Serving White Rock, SC and surrounding areas
Approved
In business since 1976
Free estimates
Emergency services offered
"I received a lot of helpful information however my air conditioning was working at the time and when am came it stopped ."
+2
Serving White Rock, SC and surrounding areas
Approved
Credit card accepted
Offers commercial services
"Received prompt call after setup on Angi. Wagner HVAC did service call on AC unit had issue with fan motor not turning on. TEMP WAS 90 degrees plus in house. Diagnosed that fan motor ok. Found issue with new thermostat that was not wired correctly. Checked compressor for faults. Other providers actually quoted replacement. The price for the service call saved me thousands. I would highly recommend WAGNER HVAC AND REFRIGERATION LLC to everyone. I intend to purchase maintenance plan with them also."
+11
Serving White Rock, SC and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"Brandon is a small business owner. I needed duct work removed and replaced with new. He was very knowledgeable and answered any questions I had. Also very respectful. His employees were very nice. I would hire him again."
+20
Serving White Rock, SC and surrounding areas
Approved
In business since 2023
Free estimates
Warranties offered
"Perfect! Punctual, friendly, did great work and plan to use again. Highly recommend!"
+198
Serving White Rock, SC and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Awesome job, very professional, answered all our questions; they were quick and efficient!"
+3
Serving White Rock, SC and surrounding areas
Approved
I have worked in HVAC for over 20 years. I am reasonable, responsible, and honest with all my customers. I am educated and licensed. I specialize in service and maintenance on all AC and Heating units. I can install new ductwork, vapor barrier, and install mini split systems.
Serving White Rock, SC and surrounding areas
Approved
In business since 2007
Free estimates
Credit card accepted
We have extensive experience providing design, construction, installation and on going maintenance for all of our service lines across a diverse spectrum of industries and asset types. Founded over 75 years ago, HVAC Service Corporation has been a cornerstone in the Carolinas for reliable and efficient HVAC solutions. Our commitment to quality service and customer satisfaction has made us a trusted name in the industry. We are licensed and insured in North Carolina, South Carolina, and parts of Georgia, with our headquarters located in Gastonia, NC. Our mission is to provide top-notch commercial heating and air conditioning services that meet the unique needs of our clients.
Serving White Rock, SC and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
Christian’ s Property & Auto Solutions is a reliable, full-service company dedicated to meeting both residential and automotive needs with quality workmanship and dependable service. We specialize in a wide range of property maintenance and improvement services, handling everything inside and outside the home—from general repairs, landscaping, and exterior upkeep to interior projects that keep your property looking its best.
Serving White Rock, SC and surrounding areas
Approved
Free estimates
Small jobs welcome
Credit card accepted
Palmetto & Pine Services Co. is a veteran-owned property services company serving residential and commercial clients across the Carolinas. We provide reliable junk removal, hauling, pressure washing, yard cleanup, delivery assistance, and property support services. Our team is built on discipline, pride, and accountability. We treat every job as if it were our own property. Quality work. Clear communication. No shortcuts.
Serving White Rock, SC and surrounding areas
Approved
Hello my name is Landen Hollis, and I have 2+ years of a combination of Commercial and Residential work. I have built homes from the ground up, including concrete work, framing, insulating, final work, ETC. I’m here looking to find additional work and grow my network.
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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