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Central a/c service or repairers in Greendale

Jon Mitchell Heating & A/C
N64W12824 Mill Rd
5.00(
13
)
Approved Pro
Jon Mitchell Heating & A/C
N64W12824 Mill Rd
5.00(
13
)
Approved Pro
Customers say: Quick response
21 years of experience
Free onsite estimate

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.

"Jon came out and found the problem with a faulty heating wall monitor and drove to get a new thermostat to be put in immediately. I've also had issues with high electric bills a.d.he checked my meter."

Catherine D on April 2025

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.

"Jon came out and found the problem with a faulty heating wall monitor and drove to get a new thermostat to be put in immediately. I've also had issues with high electric bills a.d.he checked my meter."

Catherine D on April 2025


Avatar for Over the Moon Heating, Air & Electric
Over the Moon Heating, Air & Electric
20711 Watertown Road Suite D
3.78(
9
)
Approved Pro
Over the Moon Heating, Air & Electric
20711 Watertown Road Suite D
3.78(
9
)
Approved Pro
Customers say: Quality work
14 local quotes requested
16 years of experience

Over the Moon is in business for one reason: our customers. Our first and foremost mission is to educate customers on the safety of their home with their electrical and HVAC systems. We specialize in repairing, installing and designing electrical and HVAC systems in your home. Owner/operator Shawn White is a master electrician, as well as an electrical/HVAC licensed contractor. What that means to our customers is that our services are backed with knowledge and experience to ensure the job is done safely and up to all state and local codes. We are fully insured and registered with the state of Wisconsin. Our team of licensed, background checked technicians service the southeastern Wisconsin communities in their orange warehouse on wheels. Our technicians are dedicated to supplying our customers with solutions met with customer service second to none. Trust us to Educate you on the Safety of your home.

"I had the Team out to perform and AC service and Furnace tune up. With such great service and comparable pricing I ended up moving forward with duct cleaning services. The guys were friendly and professional they were also nice to my doberman."

Brie K on August 2024

Over the Moon is in business for one reason: our customers. Our first and foremost mission is to educate customers on the safety of their home with their electrical and HVAC systems. We specialize in repairing, installing and designing electrical and HVAC systems in your home. Owner/operator Shawn White is a master electrician, as well as an electrical/HVAC licensed contractor. What that means to our customers is that our services are backed with knowledge and experience to ensure the job is done safely and up to all state and local codes. We are fully insured and registered with the state of Wisconsin. Our team of licensed, background checked technicians service the southeastern Wisconsin communities in their orange warehouse on wheels. Our technicians are dedicated to supplying our customers with solutions met with customer service second to none. Trust us to Educate you on the Safety of your home.

"I had the Team out to perform and AC service and Furnace tune up. With such great service and comparable pricing I ended up moving forward with duct cleaning services. The guys were friendly and professional they were also nice to my doberman."

Brie K on August 2024


Avatar for ThermaTek Heating and Air
ThermaTek Heating and Air
W. 1140 Poplar Rd.
4.72(
315
)
Approved Pro
ThermaTek Heating and Air
W. 1140 Poplar Rd.
4.72(
315
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
62 local quotes requested

Welcome to ThermaTek Heating and Air. We are excited to exceed your expectations! As industry professionals, we will handle all your needs with the high-quality expertise and attention to detail your home or business deserves. We offer competitive prices and customer satisfaction is our number one priority. Call us today for your free estimate!

"Very fast and good work ,jobs well done "

Hu Y on February 2025

Welcome to ThermaTek Heating and Air. We are excited to exceed your expectations! As industry professionals, we will handle all your needs with the high-quality expertise and attention to detail your home or business deserves. We offer competitive prices and customer satisfaction is our number one priority. Call us today for your free estimate!

"Very fast and good work ,jobs well done "

Hu Y on February 2025


Avatar for Hometown Heating, Air & Electric
Hometown Heating, Air & Electric
N52W5338 Portland Road
4.93(
110
)
Approved Pro
Hometown Heating, Air & Electric
N52W5338 Portland Road
4.93(
110
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
45 local quotes requested

Hometown Heating, Air & Electric is a home services contractor providing heating, ventilation, air conditioning (HVAC) and electric services. We are ready to help you meet your indoor comfort needs in Germantown and the neighboring communities.

"Great job by the electrician who fixed my wiring problem. I had a few outlets controlled by a switch that also controlled the bedroom light. He showed up on time, diagnosed the problem, and had it fixed in less than an hour."

Eric B on April 2025

Hometown Heating, Air & Electric is a home services contractor providing heating, ventilation, air conditioning (HVAC) and electric services. We are ready to help you meet your indoor comfort needs in Germantown and the neighboring communities.

