Serving East Alton, IL and surrounding areas
Approved
In business since 2000
Emergency services offered
Credit card accepted
"Brilliant service. Perhaps a few more dollars, but value is more than worth the experience. Tech was helpful, patient, and friendly. They earned a long-term customer."
+14
Serving East Alton, IL and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"A new hvac venture thatâ s starting off great Super customer service at a good price. Solved vexing thermostat issue quickly Arrived within an hour. Experienced and knowledgeable My new hvac first call"
+2
Serving East Alton, IL and surrounding areas
Approved
In business since 1990
Free estimates
Emergency services offered
Your home's plumbing, HVAC, and electrical systems keep your family comfortable and safe. When something goes wrong or you're ready to upgrade, Morrison Plumbing, Heating, Air & Electrical is the Metro East team that delivers same-day service, upfront pricing, and work you can count on.\n\nWe serve Caseyville and surrounding communities through hot, humid summers and cold Illinois winters. Our technicians are licensed, insured, and trained to repair and install heating, cooling, plumbing, and electrical systems so your home stays reliable year-round.
+6
Serving East Alton, IL and surrounding areas
Approved
In business since 2000
Warranties offered
Small jobs welcome
"Very well. Removed debris from gutters and checked that all downspouts were clear."
+5
Serving East Alton, IL and surrounding areas
Approved
Customers say: True professional
Home repairs, electric, plumbing, remodeling, flooring, masonry, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!
Serving East Alton, IL and surrounding areas
Approved
In business since 1963
Free estimates
Warranties offered
For more than 60 years, ARCO Heating & Cooling has been the local HVAC company that residents and businesses turn to for their heating and cooling needs. What began as a small business has grown into a cornerstone of the St. Charles, St. Louis, & Illinois communities, providing dependable service designed to keep our neighbors comfortable year-round. As a family-owned, local HVAC company, we’re more than just a service provider—we’re part of the community. We live and work right here in the St. Charles, St. Louis, & Illinois Metro areas, so we understand the unique climate challenges our neighbors face. This local connection fuels our dedication to providing personalized service and dependable solutions that make life easier for our customers.
+20
Serving East Alton, IL and surrounding areas
Approved
In business since 2012
Free estimates
Credit card accepted
C-MAC Development, LLC offers quality services to clients at reasonable prices. Our courteous staff has the professional tools and experience necessary to help with all your needs. We specialize in interior and exterior painting, kitchen and bath remodels, flooring, window installations, fences and decks. Call today to get in touch with our staff, and to learn more about what we have to offer!
Serving East Alton, IL and surrounding areas
Approved
My name is Richard Keen I do basic lawncare services mowing weed eating I also do a little painting I specialize in municipality ordanice violations
Serving East Alton, IL and surrounding areas
In business since 1999
Free estimates
Emergency services offered
"Went OK. Got a call later re how I felt they did job. Told person "how can I tell?" I cannot see in duct-work. Was told by my air conditioning/furnace person that usually the duct cleaners take pictures while cleaning and show customer. I did not see or was not offered that opportunity."
Serving East Alton, IL and surrounding areas
In business since 1995
Free estimates
Emergency services offered
"Repaired our humidifier. Very professional, will definitely use them again."
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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