
Serving Lake Mary, FL and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"The unit is without odor and the air seems to be cooler."





+16


Serving Lake Mary, FL and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"The unit is without odor and the air seems to be cooler."





+16

Serving Lake Mary, FL and surrounding areas
Approved
In business since 2014
Free estimates
Warranties offered
"Very experienced crew! I was so concerned that I have to pay a huge amount for replacing the compressor of the AC but I feel so fortunate and thank my Uncle for contacting Orlando Air Conditioning Experts who charged a very reasonable cost for it."





+2

Serving Lake Mary, FL and surrounding areas
Approved
In business since 1994
Warranties offered
Credit card accepted
"I highly recommend to anyone in the Longwood or greater Orlando area Matthew Roberts Air Conditioning. They are an exceptional company that provides exemplary service. I recently had them install a new Trane air conditioning system and I was completely satisfied with the installation and service they provided. They are a family run business and you could tell they genuinely care about putting the customer first. Since replacing an air conditioning system is one of the biggest expenses homeowners face, I had several concerns going into the process and they made it a point to address all of my concerns and you could tell they wanted me to be happy at the end of the day. They didn’t try to upcharge me into anything I didn’t need as other companies did. My wife even commented that Luke Roberts didn’t seem like the other pushy salesmen we interviewed and was focused on doing what was needed. At the end of the day, I am thankful I trusted Matthew Roberts Air Conditioning with my new investment."

Serving Lake Mary, FL and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"Overall, Mike and his team at Air 1 did a fantastic job! No bait and switch games. Theu have swapped out my 3 tons hestpump condenser and air handler. Professional installation from start to finished. I would highly recommend them!"





+3

Serving Lake Mary, FL and surrounding areas
Approved
In business since 1988
Free estimates
Emergency services offered
"Carl was professional, answered my many many questions politely & to me so I understood.
I would hire this company again. I did sign a maintenance care for this air conditioner. We need it. We can't be without air & heat.
Special is worth fee. It will save us many dollars in future.
"





+26

Serving Lake Mary, FL and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
"They are the best a/c cooling in Florida and quick response time coming to fix my a/c. Excellent service"





+4

Serving Lake Mary, FL and surrounding areas
Approved
In business since 2003
Emergency services offered
Warranties offered
"Service One has been wonderful to work with, both for our plumbing and air conditioning matters. Our A/C had 3 leaks in it, and Duke Energy failed to cover these damages despite the fact I had purchased a coverage plan with them. ServiceOne gave me a great quote and our technician Otto was super knowledgeable, personable and all around a great person whom we felt very confident with. I received another quote from Ferran that was nearly $1,000 more than what ServiceOne quoted, and for a unit that wasn't as efficient. The A/C is working great, they have a great warranty plan for it, and have always been very timely in returning calls in the past. Highly recommend them if you're looking for a good company that is trustworthy and will take their time to talk to you."





+2

Serving Lake Mary, FL and surrounding areas
Approved
In business since 1992
Free estimates
Emergency services offered
"It went great. I worked with Mike and he was more than helpful. I was always able to get in touch with him with any questions and he was honest and informative. I would definitely recommend Mike and Service Star for anyone's air conditioning service or installation."





Serving Lake Mary, FL and surrounding areas
Approved
Super Service Award Winner
In business since 2000
Free estimates
Emergency services offered
"This company is top notch. They did a two system retrofit in my home with 5 ton and 3 ton communicating Amana products. It started off with Wes the owner coming on a Saturday to have a look at the job and his recommendations and price. He really seemed like he knew what he was doing and was knowledgeable. Well it turned out to be true. The proposal was fair and he had the best price by far for this type of system. Then the actual install took place. The installers were prompt and the install was very clean looking. They were very careful in my house as they had to get one of the air handlers out and into the attic space on the second floor. When they were finished you wouldn't even know they were there, they left the place so clean. They showed me the work they had done and explained the thermostat settings to me. Overall I am 100% satisfied. Would highly recommend the Amana products and Wesley Whitson. The air conditioning itself is amazing as well. Quiet and comfortable."





+15

Serving Lake Mary, FL and surrounding areas
Approved
In business since 1992
Free estimates
Emergency services offered
"I originally called my regular service company to come out and look at my ac and they told me I had a bad compressor and should replace my 7 year old system. I called Prestige for a 2nd opinion, and they said my compressor was not the problem. They also told me that my system was still under the manufacturers warranty. They repaired my system for under $300. I will definitely be calling them if I have a problem in the future."





+16
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.
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