O'Fallon, Belleville, Trenton
(618) 416-0111

Central Air Conditioners Consist Of

O' Fallon to Edwardsville to Columbia

Heating & Cooling Services

*Free Installation Estimates  *Certified Technicians  *EPA Certified

July 8, 2019

Central Air Conditioners Consist Of

Central air conditioners, or ACs, have two separate pieces, the condenser, and the evaporator. The condenser system is generally located outside the house on a concrete platform. The evaporator coil is installed in the plenum or main duct junction above the heater.

A lot of central air conditioning conditioners are connected to a home's forced-air circulation system. Hence, the very same motor, blower, and ductwork used for heating are utilized to disperse cool air from the air conditioning system. When a central air conditioner is running, hot air inside the house streams to the furnace through the return-air duct. The hot air is passed by the blower through the cooled evaporator coil in the plenum and is then distributed through air ducts to cool your home. If the air conditioning system works but the house does not cool, the problem is presumably in the circulation system.

The evaporator and the condenser are sealed. For that reason, you will want to call an expert, Call us here at Home Heating & Cooling, for any maintenance, repairs, installations, or regular cleaning. Central air conditioners need to be expertly inspected and adjusted before the start of every cooling season. Nevertheless, don't let your maintenance end with this yearly examination. While there aren't many AC repairs you can perform yourself, there are particular maintenance procedures you can do to maintain your system operating at peak performance.

Warning: Before working with an a/c system, make sure the power to the entire system, including the condenser and to the evaporator assembly, is shut off.

O'Fallon HOME Heating & Cooling is your leading provider of HVAC services, including home air conditioner installs and repairs, along with furnace installs and repairs. Give us a call at (618) 416-0111 or fill out our contact form. We serve customers in the St. Louis area including the Metro East Illinois from O'Fallon IL to Edwardsville IL to Columbia IL , all nearby areas.

Discounts Offered

Annual Maintenance Program


Our most comprehensive maintenance package. Annual and Monthly plans available. 


Taking care of our fellow next-door-neighbor is a fundamental element of our HVAC business. We understand that several of our local senior citizen neighbors may be on a fixed income. We are happy to offer a 5% discount to any senior living in O'Fallon, IL, and the surrounding St. Louis Metro East Area. * Trip charges, any other agreement discounts on repairs, terms and conditions may apply.

Military & Veterans Discount

Being a veteran family-owned and operated company that offers new installation, repairs, maintenance, and service of all air conditioning and heating systems in O'Fallon, IL and the St. Louis Metro East for residential and commercial customers. We take pride in our work and offer a 10% discount to all active-duty military and veterans. * Trip charges, any other agreement discounts on repairs, terms and conditions may apply.


All current First Responders 10% discount. * Trip charges, any other agreement discounts on repairs, terms and conditions may apply.
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«I am beyond impressed and satisfied with the service! I called about my heat and Andrew was at my door within 15 minutes! About 45 minutes later, he had found the problem, fixed it and was on his way! Not to mention the great prices! I won’t be using anyone else for my HVAC needs! If I could give more than 5 stars I would!

Whitney Lowery

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Have an HVAC problem? Fixing it yourself may not be the best idea! 

O’Fallon Air Conditioning & Heating 
Affordable Quality Commercial & Residential HVAC Services
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Call for help from a licensed, bonded and insured HVAC technician. Our O’Fallon air conditioning and heating business has the experience and knowledge required for any HVAC issue. A veteran-owned and operated business backed by 28 years of experience in the heating and air conditioning industry.
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