
Serving Cheyenne, WY and surrounding areas
Approved
In business since 2025
Free estimates
Small jobs welcome
"Very professional. Work completed in reasonable time"


Serving Cheyenne, WY and surrounding areas
Approved
In business since 2025
Free estimates
Small jobs welcome
"Very professional. Work completed in reasonable time"

Serving Cheyenne, WY and surrounding areas
Approved
In business since 2021
Free estimates
Small jobs welcome
"Wyoming A-Service was great. They responded very quickly, quote was reasonable. The men who came out to do the job were very professional. They did the job, cleaned up to the point we couldn't tell they were there! Highly recommend!"





+15
Serving Cheyenne, WY and surrounding areas
In business since 2010
Free estimates
"He's the best that we've found for HVAC services."

Serving Cheyenne, WY and surrounding areas
In business since 2016
Free estimates
Emergency services offered
"Very well. Owner was down to earth, straight-shooter, and very honest. Owner offered really competitive pricing. Equipment was installed quick (within 3 business days of a decision) in the height of the summer. Really happy we found these guys!"





+18

Serving Cheyenne, WY and surrounding areas
In business since 2015
Free estimates
Emergency services offered
"Ruben is the best ! He's quick and professional!!"


Serving Cheyenne, WY and surrounding areas
In business since 2019
Free estimates
Emergency services offered
"Comfort Pro was exceptional to deal with regarding the purchase and installation of our furnace from beginning to end of the project. We would highly recommend this company for any HVAC needs. We plan to continue using them for our air conditioning and any other future projects. They were professional, thorough, and top notch."





+9

Serving Cheyenne, WY 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 Cheyenne, WY and surrounding areas
Free estimates
Credit card accepted
"Great! Heath was prompt, worked fast and efficiently. Work looks great! I liked that he gave me an actual bid rather than just an hourly rate. I will definately call him again for future work."





+20
Serving Cheyenne, WY and surrounding areas
In business since 2010
Credit card accepted
With over 10 years of experience in the HVAC industry, we are the experts that will service your needs. We handle everything from A/C installs to repairs. Please give Dei and Night Heating & Air, LLC, a call today!
Serving Cheyenne, WY and surrounding areas
In business since 2019
Free estimates
Credit card accepted
"Jared was very punctual. Will definitely call again."
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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