Serving Washington, NC and surrounding areas
Approved
In business since 2000
Free estimates
Warranties offered
"Jeff came right out and diagnosed the problem and kept me updated on everything. He came back the next day and took care of the problem. I now have him in my phone for my heat and air guy!"
Serving Washington, NC and surrounding areas
Approved
In business since 2017
Emergency services offered
Warranties offered
"Pros! Thanks so much for explaining the process of your excellent repair work. They have offer a service plan that is very beneficial."
+38
Serving Washington, NC and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"Shay's crew installed a new HVAC unit and duct work in our attic. Was previously under the house and was not working efficiently. They were great. They worked cleanly and did a great job."
+31
Serving Washington, NC and surrounding areas
Approved
In business since 1979
Free estimates
Warranties offered
At One Hour Heating & Air Conditioning, home comfort is treated as a priority, not an afterthought. Every service call is handled with care, precision, and respect for your home. As a reliable HVAC company serving the Outer Banks and the surrounding areas, we focus on creating dependable comfort solutions that support efficiency, safety, and everyday peace of mind.\n\nOur team is made up of skilled HVAC technicians who arrive prepared, knowledgeable, and ready to help. Whether your system needs attention due to age, performance concerns, or routine upkeep, we work with purpose and clarity so you always know what to expect.\n\nSchedule your appointment today and take the next step toward a home that feels comfortable year-round!
Serving Washington, NC and surrounding areas
Approved
Super Service Award Winner
Credit card accepted
Customers say: True professional
"Excellent work, quick turnaround and reasonable price. Dustin was a pleasure to work with. It was a small job but he took care of every detail and left a good finished product. Would definitely recommend and rehire."
+14
Serving Washington, NC and surrounding areas
Approved
In business since 2017
Emergency services offered
Warranties offered
"It has worked out so well for me and my family. And yeah, please do it all day. Please let me know if I can help. Please let me know when I get home, and I will be home in the next few days. Please let me know when I can get you. Please let me know when I get back. Please let me know if I need anything else. Please let me know if I can get you a text or text me or text or call me when I can."
+10
Serving Washington, NC and surrounding areas
Approved
Free estimates
Small jobs welcome
Credit card accepted
"Great work, job well done"
Serving Washington, NC and surrounding areas
Approved
Hey there!\nI’m your go-to local handyman in Morehead City and the surrounding areas.\nLeaky faucet, squeaky door, or a bigger project? I’ve got you covered. I show up on time, do quality work, and leave your place cleaner than I found it.\nNo job too small. Just honest, reliable help when you need it.\nLet’s knock out that to-do list!
Serving Washington, NC and surrounding areas
In business since 2025
Free estimates
Warranties offered
"Sam is top-tier and I highly recommend for any of your HVAC needs. 10/10"
Serving Washington, NC and surrounding areas
In business since 2023
Credit card accepted
Offers commercial services
"They came in and found the problem quick and was able to make the needed repair. They were honest and professional and done the work for a more than reasonable price! Will be my go to heating and air people from here on out!ð"
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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