and care.

Avatar for Four Seasons Heating & Air Conditioning

Four Seasons Heating & Air Conditioning

5701 W 73rd St
4.41(
3,061
)
•Approved Pro

Four Seasons Heating & Air Conditioning

5701 W 73rd St
4.41(
3,061
)
•Approved Pro
Customers say: Super punctual
11166 local quotes requested
54 years of experience

Four Seasons Heating, Air Conditioning, and Plumbing began as a father-son business operating out of a Chicago garage in 1971. They went from home to home repairing furnaces and air conditioners with the goal of offering their customers honest and competent service. No extra charge for 24 hr emergency service. Additional contacts: Chicago 773-413-1505 & 773-413-1028, South suburbs 708-406-3002, Southwest suburbs 815-306-2471, West suburbs 630-210-3352, North & Northwest 847-201-3222 , Northwest Indiana 219-228-8606, and (866) 444-2404. Additional emails - cs@fourseasons-chicago.com, customer.service@fourseasons-chicago.com, fs@fourseasons-chicago.com. Additional fax numbers- 773-284-9484, 847-783-0400. Additional contact names - David Musial. Additional DBAs - Four Seasons Heating, Air Conditioning and Plumbing, Four Seasons Heating & Air Conditioning, Inc., Four Seasons Heating & Air.

"Customer Service was great. Install went well considering issues with the house being older."

K S on July 2025

Four Seasons Heating, Air Conditioning, and Plumbing began as a father-son business operating out of a Chicago garage in 1971. They went from home to home repairing furnaces and air conditioners with the goal of offering their customers honest and competent service. No extra charge for 24 hr emergency service. Additional contacts: Chicago 773-413-1505 & 773-413-1028, South suburbs 708-406-3002, Southwest suburbs 815-306-2471, West suburbs 630-210-3352, North & Northwest 847-201-3222 , Northwest Indiana 219-228-8606, and (866) 444-2404. Additional emails - cs@fourseasons-chicago.com, customer.service@fourseasons-chicago.com, fs@fourseasons-chicago.com. Additional fax numbers- 773-284-9484, 847-783-0400. Additional contact names - David Musial. Additional DBAs - Four Seasons Heating, Air Conditioning and Plumbing, Four Seasons Heating & Air Conditioning, Inc., Four Seasons Heating & Air.

"Customer Service was great. Install went well considering issues with the house being older."

K S on July 2025

Marshfield Home Improvements Inc.

5.00(
1
)

Marshfield Home Improvements Inc.

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We do work Insurance restoration, renovation. We specialize in Kitchens, Bathrooms, Decks, and Basements. Let's discuss how we can help you on your next project.

We do work Insurance restoration, renovation. We specialize in Kitchens, Bathrooms, Decks, and Basements. Let's discuss how we can help you on your next project.

D.W. Nellessen Construction, Inc.

No reviews yet

D.W. Nellessen Construction, Inc.

No reviews yet
15 years of experience

D.W. Nellessen Construction is a family owned and operated carpenter contractor business. All of our employees are professional carpenters that passed a rigorous local and national background check. D.W. Nellessen Construction takes pride in every project to ensure the satisfaction of our clients from start to finish. We sub out work that we do not do, such as electrical, concrete, plumbing, Etc. D.W. Nellessen Construction is an EPA Lead Safe Certified Firm, which means that we are able to test for lead and properly work on structures built before 1978 where lead is present. Remember, on structures built before 1978, have to be tested for lead before any work is done. It is illegal for any person to do work on a structure built prior to 1978 that hasn't been tested for lead and if lead is present it is illegal for any person to work on that structure that is not certified by the EPA. $34,000.00 fine for not complying.

