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Top-Rated Air conditioning pros in Silex - Updated Nov 2026

Avatar for MENNE HVAC & ELECTRIC
MENNE HVAC & ELECTRIC
5.0(
7
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+4 more

Serving Silex, MO and surrounding areas

Approved

In business since 1976

Free estimates

Credit card accepted

Since 1976, Menne’s HVAC & Electric has been a cornerstone in the community, providing top-notch HVAC and electrical services. Founded by Dale W. Menne, our family-owned business has grown through generations, maintaining our commitment to quality craftsmanship, reliable service, and a family-oriented experience.

Project Photos
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19 neighbors recently requested a quote
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Avatar for Chowning Heating & Cooling
Chowning Heating & Cooling
4.2(
35
)
Central A/C - InstallCentral A/C - Install - For BusinessDuctless Mini-split A/C - Install or Replace

Serving Silex, MO and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"The workers arrived prior to the scheduled appt. which really worked for me. I'm pleased with the manner in which they performed the installation of the central air conditioning system. They were courteous and professional."
Response time2 days
Response rate100%
11 neighbors recently requested a quote
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Avatar for Show-Me Comfort LLC
Show-Me Comfort LLC
5.0(
5
)
Central A/C - InstallCentral A/C - Service or RepairCentral Humidifier - Install or Replace+5 more

Serving Silex, 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.

16 neighbors recently requested a quote
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C-MAC Development, LLC
New to Angi
Central A/C - InstallCentral A/C - Service or Repair

Serving Silex, MO 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!

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Avatar for Empire stone & hardscape
Empire stone & hardscape
New to Angi
Outdoor Mist Cooling System - InstallOutdoor Mist Cooling System - Service or Repair

Serving Silex, MO and surrounding areas

Approved

Free estimates

🏗️ Empire Stone & Hardscape\n🧱 Paver Patios • Retaining Walls • Walkways\n🔥 Fire Pits • Outdoor Living • Landscaping\n💪 15+ Years of Experience\n📍 Serving Wentzville & Surrounding Areas\n⭐ Quality Work. Built to Last.\n📲 Message us today for a FREE estimate!

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Avatar for Triplett Mechanical Services
Triplett Mechanical Services
4.9(
35
)
Central A/C - Install - For BusinessCentral A/C - Service or Repair - For Business

Serving Silex, MO and surrounding areas

In business since 1995

Free estimates

Emergency services offered

"Very good, extremely fast reacting and took great care of me and also my heat went out a week after he put my air conditioning in and they came right out and figured out that it was my thermostat and fixed it really quickly for me."
Response time10 hrs
Recommended by94%of homeowners
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Avatar for Air Scrubbers Air Duct Cleaning LLC
Air Scrubbers Air Duct Cleaning LLC
3.9(
332
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Silex, MO and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"It ended up in a $500 deal.  They ended up finding mold in the air return so they ended up doing mold remediation and then they found more and I told them to just go ahead and do what needs to be done.  They seemed like they tried to up sell me a little bit. "
Recommended by77%of homeowners
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FAQs for air conditioning projects in Silex, MO

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.

The Silex, MO homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.

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