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

Porch Pro Headshot Academy Air
Heating and Cooling
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 Perfect Air
Heating and Cooling
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
Heating and Cooling
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 Air Excellence
Heating and Cooling
Serves O'Fallon, Missouri
(374)
Air Excellence Heating & Cooling is one of the leading service providers for your HVAC needs serving the greater St. Louis area. Our company is a local, woman-owned business devoted to serving residential clients throughout the St. Louis area. Our dedication to providing quality service comes all th...Read more about Air Excellence
Air Excellence Heating & Cooling is one of the leading service providers for your HVAC needs serving the greater St. Louis area. Our company is a local, woman-owned business devoted to serving residential clients throughout the St. Louis area. Our dedication to providing quality service comes all th...Read more about Air Excellence
Porch Pro Headshot AnC Heating & Cooling
Heating and Cooling
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 Future Aire
Heating and Cooling
Serves O'Fallon, Missouri
(134)
Future Aire was founded in 1984, known for being the Home Town Heating & Cooling Specialist. Family owned and operated, with the same owner and name for over 30 years. Performing over 80000 service calls with an A+ BBB Rating (Better Business Bureau).
Future Aire was founded in 1984, known for being the Home Town Heating & Cooling Specialist. Family owned and operated, with the same owner and name for over 30 years. Performing over 80000 service calls with an A+ BBB Rating (Better Business Bureau).
Porch Pro Headshot Reliable Heating & Cooling
Heating and Cooling
Serves O'Fallon, Missouri
(100)
If you are looking for a repair company to service your furnace, air conditioner, or water heater, or if you are in search of the right contractor to install an entirely new HVAC system or water heater for your home, then search no further! Reliable Heating & Cooling is committed to providing you wi...Read more about Reliable Heating & Cooling
If you are looking for a repair company to service your furnace, air conditioner, or water heater, or if you are in search of the right contractor to install an entirely new HVAC system or water heater for your home, then search no further! Reliable Heating & Cooling is committed to providing you wi...Read more about Reliable Heating & Cooling
Porch Pro Headshot West County Heating & Cooling Inc
Heating and Cooling
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 Hampton Heating & Cooling
Heating and Cooling
Serves O'Fallon, Missouri
(27)
Hampton Heating and Cooling LLC is a family owned business that operates 24 hours a day. We repair and replace any items that pertain to heating, cooling and refrigeration. Repair and replace heating and cooling equipment, from furnaces, evaporators, condensers, washers, dryers and hot water heater...Read more about Hampton Heating & Cooling
Hampton Heating and Cooling LLC is a family owned business that operates 24 hours a day. We repair and replace any items that pertain to heating, cooling and refrigeration. Repair and replace heating and cooling equipment, from furnaces, evaporators, condensers, washers, dryers and hot water heater...Read more about Hampton Heating & Cooling
Porch Pro Headshot Taylor & Sons
Heating and Cooling
Serves O'Fallon, Missouri
WE are a family based business you can trust to do work at your home. What ever you need, we can help you make more quality time for you and your family. Don't hesitate to call, large or small, Taylor & Sons will be ready to help you.
WE are a family based business you can trust to do work at your home. What ever you need, we can help you make more quality time for you and your family. Don't hesitate to call, large or small, Taylor & Sons will be ready to help you.

Top questions to ask before hiring a heating and cooling system specialist

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 system services

11489

Their name says it all! Very reliable, always do a great job, and show up when they say the will. Highly recommend!

- Laura Michel
11625

Reliable is, as promised, reliable. They show up promptly, do the work you need give a fair price, and don't try to sell you services or goods you do not need. I would call them first for every HVAC or plumbing need.

- Margaret Wehrenberg
11601

Highly recommend; not only were they "reliable" & courteous, they also cleaned up! I will have them for all my heating and cooling needs.

- Anna Brandt
12538

Reliable is just that, reliable! Fair pricing and sensible repair/replace recommendations. Dependable after hours service. Clean installs. As an apartment manager, I've had PLENTY of experience with this company and many others in the St. Louis area. ...