D.W. Nellessen Construction is a family owned and operated carpenter contractor business. All of our employees are professional carpenters that passed a rigorous local and national background check. D.W. Nellessen Construction takes pride in every project to ensure the satisfaction of our clients from start to finish. We sub out work that we do not do, such as electrical, concrete, plumbing, Etc. D.W. Nellessen Construction is an EPA Lead Safe Certified Firm, which means that we are able to test for lead and properly work on structures built before 1978 where lead is present. Remember, on structures built before 1978, have to be tested for lead before any work is done. It is illegal for any person to do work on a structure built prior to 1978 that hasn't been tested for lead and if lead is present it is illegal for any person to work on that structure that is not certified by the EPA. $34,000.00 fine for not complying.

Avatar for L&S maintenance

L&S maintenance

12149s Eggelston
No reviews yet

L&S maintenance

12149s Eggelston
No reviews yet
21 years of experience

Do you have property that you can not attend to? We can get the job done . We specialize in give are customers high maintenance. We welcome residential and commercial. Please contact use for more information . lloydsmith21@yahoo.com. Thank you .

Do you have property that you can not attend to? We can get the job done . We specialize in give are customers high maintenance. We welcome residential and commercial. Please contact use for more information . lloydsmith21@yahoo.com. Thank you .

Community Plumbing Sewer & Drain Inc

8020 Kilpatrick Ave
4.25(
12
)

Community Plumbing Sewer & Drain Inc

8020 Kilpatrick Ave
4.25(
12
)
Customers say: Quick response
24 years of experience

No extra charges for work performed on saturdays and sundays. We are the official bio-clean and rootx dealer in the chicagoland area. We operate with 5 employees and use subs for electrical work & construction. Cost is determined by the job. No travel charges. Service fee may apply. Extra charges for after hours service may apply. May contact through e-mail. Additional contact name - Mike Frenkel. Additional phone - (847) 514-7099.

No extra charges for work performed on saturdays and sundays. We are the official bio-clean and rootx dealer in the chicagoland area. We operate with 5 employees and use subs for electrical work & construction. Cost is determined by the job. No travel charges. Service fee may apply. Extra charges for after hours service may apply. May contact through e-mail. Additional contact name - Mike Frenkel. Additional phone - (847) 514-7099.

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FAQs for window a/c unit installation projects in Great Lakes, IL

Window AC units can use a significant amount of energy. These units use about 12 to 17 kilowatt-hours per day, significantly more than a refrigerator's one to 1.5 kilowatt-hours per day. To keep your energy costs down, run your window AC only when necessary, keep doors closed to contain the cool air, regularly clean filters and coils, and seal any gaps around the unit to prevent cold air from escaping.

Inexpensive air conditioner units are often not worth it. Low-cost products from popular brands like General Electric, LG, Whirlpool, or Frigidaire may be a reasonable investment. However, putting a small, budget-friendly unit in a large room wastes energy and shortens the life span of the AC since it has to draw more power and work much harder to cool the space. The unit will consume more energy and stress the motor and other internal parts, resulting in early breakdown and costly repairs.

The best deals on window AC units come during the fall when businesses slash prices to clear out old inventory. You can also speak with your local AC installer, who may get you a good deal on a window AC unit since they have access to trade pricing. You can also watch for discontinued products and flash sales in your area.

Window AC repair costs between $110 and $390, with most people paying around $250. Parts cost between $2 and $150, with the rest going toward labor, at around $30 per hour. The occasional one-off repair or a routine AC tuneup cost $75 to $200. Servicing can keep your AC running in good condition for several more years before you need to pay for a replacement unit.

Window AC units last eight to 10 years when installed and maintained correctly. High-quality models last up to 20 years with proper care and routine maintenance. The unit’s longevity depends on its construction quality, regular cleaning, and electrical safety inspections. Keeping the filters and coils clean and addressing minor repairs promptly extends its effective performance and ensures reliable cooling.

The Great Lakes, IL homeowners’ guide to window a/c unit installations

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

See all articles
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    After Hours Home Improvement, LLC - Author/Reviewer
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