Serving Wausau, WI and surrounding areas
Approved
In business since 2017
Free estimates
Customers say: Quality work
"Teddy provided quote and other information in a timely manner, delivered and installed furnace in time period promised and cleaned work area before leaving."
Serving Wausau, WI and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"The service that we received from Aires Heating and Cooling, LLC was great. I really can't say how it could have gone any better. Our furnace broke down, tried a couple easy troubleshooting steps over the phone, and when we couldn't get it going, the tech was over as soon as he could. This is the time of year where he was busy with other customers, so the amount of time we waited was explainable. Didn't have parts right away on his van, but we didn't wait for more than 24 hours before he found another tech that did have the parts for our furnace. Excellent friendly service. Thank you very much for all the help, Aires Heating and Cooling, LLC."
Serving Wausau, WI and surrounding areas
Approved
In business since 1918
Free estimates
Emergency services offered
"Very knowledgeable and helpful. I can't rate yet. Job has to be done before rated. Thanks."
+7
Serving Wausau, WI and surrounding areas
Approved
In business since 2025
Free estimates
Credit card accepted
"Austin installed A/C in our newly remodeled home and we will continue to go through him for any future HVAC needs. He was efficient, thorough, and transparent throughout the entire process, answering any questions we had. As well as reassuring us we could reach out to him after the job was done if we ever had any problems down the road. We highly recommend his services and the peace of mind he provides!"
+6
Serving Wausau, WI and surrounding areas
Approved
In business since 1980
Free estimates
Customers say: Quick response
"We enjoyed working with Neil. He was spot on. He was very clean and thorough with explaining how to use the equipment."
Serving Wausau, WI and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Emergency services offered
Small jobs welcome
"I hired a company to install my Garage Door,2 week and he called said he was coming. Finally did not hear anything for 3 days. Said he was coming Monday if not for sure Tuesday morning, We'll once again never called or showed up. I called, Angi and Deylan text me within a hour and we set up a day and time. He was here as Schedule and did the job in a readable time and a great Job ,and great Guy.I would hire him anytime I need something Done my Husband can not do. Tyvm D."
Serving Wausau, WI and surrounding areas
In business since 2005
Emergency services offered
Credit card accepted
"Went very well. Fast, friendly, and efficient! And they took the old one away."
Serving Wausau, WI and surrounding areas
In business since 2023
Free estimates
Emergency services offered
"I called ANG Heating&Cooling looking for a solution to our very dry and uncomfortable situation in our home. Alex came out to our home to have a look at what was going on, within a few minutes Alex had a plan together and we were scheduled for a whole home humidifier, in addition to some added supply and return runs to get that conditioned air moving throughout our home. Let me just say Alex was spot on WOW what a difference very very pleased! very comfortable! Alex was prompt, professional, punctual and very knowledgeable. Alexs was very neat and tidy! A true craftsman of his trade! Everything looks great,great rates as well! I strongly recommend giving ANG a call for any of your future HVAC needs. Thanks again Alex!"
+14
Serving Wausau, WI and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"Mr. Ferrell worked with my husband over the phone to fix the problem. It was surprisingly fast and stress-free. To have the work done remotely in less than an hour was wonderful."
Serving Wausau, WI and surrounding areas
Credit card accepted
"3700 sq. ft. Property everything went. Very professional and great service. Would definitely recommend to my friends and family."
+25
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.
From average costs to expert advice, get all the answers you need to get your job done.
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