Serving Christiana, PA and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"Mr. Desmond from Desmond Heating and Cooling Solutions, LLC came on time and was very professional. He fixed my thermostat and made sure I enough Freon and have central air throughout the house."
Serving Christiana, PA and surrounding areas
Approved
Super Service Award Winner
In business since 1959
Free estimates
Emergency services offered
"Wonderful to deal with. Very prompt service- everyone was so friendly and polite. They explained everything and were able to fix our air conditioning on the spot. Highly recommend."
+16
Serving Christiana, PA and surrounding areas
Approved
In business since 2004
Free estimates
Emergency services offered
"Added a hard start to my existing A/C, after the previous company that installed it neglected to do so. Highly recommend this company. Punctual, Personable and the absolutely the PRIME HVAC contractor I’ve found in my area. Thank you!"
+3
Serving Christiana, PA and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"Arizona Rug Co. recently completed cleaning and restoring our rugs for us and we could not be more impressed with the quality of their work. The older and larger of the rugs no longer looks 42 years old. I recommend, as a designer, taking care of quality rugs in order to enjoy them fully. It also needs to be said that this company has a varied selection of rugs available from the well stocked showrooms, both in Tempe and Scottsdale, with knowledgeable sales staff."
Serving Christiana, PA and surrounding areas
Approved
Free estimates
"I had a great experience with Air Bros Mechanical LLC! From start to finish, the team was professional, knowledgeable, and honest. They arrived on time, explained everything clearly, and completed the job quickly without cutting corners. They replaced my old furnace after discovering a cracked heat exchanger that was allowing carbon monoxide to leak into my home. They took the situation seriously, made sure everything was installed correctly, and gave me peace of mind knowing my family and I were safe again. Their workmanship was top-notch, the pricing was fair, and the entire process was smooth and stress-free. I highly recommend Air Bros Mechanical LLC to anyone looking for a trustworthy and reliable HVAC company. Thank you for the outstanding service!"
Serving Christiana, PA and surrounding areas
Approved
In business since 1982
Emergency services offered
Warranties offered
"The service was wonderful and fabulous. They were responsive and reasonable, and they were thorough."
Serving Christiana, PA and surrounding areas
Approved
In business since 2019
Free estimates
Credit card accepted
"Matt did an excellent job installing 4 ceiling fans/lights. Professional, well-spoken, and knowledgeable - at a reasonable price. I definitely plan to hire him for another larger project."
+16
Serving Christiana, PA and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"I had other professionals out and they were unable to do the job, but Pro Air Services came out and they were able to do the job and save me money in he long run."
Serving Christiana, PA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Credit card accepted
"Steve assembled a trampoline for me in about 3 hours on a Friday morning. He was kind, knowledgeable, and communicative throughout the whole process. He broke a bolt during installation and drove to the local hardware store to replace it. He also hauled all the trash away for a small, reasonable extra fee that was negotiated in the spot. Zero complaints. Just good work. Steve will be the first person I call for assistance with other jobs from now on for sure. Thank you!"
+4
Serving Christiana, PA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Warranties offered
"Jonathan was prompt, professional and did a great job installing our mailbox. We will be using him 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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