"Great job by the electrician who fixed my wiring problem. I had a few outlets controlled by a switch that also controlled the bedroom light. He showed up on time, diagnosed the problem, and had it fixed in less than an hour."

Eric B on April 2025


Avatar for One Hour Heating & Air Conditioning of Southeastern Wisconsin
One Hour Heating & Air Conditioning of Southeastern Wisconsin
13205 GLOBE DR STE 210
5.00(
11
)
Approved Pro
One Hour Heating & Air Conditioning of Southeastern Wisconsin
13205 GLOBE DR STE 210
5.00(
11
)
Approved Pro
Customers say: Quick response
163 local quotes requested
23 years of experience

Our team at One Hour Heating & Air Conditioning is proud to be recognized in Southeastern Wisconsin for our excellent customer service and high-quality work. We've developed strong relationships with our customers because we put their needs first. Whether you need to repair your air conditioner, improve the air quality in your home, install a new heater, we are here to help. We provide more than promises to our customers'we back up our work with a 100% satisfaction guarantee. If you contact our team, you can trust that we will get the job done right the first time.

"Friendly and fast."

Norman C on March 2025

Our team at One Hour Heating & Air Conditioning is proud to be recognized in Southeastern Wisconsin for our excellent customer service and high-quality work. We've developed strong relationships with our customers because we put their needs first. Whether you need to repair your air conditioner, improve the air quality in your home, install a new heater, we are here to help. We provide more than promises to our customers'we back up our work with a 100% satisfaction guarantee. If you contact our team, you can trust that we will get the job done right the first time.

"Friendly and fast."

Norman C on March 2025


Avatar for Master Services, Inc.
Master Services, Inc.
N3481 County Rd H
4.59(
235
)
Approved Pro
Master Services, Inc.
N3481 County Rd H
4.59(
235
)
Approved Pro
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
137 local quotes requested

Master Services Inc. has been in business since 1990 serving Walworth, Jefferson, Kenosha, Racine, Waukesha counties with ELITE Plumbing, Heating, Air Conditioning and Indoor Air Quality service. We pride ourselves with our 100% money back guarantee. We are only 1 in 4 companies in Wisconsin that are certified to wear the Technician Seal of Safety patch. This means you can trust that each one of our technicians are drug tested, background checked and professionally trained. We have one of our office staff answering the phone 24 hours a day 7 days a week." We Think You're Kind of a Big Deal"

"Jack came to my home before I hired his service. He showed me what the difference is between vacuum cleaning and air pressure with a vacuum cleaning is. I chose master services and was very pleased with workers as well as the work. Customer service is outstanding!"

Christopher F on April 2025

Master Services Inc. has been in business since 1990 serving Walworth, Jefferson, Kenosha, Racine, Waukesha counties with ELITE Plumbing, Heating, Air Conditioning and Indoor Air Quality service. We pride ourselves with our 100% money back guarantee. We are only 1 in 4 companies in Wisconsin that are certified to wear the Technician Seal of Safety patch. This means you can trust that each one of our technicians are drug tested, background checked and professionally trained. We have one of our office staff answering the phone 24 hours a day 7 days a week." We Think You're Kind of a Big Deal"

"Jack came to my home before I hired his service. He showed me what the difference is between vacuum cleaning and air pressure with a vacuum cleaning is. I chose master services and was very pleased with workers as well as the work. Customer service is outstanding!"

Christopher F on April 2025


Avatar for JB Mechanical, LLC
JB Mechanical, LLC
119 West Water Street
4.88(
30
)
Approved Pro
JB Mechanical, LLC
119 West Water Street
4.88(
30
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
65 local quotes requested

JB Mechanical, LLC, is your premier choice for all of your HVAC needs in Beaver Dam, Wisconsin and surrounding areas. No project is too big or too small, so call today and let us put our experience to work for you!

"Prompt service, courteous technucians"

Sandra G on March 2023

JB Mechanical, LLC, is your premier choice for all of your HVAC needs in Beaver Dam, Wisconsin and surrounding areas. No project is too big or too small, so call today and let us put our experience to work for you!

"Prompt service, courteous technucians"

Sandra G on March 2023


Avatar for South Shore Heating Air Conditioning
South Shore Heating Air Conditioning
11817 Golf Rd
4.74(
27
)
Approved Pro
South Shore Heating Air Conditioning
11817 Golf Rd
4.74(
27
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
161 local quotes requested

Living on the south shore of Lake Michigan means wet, humid summers and cold, breezy winters. The top way to keep your family comfortable all year round is with the best in Racine heating and cooling services. However, how can you know that you’re hiring the affordable and dependable choice in local HVAC repair service providers? Some services charge too much for essential repairs, while other companies will only work on specific heating and cooling units. ​ Instead, you can always depend on South Shore Heating and Air for complete heating and cooling Racine WI solutions. We service more components for less than anyone else, providing you with lasting comfort through all four seasons. Whether you need convenient water boiler repair options, annual inspections, and late-night emergency services, we offer it all for less. Call today and schedule us for your best residential boiler repair options.