- Jesse York
11490

Reliable Heating and Cooling is THE BEST! Their customer service is fantastic and they are so knowledgeable and HONEST with their estimates and service calls. I ONLY call Reliable.

- Allison Dolak
11672

There the best and very honest!

- Ralph Frank
11496

thank you for the honest and fast service... I would highly recommend

- justin hurayt
19475

Future Aire did an excellent job installing my Carrier Green Speed heat pump and furnace. The installers were prompt, courteous, professional, and did a good job explaining the HVAC system to us. The proposal, written by the owner John VenJohn, provided...

- Fran Komar
24086

We purchased a new furnace and AC in June of 2015. The level of service was excellent start to finish. John provided great communication, didn't overprice, and delivered everything as promised.

- Mike Lewis
140037

We have recently had Lk heating out due to a warranty company, it took them three weeks to come to our hom and stated it was our compressor, they then left our house in absolute disarray and could not get our air working. After having another company come...

- Stephanie Michel
40352

Larry went above and beyond my expectations. I'm pleased I have found an HVAC contractor I can trust with many years of experience. I would recommend LK Mechanical!

- Jamie Lynn
39488

Larry has taken care of every problem I have had at my home and my parents home. He is fast reliable and does quality work. Explains everything in detail. Would recomend him to anyone.

- Jacob Coach

All heating and cooling system services in O'Fallon, MO

Porch Pro Headshot L K Mechanical HEATING AND AIR CONDITIONING
Heating and Cooling
Serves O'Fallon, Missouri
(5)
LK Mechanical, Meier Mechanical, Air Dynamics, Meiem Mechanical, Lam Heating, Certified Heating and Cooling, Mainstreet Mechanical, and Zach Air have now joined together to be one team. Insured, Bonded, and Certified, LK Mechancial is available for all your heating and cooling needs. From air...Read more about L K Mechanical HEATING AND AIR CONDITIONING
LK Mechanical, Meier Mechanical, Air Dynamics, Meiem Mechanical, Lam Heating, Certified Heating and Cooling, Mainstreet Mechanical, and Zach Air have now joined together to be one team. Insured, Bonded, and Certified, LK Mechancial is available for all your heating and cooling needs. From air...Read more about L K Mechanical HEATING AND AIR CONDITIONING
Porch Pro Headshot NRG Mechanical LLC
Heating and Cooling
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 C&G Heating & Cooling
Heating and Cooling
Serves O'Fallon, Missouri
C&G Heating and Cooling company does both residential and commercial work. We are a Trane Comfort Specialist that specializes in installing high efficient furnace and air conditioners. Call (314) 645-0535 or (636)-394-2700 for all your service needs. We service all brands and we offer free est...Read more about C&G Heating & Cooling
C&G Heating and Cooling company does both residential and commercial work. We are a Trane Comfort Specialist that specializes in installing high efficient furnace and air conditioners. Call (314) 645-0535 or (636)-394-2700 for all your service needs. We service all brands and we offer free est...Read more about C&G Heating & Cooling
Porch Pro Headshot Crabtree Heating & Cooling LLC
Heating and Cooling
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 Gateway Comfort Systems LLC
Heating and Cooling
Serves O'Fallon, Missouri
The majority of homes today have two parts to their heating and cooling systems. A furnace or air handler is usually inside, and the air conditioner unit is somewhere outside. Having the right equipment is essential to save money on your utility bills and future repairs. Gateway Comfort Systems can ...Read more about Gateway Comfort Systems LLC
The majority of homes today have two parts to their heating and cooling systems. A furnace or air handler is usually inside, and the air conditioner unit is somewhere outside. Having the right equipment is essential to save money on your utility bills and future repairs. Gateway Comfort Systems can ...Read more about Gateway Comfort Systems LLC
Porch Pro Headshot T M Weir Heating & Cooling
Heating and Cooling
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 ALPHA Heating & Cooling
Heating and Cooling
Serves O'Fallon, Missouri
(2)
Porch Pro Headshot Fireplace and Grill Center
Heating and Cooling
Serves O'Fallon, