Serving Lenoir, NC and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1995
Free estimates
Credit card accepted
"This company was just wonderful. Our new home had a huge job and they got it all completed in one day. They worked a 12 hour day just to insure we had air conditioning when we went to bed. Heath was amazing and very knowledgeable."
Serving Lenoir, NC and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
With years of hands-on experience and a commitment to reliable comfort, we specialize in heating, ventilation, and air conditioning solutions tailored to homes and businesses alike.\n\nOur legacy is built on honest service, skilled craftsmanship, and personalized care. Whether it’s a simple repair or a complex installation, we treat every customer like family and every project like it’s in our own home. From emergency services to routine maintenance, we’re here when you need us most—rain or shine, hot or cold.
+4
Serving Lenoir, NC and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"Very professional arrived on time got the job done at a reasonable price would definitely recommend and would call again!!!"
+90
Serving Lenoir, NC and surrounding areas
Approved (Corporate)
In business since 2012
Free estimates
Emergency services offered
"Knowledgeable and very good diagnostics. Lived up to the name of Call Dad with Dad jokes. Very good customer service"
Serving Lenoir, NC and surrounding areas
Approved
In business since 1971
Free estimates
Emergency services offered
One Hour Heating & Air has been serving the Charlotte/Hickory area for 54 years. We promise prompt and professional service to all of our customers. "Always on time, or you don't pay a dime." We look forward to solving all your air conditioning and heating repair, installation and service needs. Call us now to schedule an appointment. At One Hour Heating & Air it is our pleasure to provide heating and air conditioning service to Charlotte and the surrounding areas. We provide legendary air conditioning and heating service to the Charlotte area with fully background checked, drug tested technicians, with at least 5 years of experience. You, the customer, are the most important aspect of our career and we will never forget that. We offer financing. Call us today!
Serving Lenoir, NC and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"I had an excellent experience with Josh on a sweltering July Saturday. I called him at 8 a.m., and by the end of the day, my AC was up and running flawlessly. Thanks to his quick response and efficient service, we didn't have to suffer through a single miserable night without proper cooling. What stood out even more was that Josh didn’t impose a hefty rush charge like many other AC companies would. His fair pricing combined with his stellar service has made me a very satisfied customer. I highly recommend Josh to anyone in need of reliable and affordable AC repair!"
Serving Lenoir, NC and surrounding areas
Approved
In business since 2017
Emergency services offered
Warranties offered
"Prompt service and very reasonable prices for service"
+10
Serving Lenoir, NC and surrounding areas
Approved
Super Service Award Winner
In business since 2001
Free estimates
Emergency services offered
"They did such a great job on our roof that we called them back when we needed more work done. Quick and efficient which is a breath of fresh air. Professional and friendly. Highly recommended."
+32
Serving Lenoir, NC and surrounding areas
Approved
In business since 2015
Free estimates
Credit card accepted
"This company is very reliable, versatile & personable, their prices were much better then 3 other estimates I had.I highly recommend them!"
Serving Lenoir, NC and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
Mgt service solutions is not just a name \nIt’s a person that has spent 35 yrs in the industry of full facilities maintenance and repairs \nFrom hvac to land scape you have e a need we have a solution to help keep you from having to call multiple people .\nI build relationships it’s not just a job \nIt’s partnership to make sure your needs are met.
+5
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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