Serving Moncks Corner, SC and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Credit card accepted
"Exceptional service, very knowledgeable & worked in a timely manner. I will always recommend Maximum Air Experts, LLC!"
Serving Moncks Corner, SC and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"Very good experience...Ac was blowing hot air...it was raining hard so I held an umbrella for the tech while he diagnosed my unit...he was honest, nice, and didnt overcharge...very very happy with this business"
Serving Moncks Corner, SC and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Russell was very thorough. He checked everything, asked me questions, and showed evidence of issues. He did more than simply fix a problem. He educated me on how to determine when a problem is arising. He offers a phenomenal benefit plan to keep HVAC unit in great condition year round. I would highly recommend him for your HVAC needs."
+2
Serving Moncks Corner, SC and surrounding areas
Approved (Corporate)
In business since 2001
Free estimates
Emergency services offered
LimRic Plumbing, Heating & Air has been fulfilling light commercial and residential plumbing, heating and air conditioning needs of the Charleston area for more than 50 years. Our team provides excellent customer service and is dedicated to ensuring our staff is informed and knowledgeable so that your commercial or residential space remains safe for you, your family, or your business.\n\nAt LimRic Plumbing, Heating & Air, customer satisfaction is our priority. You can rest easy on our service pledge of “Call Today, Comfortable Tonight!” With our Quick Comfort guarantee, we promise that if we can’t fix your HVAC or Plumbing issue on the first service visit, we will provide you with a temporary replacement until we can restore it to working order. With more than 80 fully stocked service vehicles, a staff of highly trained technicians and multiple locations in the Lowcountry, we can confidently promise same-day service to our customers.\n
+2
Serving Moncks Corner, SC and surrounding areas
Approved
In business since 1982
Free estimates
Offers commercial services
5 Star Charleston is a professional company that specializes in all aspects of HVAC work. We have an eye for detail and will not leave until you are satisfied! Please be sure to call us today for a fast and friendly service that you will not be disappointed in!
Serving Moncks Corner, SC and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1976
Free estimates
Credit card accepted
"Tony repaired air scrubber in good order."
Serving Moncks Corner, SC and surrounding areas
Approved
In business since 2013
Free estimates
Credit card accepted
Fix-It 24/7 provides AC, heating, and plumbing services across the Charleston area. We focus on preventative care that extends the life of your home’s systems in a humid coastal climate. \n\nWe offer 24/7 availability with fast response times. Same-day service available, or your diagnostic is waived. \n\nWith more than 3,000 5-star reviews, homeowners trust us for reliable service. New customers can take advantage of our $39 AC deep clean.
Serving Moncks Corner, SC and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
Bakers Residential Experts provides a comprehensive range of services, including heating, cooling, plumbing, and electrical work. Our team consists of certified technicians with industry experience dating back to 2000. We are committed to your satisfaction and will ensure that the job is completed correctly before we leave. We take pride in delivering high-quality work alongside excellent customer service. Explore the variety of services we offer below, and don’t hesitate to call or click to schedule a free estimate today!\n
Serving Moncks Corner, SC and surrounding areas
Approved
In business since 2006
Free estimates
Emergency services offered
We are a smaller company, with over 10 years’ experience, offering a personal touch in Remodeling – from Bathroom and Room Makeover to Painting and Flooring. We also offer fast and affordable Handyman services for our Residential Customers. On our Commercial side, we offer Property Maintenance for Apartments. If you don’t have the maintenance staff or just don’t have the budget, you can reach out to us for all your repairs, and simple fixes including move-outs.
+8
Serving Moncks Corner, SC and surrounding areas
Approved
In business since 2014
Free estimates
Emergency services offered
"Very nice technicians . Matthew and Aaron answered all our questions. Iâ m sure you would be pleased with their work. Stacy the sales lady is very good with people. They try to make their customers happy! Call toda for your heat and air!"
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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