Serving Benson, MD and surrounding areas
Approved
In business since 2013
Free estimates
Warranties offered
"They are one of the few willing to do job as permit required within my budget."
Serving Benson, MD and surrounding areas
Approved
In business since 2018
Free estimates
Credit card accepted
"I have a dual zone system and the air handler/heat pump unit on the 2nd floor was blowing hot air. I immediately looked up HVAC service in the Bel Air area and came upon Comfort Air. I initially chose this company based on the good reviews. I was told by the technician that based on the age of the unit and problem it was more cost effective to replace the unit instead of making a temporary fix. I agreed and after entertaining some estimates I chose Comfort Air. We negotiated a very reasonable price along with a quality unit. The installers were very professional and completed the work in about 4 hours. I would highly recommend Comfort Air for any Heat and Air Conditioning needs."
Serving Benson, MD and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Rapid response punctual, professional, and friendly did a great job fixing my window unit. I would recommend and use them again."
+7
Serving Benson, MD and surrounding areas
Approved
In business since 2005
Emergency services offered
Warranties offered
"John has my business for the rest of my days, very professional and quick. If you have an issue for HVAC look no further because this is the guy you need."
Serving Benson, MD and surrounding areas
Approved
In business since 2007
Free estimates
Emergency services offered
"Mr. Bost did an excellent job for me for a reasonable price. I know he obtained the best deal for me on the furnace and the air conditioning unit. He answered all my questions. He was on the job when he said he would be; he was professional and courteous. The installation went smoothly, and I have had no problem with the furnace or air conditioner since they were installed in 2008."
+2
Serving Benson, MD and surrounding areas
Approved
Super Service Award Winner
In business since 1999
Free estimates
Emergency services offered
"Bryson was professional, on time and competent."
+130
Serving Benson, MD and surrounding areas
Approved
In business since 1998
Free estimates
Credit card accepted
"A great team, very professional and respectful!! Thank you!"
+6
Serving Benson, MD and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
"Great service all around! I needed a full swap, both a/c and furnace. They were great right from scheduling! They worked with me on financing which was a blessing. You can tell they care about the quality of their work and went above and beyond in every way!"
Serving Benson, MD and surrounding areas
Approved
In business since 2000
Warranties offered
Credit card accepted
"Very responsive. Expected a much higher bill"
Serving Benson, MD and surrounding areas
Approved
In business since 1992
Free estimates
Emergency services offered
"Great value for your money."
+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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