Serving Shelby, AL and surrounding areas
Approved
In business since 2001
Free estimates
Credit card accepted
"First rate sale and expedient service is the hallmark of my experience with Billy Don's Air."
Serving Shelby, AL and surrounding areas
Approved
In business since 2005
Emergency services offered
Warranties offered
"... air quality has been on my â  todoâ  list for awhile. I am looking forward to the results of a clean system."
Serving Shelby, AL and surrounding areas
Approved
In business since 1997
Free estimates
Credit card accepted
"Landrums Heating and Cooling was very professional and they are respectful, very knowledgeable. Audra saved he a lot of money by being honest by repairing my HVAC UNIT when other companies wanted to replace it."
+2
Serving Shelby, AL and surrounding areas
Approved
In business since 2023
Free estimates
Credit card accepted
"They were incredible to work with! So accommodating and respectful. I don?t know much about ac since my husband passed away and the helped every step of the way. From answering questions I didn?t know to recommending me what would work best in my area. I would recommend them to anyone who needs any HVAC services done! They really are the best. Thank you so much J+J DUCT SOLUTIONS."
Serving Shelby, AL and surrounding areas
Approved
Free estimates
Credit card accepted
Offers commercial services
We invite you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality workmanship will accurately reflect your taste and lifestyle. From conception to completion, we work with you until the job is done. We are ethical, honest, and easy to communicate with.\n\nCall us today you'll be pleased you did. Thank you
Serving Shelby, AL and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
A4 Residential and Commercial Maintenance LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.\n
+1
Serving Shelby, AL and surrounding areas
Approved (Corporate)
In business since 2014
Free estimates
Emergency services offered
At Dunn's Heating, Cooling, Plumbing, and Electrical, we know how hard it is to find a Dependable company you can trust. The time-consuming effort can be frustrating and overwhelming. We believe what matters is getting back to whats important to YOU, so we provide dependable service Dunn right! Dunn's Heating, Cooling, Plumbing, and Electrical is built upon honesty, integrity, and trust. \n\nWe are your local choice for all your HVAC repair, installation, and service needs. We are proud to serve Anniston and Pelham, AL, as well as the surrounding cities. We are family-owned and also family-operated. As a local business, we care about and are invested in the well-being of our community and its future.
Serving Shelby, AL and surrounding areas
Approved
In business since 2019
Free estimates
Warranties offered
Our reliable team of experts will tackle everything on your to-do list, including home maintenance, repair, and improvement projects. Each one of our service technicians brings over 15 years of experience and are direct company employees - no subcontractors. Locally operated with offices in Mountain Brook and backed by the standards of the nation's top handyman - all work is backed by our Done Right Guarantee!
+90
Serving Shelby, AL and surrounding areas
In business since 2010
Free estimates
Emergency services offered
"We received a prompt reply from the company and in a few hours, a technician came to the house. He was able to get the part and complete the work the same day - very efficient. The price was reasonable. It was very cold that week and we appreciated the quick service repairing our heater."
+24
Serving Shelby, AL and surrounding areas
In business since 2014
Free estimates
Credit card accepted
"Quick fix for the professional and he worked diligently on it and got our air back working. He was even nice enough to walk around our white living room carpet with his boots."
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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