Serving Semmes, AL and surrounding areas
Approved
In business since 2003
Free estimates
Warranties offered
"This is the best air conditioning company that I’ve dealt with. Very professional and friendly. Prompt and super work. Performed the work exactly as estimated. Good crew. Friendly and knowledgeable. Definitely recommend."
Serving Semmes, AL and surrounding areas
Approved
Super Service Award Winner
In business since 2000
Free estimates
Warranties offered
"I recently had A/C work done by One Heating & Air, and I couldn’t be more pleased with the experience. From start to finish, the service was professional, efficient, and top quality. They quickly diagnosed the issue, explained everything clearly, and had my system up and running in no time. Not only was the work done flawlessly, but they also left the area clean and tidy. What impressed me most was their honesty and attention to detail. They didn’t try to upsell unnecessary parts or services – just honest work at a fair price. My home is now cool and comfortable again, and I’m so grateful for their expertise. I highly recommend One Heating & Air Service Tec Brad to anyone needing A/C repairs or maintenance. Truly a five-star experience!"
+22
Serving Semmes, AL and surrounding areas
Approved
In business since 2025
Free estimates
Credit card accepted
"They did such a great job! Very professional and the work was top notch. Very reasonable pricing as well."
Serving Semmes, AL and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
"He was awesome! Did extra work for me that your traditional HVAC company wouldn't do to get us up and running. Saved us from having to call a carpenter before we could fix the problem. I now have signed up for maintenance contract with him. I highly recommend him to anyone!"
Serving Semmes, AL and surrounding areas
Approved
I take pride in providing excellent HVAC service and installation with a strong focus on quality, reliability, and customer satisfaction. Every job is done with attention to detail, using the proper equipment, correct installation methods, and honest recommendations to ensure long-lasting performance. Whether it is a new system installation, repair, or routine maintenance, I make sure the work is completed efficiently and professionally. My goal is to keep every customer comfortable while delivering dependable service they can trust.
Serving Semmes, AL and surrounding areas
In business since 2006
Emergency services offered
Credit card accepted
"It went really well. I called them about some units at my beach house and they came out the same day (about four hours after I called them). They performed a tune-up on all my air conditioning units. They found nothing wrong, but I noticed that the units seem to run better and blow colder now."
Serving Semmes, AL and surrounding areas
In business since 2024
Free estimates
Emergency services offered
"Blake did a great job. I have already hired him to do a few more projects for me."
Serving Semmes, AL and surrounding areas
In business since 2022
Free estimates
Emergency services offered
"Was the best experience I’ve ever had with an hvac company they’re really nice and very professional this is definitely my go to company! Thank you so much guys!"
+7
Serving Semmes, AL and surrounding areas
In business since 2023
Free estimates
Emergency services offered
"Josh Hall did an amazing job and highly recommend him. He was very professional on time and cleaned up everything behind himself"
+11
Serving Semmes, AL and surrounding areas
In business since 2010
Free estimates
Emergency services offered
"He did an excellent job!. Heater works great, now!"
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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