
Serving Eldon, MO and surrounding areas
Approved
In business since 2019
Free estimates
Customers say: Quality work
"Prompt service needed new furnace and A/C got it done within 26 hours"


Serving Eldon, MO and surrounding areas
Approved
In business since 2019
Free estimates
Customers say: Quality work
"Prompt service needed new furnace and A/C got it done within 26 hours"

Serving Eldon, MO and surrounding areas
Approved
In business since 1958
Emergency services offered
Warranties offered
"1130 am discovered in-op fan on outside a/c unit. called it in to office 1135 am on a saturday.they were here to a rural home and repaired it and gone in 2 1/2 hrs pretty good for a weekend call!!!
"


Serving Eldon, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Emergency services offered
"Great all-around service! Annual service on air conditioner & customer service was great. Very professional."




Serving Eldon, MO and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"We were impressed they would travel to Lebanon, MO. They did an assessment of the Duct Cleaning and installation of a, iWave-R and gave us fair quote. Arrived promptly on the day of service. Explained what was to be done, approximate amount of time needed and it was all as stated. I was also appreciate of the assistance given to move a two larger items from under the vents. Would resoundingly recommend!"





+2

Serving Eldon, MO and surrounding areas
Approved
Hello, My Name is Johnathan Steele, Owner Operator of Show-Me Comfort Heating and Air Conditioning. I started my company with the intent to help and show transparency to my customers and to educate them to the best of my abilities on the system that keeps their Home Comfortable. Most Companies will come in to a house fix the issue then leave… That’s where we try and separate ourselves by finding the culprit, educating our customers on why it happened and how to prevent future problems. \n\nWe at Show-Me Comfort Heating and Air Conditioning take pride in our work, and if we wouldn’t do it in our house we wouldn’t do it to yours.

Serving Eldon, MO and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"I was immediately called by Commercial and Home Services Unlimited minutes and within an hour and a half there at my house. Charles was very professional and asked what work I was wanting to get done. Job was completed and approximately 2 to 3 hours and Charles came in and explained every question I had and explained what he had done which was replaced drain shoe pipe and and other pipes leading out to the air vent and waste line. I was very pleased with punctuality communication and professionalism. Charles insured if there was any problems I could call him and he would be back to take care of any problem. I couldn't be happy the way things worked out"

Serving Eldon, MO and surrounding areas
Approved
Free estimates
Warranties offered
Small jobs welcome
I’m a veteran owned company, est. 1983, comment, residential. We design build all electrical, custom lighting, restaurant equipment, walk-in coolers , freezers and cook lines. Heating and cooling, roof top units, split systems, mini splits and swamp coolers.

Serving Eldon, MO and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
Show-Me Natives Landscape and Design is a landscaping business concentrating on our pollinators with the installs of Native plants. We have the experience to design, prepare, and build your outdoor oasis from your garden to retaining walls, walkways, and patios.

Serving Eldon, MO and surrounding areas
In business since 2000
Free estimates
Credit card accepted
"Excellent job, professional, considerate of my time. I already notice less dust bunnies due to my cleaner air.
"

Serving Eldon, MO and surrounding areas
In business since 2006
Emergency services offered
Credit card accepted
"Prompt and very professional. Being in a newly purchased home, we were unsure of the condition of the furnace, they were very thorough with their inspection and answered any questions we had. They were great!
"





+5
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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