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Top 10 heating and cooling installation services in O'Fallon, MO

Porch Pro Headshot Academy Air

Academy Air

Heating and Cooling Installation
Serves O'Fallon, Missouri
(2,959)
Academy Air Heating and Air Conditioning is a full service company in St. Louis MO specializing in both residential and commercial operations. Academy Air is proudly family owned and operated and has been in business for over 40 years. All technicians are fully certified; factory trained and must pa...Read more about Academy Air
Academy Air Heating and Air Conditioning is a full service company in St. Louis MO specializing in both residential and commercial operations. Academy Air is proudly family owned and operated and has been in business for over 40 years. All technicians are fully certified; factory trained and must pa...Read more about Academy Air
Porch Pro Headshot Anton's Air Conditioning and Heating

Anton's Air Conditioning and Heating

Heating and Cooling Installation
Serves O'Fallon, Missouri
As the leading HVAC service provider in St. Louis, Anton’s Air Conditioning and Heating delivers effective solutions to all types of indoor comfort issues. From repairs to installations to routine maintenance services, Anton’s Air Conditioning and Heating does it all. Your heating and cooling system...Read more about Anton's Air Conditioning and Heating
As the leading HVAC service provider in St. Louis, Anton’s Air Conditioning and Heating delivers effective solutions to all types of indoor comfort issues. From repairs to installations to routine maintenance services, Anton’s Air Conditioning and Heating does it all. Your heating and cooling system...Read more about Anton's Air Conditioning and Heating
Porch Pro Headshot Perfect Air

Perfect Air

Heating and Cooling Installation
Serves O'Fallon, Missouri
(1,090)
Perfect Air Heating and Cooling knows the dynamics of air conditioning and heating for residential and commercial and is dedicated to providing our customers with quality service at competitive prices.
Perfect Air Heating and Cooling knows the dynamics of air conditioning and heating for residential and commercial and is dedicated to providing our customers with quality service at competitive prices.
Porch Pro Headshot NPM HEATING & COOLING LLC

NPM HEATING & COOLING LLC

Heating and Cooling Installation
Serves O'Fallon, Missouri
If you are looking for heating and air conditioning services in the St. Louis or St. Charles area, you've come to the right place! NPM Heating and Cooling, works all over St Louis County & St. Charles County. Providing services such as central air conditioning repairs, floor heater replacements, air...Read more about NPM HEATING & COOLING LLC
If you are looking for heating and air conditioning services in the St. Louis or St. Charles area, you've come to the right place! NPM Heating and Cooling, works all over St Louis County & St. Charles County. Providing services such as central air conditioning repairs, floor heater replacements, air...Read more about NPM HEATING & COOLING LLC
Porch Pro Headshot AnC Heating & Cooling

AnC Heating & Cooling

Heating and Cooling Installation
Serves O'Fallon, Missouri
(284)
"AnC replaced my mother-board on my furnace and cleaned it for it's yearly maintenance check. They get my repeat business as they are honest, trustworthy,professional, experienced and always make sure the customer is happy. I highly recommend them. I happy so very glad and relieved I finally fou...Read more about AnC Heating & Cooling
"AnC replaced my mother-board on my furnace and cleaned it for it's yearly maintenance check. They get my repeat business as they are honest, trustworthy,professional, experienced and always make sure the customer is happy. I highly recommend them. I happy so very glad and relieved I finally fou...Read more about AnC Heating & Cooling
Porch Pro Headshot Advantage Air

Advantage Air

Heating and Cooling Installation
Serves O'Fallon, Missouri
(371)
Advantage Air is an electrical contractor in Valley Park. Offering cable wiring and outlet installation as well as other services, they offer 16 years of experience.
Advantage Air is an electrical contractor in Valley Park. Offering cable wiring and outlet installation as well as other services, they offer 16 years of experience.
Porch Pro Headshot West County Heating & Cooling Inc

