Serving Marion, NC and surrounding areas
Approved
In business since 2001
Free estimates
Emergency services offered
"We appreciate their promptness and their honesty!"
+4
Serving Marion, NC and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Customers say: True professional
"Excellent. I will definitely hire them again. They were punctual and found two more holes that needed to be replaced. They moved furniture out of the room, did the repair and cleaned up when they were done."
+33
Serving Marion, NC and surrounding areas
Approved (Corporate)
In business since 2012
Free estimates
Emergency services offered
"It was a Sunday and I didn't want to be with the main valve shut off another day again because I wrecked my shower, long story....so I was grateful someone came. The first, Alejandro saw this was way out of his league.. This needed the master plumber who was very experienced and efficient and he brought everything back to normal. Thank you for helping. I appreciated his skill and knowledge he learned from observations, and doing it wrong once, as I can commiserate. Price? Just a bit over what I figured it might cost...but it was Sunday morning and I needed a lesson taught about blindly following an AI bot. Rick G North Carolina"
Serving Marion, 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 Marion, 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 Marion, NC and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"The Team was very professional and respectful of us, our dogs and property and did a great, efficient and very clean job ! Thank you !"
+17
Serving Marion, NC and surrounding areas
Approved
In business since 2017
Emergency services offered
Warranties offered
"They are polite, kind, walked us through every step and their prices are exceptional."
+10
Serving Marion, NC and surrounding areas
Approved
In business since 2025
Free estimates
Credit card accepted
"Certainly the best of 3 I tried. All charged a diagnostic fee but Bullman was the only one worth it. Greg is a Knowledgable professional that actually made sense! Explained it all in a way even I understood. Like a breath of fresh air after the previous two companies. Will hire again for sure!"
Serving Marion, NC and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
Hello my name is Solo. I’ve been in Heating and Air Conditioning since late 2019-20. \nI’ve always been a hands on person. I fell in love HVAC because of the nonstop learning. The joy of helping people feel comfortable in their homes with the worst of conditions makes feel happy. \n\nI do all my work with full transparency. No hidden fees or charges. Integrity fully attached at all times. Quality all around the board.
Serving Marion, NC and surrounding areas
Approved
Free estimates
Credit card accepted
Customers say: Quality work
"It was great. They showed up time and did what they said they're going to do."
+17
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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