
Serving Medford, MN and surrounding areas
Approved
In business since 1949
Emergency services offered
Credit card accepted
"The work was preformed very well. The only down side is they are a bit expensive."


Serving Medford, MN and surrounding areas
Approved
In business since 1949
Emergency services offered
Credit card accepted
"The work was preformed very well. The only down side is they are a bit expensive."

Serving Medford, MN and surrounding areas
Approved
In business since 2023
Free estimates
Credit card accepted
Fox Heating and Air Conditioning LLC is committed to excellence in every aspect of our \nbusiness. We uphold a standard of integrity bound by fairness, honesty, \nand personal responsibility. Our distinction is the quality of service \nwe bring to our customers. Accurate knowledge of \nour trade combined with ability is what makes us true professionals. \nAbove all, we are watchful of our customers' interests and make their \nconcerns the basis of our business. \n


Serving Medford, MN and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
One Hour Heating and Air Conditioning is your premier provider for heating and air conditioning in Southern Minnesota. If you are south of the river, we are your people!




Serving Medford, MN and surrounding areas
Approved
"Dryer heat hadn’t been working for some time. They immediately diagnosed the problem, went to the truck to get the replacement part, and hooked it back up within a short period of time. Very professional and kind! Very affordable price too. Will definitely recommend them to others and use them for any other applicable issues going forward."

Serving Medford, MN and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today!





+5
Serving Medford, MN and surrounding areas
In business since 2020
Free estimates
Small jobs welcome
"He has put an air conditioner and a furnace in my house and has done an amazing job both times. He is professional and strives to make his customers happy. I would highly recommend giving him a call for any of your hvac needs."

Serving Medford, MN and surrounding areas
In business since 2024
Free estimates
Emergency services offered
"Carter installed a new toilet. He was friendly and professional. He arrived promptly, completed the install, hauled the old toilet away and left the area clean."

Serving Medford, MN and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"Mr. Ferrell first connected his computer to my computer via internet and worked for quite a few hours trying to determine what exactly was wrong. The next day he continued working from his computer for several hours. He determined he would have to have my desktop tower to complete the repair. He and my son met in Huntsville to exchange the tower. He then cleaned up a lot of what was wrong and reloaded Windows 10. He deleted the D: drive which had way too much memory allotted to it. The tower was returned and I plugged it all back together and it is working better than it did when I first purchased it. I would use him again and I recommend him highly to anyone needing computer updating and/or repair. His work is warrantied and he is very personable, knowledgeable, and helpful."



Serving Medford, MN and surrounding areas
In business since 1992
Free estimates
Emergency services offered
"Everything went perfect! The workers were very professional, very nice, and kept everything spotless! I am very happy with the performance of the furnace and central air. I highly recommend Kaduce Heating and Plumbing. Thanks again Kaduce!"

Serving Medford, MN and surrounding areas
In business since 2016
Free estimates
Emergency services offered
"Went great. Did a nice job. Kept me informed of timeline. Cleaned up after job complete. Definitely recommend and have another door to have them price for me in future."





+113
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.
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