Serving London, OH and surrounding areas
Approved
In business since 2017
Warranties offered
Credit card accepted
"Job was done right. Customer service was excellent. Gave me solid information on some changes that would be beneficial for my air conditioning unit. Would recommend!"
Serving London, OH and surrounding areas
Approved
In business since 1969
Free estimates
Emergency services offered
"Logan Services replaces my forced air furnace and AC. Being an aircraft maintenance quality control inspector I can say these guys installed the units with the quality that amazed me. Attention to even the smallest of details their team is very organized in the process of HVAC installation. I highly recommend Logan Services in your HVAC needs. Many thanks to Randy, Treneil and the guys for everything you have done."
+8
Serving London, OH and surrounding areas
Approved
In business since 1988
Free estimates
Emergency services offered
"Universal Heating and Cooling installed a new central air conditioning unit in my home two days after I called them. They were prompt and courteous and did a professional job at a reasonable price. If I have HVAC problems again I will call them."
Serving London, OH and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"My 26 year old central air unit is back working and all cleaned up. He was able to come out the next day. I recommend!!"
Serving London, OH and surrounding areas
Approved (Corporate)
In business since 1990
Free estimates
Credit card accepted
"Ray King was my technician. He was AWESOME!!! I would highly recommend him."
Serving London, OH and surrounding areas
Approved
Super Service Award Winner
In business since 2010
Warranties offered
Small jobs welcome
"We were having problems getting our gas fireplace to light They were on time very reasonable charge and explained everything that technician was doing There were a couple of things that I could do myself that were permitted I was very pleased and highly recommend"
Serving London, OH and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"Quick and simple service. No complaints here. Thanks for the help."
+22
Serving London, OH and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
"Didn't have a/c for almost a week and they came out and fixed same day I called. would highly recommend using them for any of your hvac needs"
Serving London, OH and surrounding areas
Approved
HVAC technician with hands-on experience diagnosing, repairing, and maintaining residential and light commercial heating and cooling systems. Skilled in troubleshooting furnaces, air conditioners, heat pumps, and ventilation systems, with a strong focus on efficiency, reliability, and getting systems back up and running quickly. Multiple certifications including NATE.
Serving London, OH and surrounding areas
Approved
In business since 2020
Free estimates
Warranties offered
"On March 30, 2026, Lui did an outstanding job on aerating and overseeding my medium-size lawn. Lui was prompt, courteous, very Professional and completed the job for a very reasonable price. I will recommend this company to anyone needing this service"
+2
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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