"Nice unit cooled down the house"

Jean G on September 2023

Living on the south shore of Lake Michigan means wet, humid summers and cold, breezy winters. The top way to keep your family comfortable all year round is with the best in Racine heating and cooling services. However, how can you know that you’re hiring the affordable and dependable choice in local HVAC repair service providers? Some services charge too much for essential repairs, while other companies will only work on specific heating and cooling units. ​ Instead, you can always depend on South Shore Heating and Air for complete heating and cooling Racine WI solutions. We service more components for less than anyone else, providing you with lasting comfort through all four seasons. Whether you need convenient water boiler repair options, annual inspections, and late-night emergency services, we offer it all for less. Call today and schedule us for your best residential boiler repair options.

"Nice unit cooled down the house"

Jean G on September 2023


Avatar for Nordic Air Heating & Cooling
Nordic Air Heating & Cooling
5.00(
12
)
Approved Pro
Nordic Air Heating & Cooling
5.00(
12
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
414 local quotes requested

Integrity driven, full service HVAC company, with 25 years of experience. We will never hard sell or try to sell you something you don’t need. We offer repairs, equipment replacement and maintenance. For a price that’s Fair, Call Nordic Air.

"Excellent work!"

John S on January 2025

Integrity driven, full service HVAC company, with 25 years of experience. We will never hard sell or try to sell you something you don’t need. We offer repairs, equipment replacement and maintenance. For a price that’s Fair, Call Nordic Air.

"Excellent work!"

John S on January 2025


Avatar for Mr. Holland's Home Services LLC
Mr. Holland's Home Services LLC
W204N16635 JACKSON DR
4.40(
235
)
Approved Pro
Mr. Holland's Home Services LLC
W204N16635 JACKSON DR
4.40(
235
)
Approved Pro
Customers say: Super punctual
1733 local quotes requested
28 years of experience

As the trusted neighborhood HVAC service team in Milwaukee, Mr. Holland’s Home Services is committed to running their business based on five important principles: care, empathy, and trust, being always available, outworking the competition, quality workmanship, and using their “find a way” method. By keeping these five principles in mind, the business is able to deliver nothing less than excellent work when it comes to heating, air conditioning, and indoor air quality services. The professional team at Mr. Holland’s Home Services always gets the job done right. They never cut corners and are respectful of a customer’s property. Additionally, Mr. Holland’s takes their community involvement seriously; that they have a personal responsibility to help the people in their community, not just through quality services but also through the endless support they give to organizations and charities throughout Milwaukee and even outside the country. To learn more about Mr. Holland’s Home Services, please visit the company website or call the office today.

"They were responsive and quick. Expensive. We asked for a duplicate water heater to what we had and didn’t get it."

Robin O on November 2024

As the trusted neighborhood HVAC service team in Milwaukee, Mr. Holland’s Home Services is committed to running their business based on five important principles: care, empathy, and trust, being always available, outworking the competition, quality workmanship, and using their “find a way” method. By keeping these five principles in mind, the business is able to deliver nothing less than excellent work when it comes to heating, air conditioning, and indoor air quality services. The professional team at Mr. Holland’s Home Services always gets the job done right. They never cut corners and are respectful of a customer’s property. Additionally, Mr. Holland’s takes their community involvement seriously; that they have a personal responsibility to help the people in their community, not just through quality services but also through the endless support they give to organizations and charities throughout Milwaukee and even outside the country. To learn more about Mr. Holland’s Home Services, please visit the company website or call the office today.

"They were responsive and quick. Expensive. We asked for a duplicate water heater to what we had and didn’t get it."

Robin O on November 2024

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Central a/c service or repairs FAQs

An evaporator coil is the chilled indoor coil that pulls heat out of your home’s air. As warm air passes over it, the refrigerant inside absorbs the heat and sends it outdoors, leaving cooler air behind. When the coil wears out or leaks, you’ll notice weaker cooling, higher bills, or even small puddles of refrigerant around the unit.

You’ll know an evaporator coil is on its last legs when airflow turns weak, the air feels lukewarm, or your energy bill suddenly spikes. Short cycling, hissing sounds, and visible refrigerant leaks are other red flags. Acting quickly keeps the repair bill smaller and prevents a full system breakdown, so call an HVAC pro as soon as you spot these issues.

With routine filter changes and a yearly tune-up, most evaporator coils last 10 to 20 years. Heavy summer use, skipped maintenance, or corrosive indoor air can shave years off that span, while a lightly used, well-kept system can reach the upper end. Staying on top of simple upkeep is the best way to protect the coil’s lifespan.

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