West County Heating & Cooling Inc

Heating and Cooling Installation
Serves O'Fallon, Missouri
(91)
West County Htg & Clg is a family owned and locally operated heating and air conditioning company serving the area since 1990. Technicians are factory trained and licensed. Services offered is service of any brand equipment, installation of new heating and cooling systems as well as geothermal syst...Read more about West County Heating & Cooling Inc
West County Htg & Clg is a family owned and locally operated heating and air conditioning company serving the area since 1990. Technicians are factory trained and licensed. Services offered is service of any brand equipment, installation of new heating and cooling systems as well as geothermal syst...Read more about West County Heating & Cooling Inc
Porch Pro Headshot Siefert Mechanical

Siefert Mechanical

Heating and Cooling Installation
Serves O'Fallon, Missouri
(57)
Siefert Mechanical is a professional HVAC company with years of experience in installation and repairs of heating and cooling systems. Let us show you how our company can help you save money while keeping complete comfort in your home today!
Siefert Mechanical is a professional HVAC company with years of experience in installation and repairs of heating and cooling systems. Let us show you how our company can help you save money while keeping complete comfort in your home today!
Porch Pro Headshot High Ridge Heating & Cooling

High Ridge Heating & Cooling

Heating and Cooling Installation
Serves O'Fallon, Missouri
Is your AC or heating unit on its last leg? Do you need HVAC services before the seasons change? Rely on the experts at High Ridge Heating & Cooling for all of your heating and cooling needs. We offer complete HVAC service and installation for both residential and commercial properties. Our HVAC ser...Read more about High Ridge Heating & Cooling
Is your AC or heating unit on its last leg? Do you need HVAC services before the seasons change? Rely on the experts at High Ridge Heating & Cooling for all of your heating and cooling needs. We offer complete HVAC service and installation for both residential and commercial properties. Our HVAC ser...Read more about High Ridge Heating & Cooling
Porch Pro Headshot Wolfmeier Heating and Air Conditioning, INC

Wolfmeier Heating and Air Conditioning, INC

Heating and Cooling Installation
Serves O'Fallon, Missouri
(27)
Family owned and operated since 1978. Install New Residential systems and Replacement of old systems, furnace, air conditioners, humidifiers, air cleaners and duct work. We custom make all of our own duct work. You can order specialized pieces of duct work. Licensed in St. Louis County and Jeffers...Read more about Wolfmeier Heating and Air Conditioning, INC
Family owned and operated since 1978. Install New Residential systems and Replacement of old systems, furnace, air conditioners, humidifiers, air cleaners and duct work. We custom make all of our own duct work. You can order specialized pieces of duct work. Licensed in St. Louis County and Jeffers...Read more about Wolfmeier Heating and Air Conditioning, INC

Costs to install air conditioning

$4186 - $4967
O'Fallon, MO average
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Top questions to ask before hiring a heating and cooling company

A professional will assist you with scope and estimates, but having a clear idea of what you want to accomplish will help communication.

Do you want professionals to do everything, or do you have the time and skill to do some of the work?

Many projects such as have a DIY component, such as painting or cleanup.

First and foremost, protect yourself and make sure the contractor and any sub-contractors are licensed, bonded and insured.

Recent reviews for O'Fallon heating and cooling installation services

69443

Great experience. Michael found the issue quickly and got me going. He also did some stuff to prevent any future problems. Glad they responded and thankful it was so quickly!!

- John Layton
26104

Wolfmeier heating/ac are really the best people. They keep the it appointments on time and give a good price for the job. Everyone is very friendly and very good to deal with.

- Judy Steyh

All Heating and Cooling Companies in O'Fallon, MO

Porch Pro Headshot NRG Mechanical LLC

NRG Mechanical LLC

Heating and Cooling Installation
Serves O'Fallon, Missouri
NRG Mechanical is an HVAC contractor founded in 2001 that provides Saint Charles with water heater installation and gas pipe installation as well as other services. They are accredited by the Better Business Bureau.
NRG Mechanical is an HVAC contractor founded in 2001 that provides Saint Charles with water heater installation and gas pipe installation as well as other services. They are accredited by the Better Business Bureau.
Porch Pro Headshot T M Weir Heating & Cooling

