Serving Thornton, IL and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"The repairman was on time, professional, and efficient. My central air conditioner was back in service within an hour. I would hire him again."
Serving Thornton, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2002
Free estimates
Warranties offered
"Andrew and his assistant were very professional in their approach to cleaning our air ducts and dryer vent. The services they provided were totally consistent with how they describe their approach to the service they provide. This included the very helpful before and after pictures taken which would convince anyone of the need to have this work performed in their homes."
+81
Serving Thornton, IL and surrounding areas
Approved (Corporate)
In business since 1971
Free estimates
Emergency services offered
"We had a great experience with Four Seasons Heating & Air Conditioning during our recent replacement of our furnace and AC unit. They were very professional and completed the job on time and answered all of my questions. Would recommend them for our Heating, Air Conditioning, Plumbing and Electrical needs."
Serving Thornton, IL and surrounding areas
Approved
In business since 2017
Free estimates
Warranties offered
"I Highly recommend Mr Wooten! He is always professional, reliable, and he provides excellent service. Honest work, fair pricing, and someone you can trust. If you need HVAC service, give him a call, you won’t regret it!!!"
+24
Serving Thornton, IL and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"Rams installed a gas furnace and A/C at two of our properties. They are very professional, they take the time to explain the work being done, complete the work in a timely manner and were very easy to get in touch with during the process. We were so happy with the work done and we recommend Rams to everyone that is in need of HVAC work."
+1
Serving Thornton, IL and surrounding areas
Approved
In business since 2001
Free estimates
Emergency services offered
50/50 General Contractor Limited 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
Serving Thornton, IL and surrounding areas
Approved
In business since 2014
Free estimates
Emergency services offered
"Best customer service ever! Very helpful! Was able to fix air conditioner right away. I will go here for all my future maintenance or repair issues!"
+1
Serving Thornton, IL and surrounding areas
Approved
In business since 2019
Free estimates
Credit card accepted
ALI Electric is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!
Serving Thornton, IL and surrounding areas
Approved
In business since 2002
Small jobs welcome
Offers commercial services
We are dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company is built on honesty and integrity. We specialize in central A/C and cooling systems as well as heating and furnace systems. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. \n
Serving Thornton, IL and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
Marcus Mechanical is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you! \n
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.