Serving Calhoun, LA and surrounding areas
Approved
In business since 2013
Free estimates
Credit card accepted
"Was on time, respectful of my home and explained everything so I could understand. Had me back up and going and was reasonably priced."
Serving Calhoun, LA and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
For decades, One Hour Heating & Air Conditioning has been providing quality and reliable HVAC services to homeowners across the country. Our main priority is to provide every one of our customers with honest work and an excellent experience. We adhere to a strict code of ethics, always offer a high level of service, treat customers with honesty and respect, and offer fair prices upfront. Our experienced and skilled technicians design, install, service, and repair HVAC systems and parts in strict accordance with the highest industry standards across the United States. Our team values your time, so we guarantee on-time arrivals.
Serving Calhoun, LA and surrounding areas
Approved
In business since 2012
Free estimates
Credit card accepted
Joshua Plunkett's Plunkett Air and Refrigeration is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
Serving Calhoun, LA and surrounding areas
In business since 2025
Free estimates
Offers commercial services
Rock Bottom HVAC LLC is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!\n
Serving Calhoun, LA and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"Mr. Ferrell first connected his computer to my computer via internet and worked for quite a few hours trying to determine what exactly was wrong. The next day he continued working from his computer for several hours. He determined he would have to have my desktop tower to complete the repair. He and my son met in Huntsville to exchange the tower. He then cleaned up a lot of what was wrong and reloaded Windows 10. He deleted the D: drive which had way too much memory allotted to it. The tower was returned and I plugged it all back together and it is working better than it did when I first purchased it. I would use him again and I recommend him highly to anyone needing computer updating and/or repair. His work is warrantied and he is very personable, knowledgeable, and helpful."
Serving Calhoun, LA and surrounding areas
In business since 2018
Free estimates
Emergency services offered
"Great employees with great attitude. Would recommend this company for HVAC work"
Serving Calhoun, LA and surrounding areas
In business since 2016
Free estimates
Emergency services offered
"The service technicians are great!!! Thanks Owen Clark!"
Serving Calhoun, LA and surrounding areas
In business since 1994
"He has done a really good job."
Serving Calhoun, LA and surrounding areas
In business since 2019
Free estimates
Emergency services offered
"Very happy with their service!"
Serving Calhoun, LA and surrounding areas
In business since 1984
Free estimates
Warranties offered
"Heâ s the best ac guy I know!!!!! Fast cheap and reliable !!!!!!"
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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