T M Weir Heating & Cooling

Heating and Cooling Installation
Serves O'Fallon, Missouri
Our story of giving customers superior heating and cooling service began in 1983 when Tim and Barbara Weir started repairing family members and friends' HVAC systems out of their garage. News of the Weir's efficiency soon spread and they opened a small shop in town that attracted many local customer...Read more about T M Weir Heating & Cooling
Our story of giving customers superior heating and cooling service began in 1983 when Tim and Barbara Weir started repairing family members and friends' HVAC systems out of their garage. News of the Weir's efficiency soon spread and they opened a small shop in town that attracted many local customer...Read more about T M Weir Heating & Cooling
Porch Pro Headshot Crabtree Heating & Cooling LLC

Crabtree Heating & Cooling LLC

Heating and Cooling Installation
Serves O'Fallon, Missouri
Crabtree Heating and Cooling is a three generation, Family owned and operated business serving St. Louis County, St. Charles County and Lincoln County and its surrounding municipalities for over 20 years. We value and appreciate the trust placed in us by our customers! Whether your project is big o...Read more about Crabtree Heating & Cooling LLC
Crabtree Heating and Cooling is a three generation, Family owned and operated business serving St. Louis County, St. Charles County and Lincoln County and its surrounding municipalities for over 20 years. We value and appreciate the trust placed in us by our customers! Whether your project is big o...Read more about Crabtree Heating & Cooling LLC
Porch Pro Headshot ALPHA Heating & Cooling

ALPHA Heating & Cooling

Heating and Cooling Installation
Serves O'Fallon, Missouri
(2)
Porch Pro Headshot Cardinal Service and Installation

Cardinal Service and Installation

Heating and Cooling Installation
Serves O'Fallon, Missouri
An HVAC company with over 25 years of experience! We provide exceptional service day or night for all of your emergency needs! And in addition we do installation and repair of food and appliance equipment! Servicing Warren, St. Charles, Lincoln and St. Louis counties!
An HVAC company with over 25 years of experience! We provide exceptional service day or night for all of your emergency needs! And in addition we do installation and repair of food and appliance equipment! Servicing Warren, St. Charles, Lincoln and St. Louis counties!
Porch Pro Headshot The English Property Maintenance Company, LLC

The English Property Maintenance Company, LLC

Heating and Cooling Installation
Serves O'Fallon, Missouri
The English Property Maintenance Co LLC was created over 20 years ago to deliver the kind of service you want, and should expect from any professional service company and contractor. We will simply never do work that does not need doing! Our extremely competitive daily rates are up to $137 pe...Read more about The English Property Maintenance Company, LLC
The English Property Maintenance Co LLC was created over 20 years ago to deliver the kind of service you want, and should expect from any professional service company and contractor. We will simply never do work that does not need doing! Our extremely competitive daily rates are up to $137 pe...Read more about The English Property Maintenance Company, LLC
Porch Pro Headshot Aire Serv of Chesterfield

Aire Serv of Chesterfield

Heating and Cooling Installation
Serves O'Fallon, Missouri
Porch Pro Headshot B W Heating & Cooling

B W Heating & Cooling

Heating and Cooling Installation
Serves O'Fallon, Missouri
B W Heating & Cooling is an HVAC specialist that offers HVAC services, humidifier installation, gas line repair and other services. They are based in Saint Louis.
B W Heating & Cooling is an HVAC specialist that offers HVAC services, humidifier installation, gas line repair and other services. They are based in Saint Louis.
Porch Pro Headshot Home Green Home, L.L.C.

Home Green Home, L.L.C.

Heating and Cooling Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Kimbrough Heating and air

Kimbrough Heating and air

Heating and Cooling Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Grand Oaks Heating & Cooling Inc

Grand Oaks Heating & Cooling Inc

Heating and Cooling Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Dawson Dodd

Dawson Dodd

Heating and Cooling Installation
Serves O'Fallon, Missouri
Porch Pro Headshot New Systems Heating and Cooling

New Systems Heating and Cooling

Heating and Cooling Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Rob Works

Rob Works

Heating and Cooling Installation
Serves O'Fallon, Missouri