Serving Riverdale, 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 Riverdale, 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 Riverdale, 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 Riverdale, IL and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"The man that came out was prompt . He fixed the problem for a fair price.i had a guy come out before him and he told me I needed a new system. It didnâ t make sense because my air system was just installed in 2018. I appreciate his accuracy identifying the problem. I have already reffered him to others"
Serving Riverdale, IL and surrounding areas
Approved
Super Service Award Winner
In business since 1998
Emergency services offered
Warranties offered
"Amer Talla is the best! He knows the industry, he is an expert HVAC person all-around. Actually, he is a general contractor. He diagnosed the problem, provided a detailed solution, and was the consummate professional. He is not just the expert you should call because he is knowledgeable and professional, BUT he is thorough. You can tell he loves what he does and he cares about his customers. He’s the one I will call for future maintenance and anything else HVAC-related. I highly recommend him!"
+9
Serving Riverdale, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2007
Free estimates
Customers say: True professional
"Edward responded immediately to my request for a quote for central air AC replacement through Angi. He remained very responsive and communicative throughout the process. I decided to go with his company because he seemed trustworthy and I didn't feel like I was being taken advantage of as a woman consumer. He was even able to secure an equipment upgrade for me free of charge. I will definitely work with Orcasitas Comfort in the future!"
Serving Riverdale, IL and surrounding areas
Approved
In business since 2014
Free estimates
Emergency services offered
"Zach was very Professional and Knowledgeable. He was able to find and fix the problem on my 28 year old air conditioning system. And he also work with me on pricing. He was very reasonable!! Great Job!!"
+10
Serving Riverdale, IL and surrounding areas
Approved
In business since 2017
Free estimates
Warranties offered
"My service tech Marvin got my air back working when it went out on those very hot days and for a really good price!!"
+24
Serving Riverdale, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Emergency services offered
Warranties offered
"I needed the refrigerant in my HVAC system refilled and Juliano and Richard were quick to respond and very professional. They inspected the system and completed the job in one day. Very satisfied with work performed."
+6
Serving Riverdale, IL and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
Family-Owned. Community-Trusted. Comfort Delivered. Rams Mechanical Heating & Cooling - for Home and Business. We're more than just an HVAC company - we're your neighbors. WE OFFER 0% APR FINANCING!\n\nWe look forward to building a lasting relationship and guarantee your satisfaction!\n
+1
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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