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Find Air conditioning pros in Janesville

Avatar for Clark Heating & Cooling
Clark Heating & Cooling
4.8(
453
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+6 more

Serving Janesville, WI and surrounding areas

Approved

In business since 1980

Free estimates

Emergency services offered

"Service was great. I called in the morning and they were able to have someone come out right away that morning. Kevin was extremely nice and knowledgeable. He answered all my questions and gave me some advice for future maintenance. The air conditioner has been working great since he did the work."
Ductwork going around framing in new home build
New Home Ductwork
PRODUCTS AND SERVICES
Additional Photos
Additional Photos

+4

Response time1 day
Response rate100%
2 neighbors recently requested a quote
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Avatar for KETTLE MORAINE HEATING & AIR CONDITIONING LLC
KETTLE MORAINE HEATING & AIR CONDITIONING LLC
4.8(
228
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Janesville, WI and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"Paul was professional, courteous, friendly and thorough. I will have Kettle Moraine Heating and Air Conditioning come again next time I need service for my furnace or air conditioner."
Radiant In floor Heating
Furnace Replacement with Humidifier
Additional Photos
Additional Photos
Additional Photos

+8

Response time2 days
Response rate100%
10 neighbors recently requested a quote
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Avatar for Cardinal Heating & Air Conditioning
Cardinal Heating & Air Conditioning
4.8(
164
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+2 more

Serving Janesville, WI and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

"Cardinal Heating & Air Conditioning was great. They Repaired our Heater in no time."
176 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for ThermaTek Heating and Air
ThermaTek Heating and Air
4.7(
345
)
Central A/C - Service or Repair

Serving Janesville, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"They were able to attend to my air conditioning emergency within 24 hours of me calling which is great, but the service call was a bit high I thought. The technician, I think his name is Jeremy was very polite and seemed very knowledgeable."
Ac install
Ac install
Ac install
Ac install
Ac install

+16

Response time3 hrs
Response rate91%
10 neighbors recently requested a quote
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Affordable Quality Heating & Air Conditioning, LLC
5.0(
6
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+6 more

Serving Janesville, WI and surrounding areas

Approved

In business since 2014

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! \nBook with us online or feel free to give us a call today!\n

Response time2 days
8 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Fab Tek Custom Sheet Metal & HVAC, LLC
Fab Tek Custom Sheet Metal & HVAC, LLC
4.9(
9
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Install or Replace+4 more

Serving Janesville, WI and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Fab Tek installed both a heating and air conditioning unit in our Summer home. Very happy with the work, finally had a chance to test both the heat and air conditioning and they are working great! Would recommend Fab Tek to anyone needing HVAC work done. The customer service was top notch."
Martinsons Arcade..
Martinsons Arcade...
Oil Furnace...
New furnace...
Flipped House...

+5

Response time12 hrs
Recommended by88%of homeowners
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Avatar for Southport Home Services
Southport Home Services
5.0(
11
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+4 more

Serving Janesville, WI and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

At Southport Home Services we're A+ rated by the BBB. Our technicians are NATE certified to meet national standards of excellence, and we're a Carrier® Factory Authorized Dealer, recently cited as the #1 medium-sized business to work for by the Milwaukee Journal Sentinel. We treat our team well and hold them to high professional standards. Our up front, transparent pricing, great customer service, and honesty in our business practices make us the plumbing and HVAC company that you'll feel good working with on a regular basis, with 100% satisfaction guaranteed.

Boiler
Upstairs Furnace
Lineset/Electrical
Basement Furnace
Air Conditioner

+11

25 neighbors recently requested a quote
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Avatar for Master Services, Inc.
Master Services, Inc.
4.3(
317
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Install or Replace+2 more

Serving Janesville, WI and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1990

Free estimates

Emergency services offered

"I am a member of the service plan and use Master Services for all HVAC services. Their team has always been good and the one issue I had with an air conditioner installation was quickly resolved."
Master Services Team
Response time8 hrs
Response rate93%
15 neighbors recently requested a quote
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Avatar for Edelman Heating, Cooling, Plumbing, Electric & Solar
Edelman Heating, Cooling, Plumbing, Electric & Solar
5.0(
5
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+2 more

Serving Janesville, WI and surrounding areas

Approved (Corporate)

In business since 2003

Free estimates

Emergency services offered

Here at Edelman, we’re your trusted local team for HVAC heating & cooling services around southern Wisconsin. We provide residential repair, replacement, installation, and maintenance.\n\nEdelman is built on 23 years of experience, a strong work ethic, and a commitment to delivering the best service to every client and customer. We stand behind our work with a 100% Satisfaction Guarantee on all service, repairs, and replacements. We stand behind our work with a 100% Satisfaction Guarantee on all service, repairs, and replacements.

Mini Split Install
Mini Split Install
Mini Split Install
Mini Split Install
Central AC Unit

+10

4 neighbors recently requested a quote
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Avatar for Rock Valley Services, Inc.
Rock Valley Services, Inc.
4.9(
10
)
Central A/C - Service or Repair

Serving Janesville, WI and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

Rock Valley Services, Inc., is a locally owned and operated HVAC company that has been proudly serving Rock county for over 15 years. We are a residential heating and air conditioning contractor that provides exceptional quality and workmanship with every project we take on. Currently, we do not work on mobile homes and apologize for the inconvenience. Call today to schedule your appointment; we look forward to meeting you!\n

New Air Conditioner
Response time8 hrs
Response rate85%
6 neighbors recently requested a quote
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FAQs for air conditioning projects in Janesville, WI

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 Janesville, WI homeowners’ guide to air conditioning services

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

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