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Top-Rated Air conditioning pros in South Lyon - Updated Nov 2026

Avatar for HVAC Comfort Inc
HVAC Comfort Inc
4.7(
537
)
Central A/C - InstallCentral Humidifier - Repair or ServiceCentral A/C - Service or Repair+4 more

Serving South Lyon, MI and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"Had a very difficult time finding a company that was respectful of the urgency/nature of my need to have the AC replaced given the 90 degree weather we were having. Had recently moved into a place and just found out it wasn't working. These guys came out to take a look and had the job done within 24 hours. Can't say much for the price, since I didn't have time to shop around, but at a time in need this couldn't be beat. I've had many home projects done over the past couple months, and It's refreshing to see someone take pride in their business and put their customers first."
New Coleman AC install with 10 year parts and Labor warranty
New Coleman AC unit with 1o year parts and Labor warranty
Additional Photos
Additional Photos
Additional Photos

+9

33 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Schutz Heating & Cooling
Schutz Heating & Cooling
4.7(
104
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving South Lyon, MI and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"They installed the Air conditioner about a year ago, and they came back this summer to service the unit. The service was good, they have great customer service, they always respond if you need a service, it was a quick response, they practice proper covid safeguards which was very important."
Additional Photos
Additional Photos
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+1

Response time11 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for Dominion Service Company
Dominion Service Company
5.0(
11
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving South Lyon, MI and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"My experience with this company has been painless! I have never felt like they have tried to over sell me for my new furnace then repairs to my air conditioner. I appreciate it when they give me options and write up the differences in cost so I can make my own decisions on what I can afford. They are truthful. I love that I have a yearly maintenance agreement with them and they do the thinking for me. They offer a discount on any repairs or replacements. No service charge to come out."
Response time1 day
Response rate100%
Recommended by90%of homeowners
Avatar for Andy's Statewide
Andy's Statewide
4.7(
139
)
Central A/C - Install

Serving South Lyon, MI and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"This company went above and beyond. From the estimate to the install of both a new furnace and air conditioning unit quickly after the estimate. We had been without heat for 4 days in December in Michigan. Glad to sleep in a home with heat again."
New System Installation
456 neighbors recently requested a quote
Recommended by59%of homeowners
Express Heating & Cooling Inc
5.0(
10
)
Central A/C - Install

Serving South Lyon, MI and surrounding areas

Approved

In business since 1995

Free estimates

Credit card accepted

We're dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company is built on honesty and integrity. We specialize in central air conditioning and cooling systems as well as heating and furnace systems. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long term relationships with our clients, and guarantee your satisfaction.

Furnace and A/C Installs
Furnace and A/C Installs
Furnace and A/C Installs
19 neighbors recently requested a quote
Recommended by25%of homeowners
Avatar for Smart Zone Heating and Cooling
Smart Zone Heating and Cooling
5.0(
5
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving South Lyon, MI and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

At Smart Zone Heating & Cooling, we provide reliable, high-quality heating and cooling services for both residential and commercial customers. Our goal is simple: deliver dependable HVAC solutions that improve comfort, efficiency, and long-term performance.\n\nAs a licensed and insured HVAC contractor, we specialize in professional installation, repair, and maintenance of heating and cooling systems. Whether you need a new furnace installation, air conditioning repair, system replacement, or preventative maintenance, we focus on doing the job right the first time.\n\nWe take pride in offering honest recommendations, fair pricing, and high-quality workmanship. Our team understands that HVAC systems are one of the most important components of any home or business, which is why we work efficiently, communicate clearly, and treat every property with care and respect.

Avatar for Valentine Publications & Repairs
Valentine Publications & Repairs
4.9(
97
)
Window A/C Unit - Service or Relocate

Serving South Lyon, MI and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Emergency services offered

As a U.S. Veteran Service Member Owned & Operated Business, we provide meticulousness, professionalism, and over 40 years of experience to ALL electrical, plumbing, home, and auto repairs. If we cannot finish it, we do not start it! We provide expert computer programming and repair, home theater setup, OBD2 code clearing for autos, washer/dryer setup and repair, range diagnosis and repair, duct cleaning, microwave repair, alarm and security camera installation, garage motor repair or replacement, garage door repair, and more! \nOur favorite clients are the ones who call us back in the following years! \nWe also offer manuscript editorial and English tutoring services.

Ceiling Fans - Berkeley
A/C-Burned Electrical Receptacle  - Clinton Township
Ceiling Fans Project
Diagnose Power Outage - GFCI - Southfield
Pushmatic Circuit Breaker - R&R - Farmington

+263

Response time9 hrs
Response rate100%
Recommended by43%of homeowners
Four Seasons Cooling & Heating
5.0(
4
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral Humidifier - Install or Replace+1 more

Serving South Lyon, MI and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Response time9 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for Mrs. Michael Plumbers, Electricians, AC & Furnace Repair
Mrs. Michael Plumbers, Electricians, AC & Furnace Repair
4.2(
679
)
Central Humidifier - Install or ReplaceCentral Humidifier - Repair or Service

Serving South Lyon, MI and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"The project was top notch. The technician called to let me know he would be here in 10-15 minutes and was right on time. He quickly diagnosed our problem in the one unit not working at all and also checked a second air conditioner we have and replaced the capacitor in both. This turned out great as we have air now coming from both units. My only concern was the cost of the capacitors."
Plumbing
HVAC
Electrical
Daikin AC Install
Daikin AC Install

+21

Recommended by92%of homeowners
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Showing 1-10 of 242

FAQs for air conditioning projects in South Lyon, MI

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The South Lyon, MI homeowners’ guide to air conditioning services

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