
Serving Fairfield, 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 Fairfield, 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 Fairfield, AL and surrounding areas
Approved
Warranties offered
Credit card accepted
Offers commercial services
You depend on your HVAC products to keep your home comfortable and your indoor air breathable, and you deserve only the best professionals to take care of those systems.\n\nOur heating and air conditioning service technicians are professionally certified and among the best in the industry. They have the expertise needed to service all makes and models of HVAC equipment, and we supplement their extensive factory training with constant on-the-job professional development.\n\nSince even the best technicians are only as good as their tools, we send ours out with plenty of quality parts and equipment. We're proud to say we have enough materials on hand to finish most service calls in a single visit, and when we need something we don't have in the van, we'll have the part in short order.

Serving Fairfield, AL and surrounding areas
Approved
Warranties offered
Credit card accepted
Offers commercial services
You depend on your HVAC products to keep your home comfortable and your indoor air breathable, and you deserve only the best professionals to take care of those systems.\n\nOur heating and air conditioning service technicians are professionally certified and among the best in the industry. They have the expertise needed to service all makes and models of HVAC equipment, and we supplement their extensive factory training with constant on-the-job professional development.\n\nSince even the best technicians are only as good as their tools, we send ours out with plenty of quality parts and equipment. We're proud to say we have enough materials on hand to finish most service calls in a single visit, and when we need something we don't have in the van, we'll have the part in short order.

Serving Fairfield, AL and surrounding areas
Approved
In business since 1975
Emergency services offered
Warranties offered
"OnTime is good as always. They always do a great job."
Serving Fairfield, 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 Fairfield, 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 Fairfield, AL and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"Plain Air was incredibly knowledgeable, kind and helpful in my repair. They completed my job the next day and were in and out in a couple hours. Highly recommend!"





+10

Serving Fairfield, AL and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
Autumn Air Home Services provides trusted HVAC, plumbing, electrical, and indoor air quality services across Birmingham and surrounding areas. We proudly serve Hoover, Vestavia Hills, Homewood, Mountain Brook, Pelham, and Alabaster. Built on honest recommendations and quality workmanship, we deliver reliable repairs, system replacements, and maintenance services. Our Whole Home Protection Promise focuses on long-term comfort, safety, and efficiency—so homeowners can trust one team for complete home service solutions.





+4

Serving Fairfield, AL and surrounding areas
Approved
In business since 1999
Free estimates
Warranties offered
"Wonderfully and we can't wait to have more work done!"





+15

Serving Fairfield, 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.
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.

Use this guide to budget for appliance installation costs based on factors such as appliance type, installation complexity, labor rates, and more.

Explore how factors such as materials, local labor rates, and the type of damage affect the cost to repair a burst pipe.

Use this guide to learn how much rebar costs per foot so you can budget for your next big home improvement project.

Discover how factors such as linear footage, local labor rates, and trim type affect the total cost of painting baseboards.

Learn how much cat or dog door installation costs based on factors like the door size, material, location, and added features.

Discover how much an electric furnace costs based on factors such as unit size, local labor rates, electrical upgrades, and ductwork condition.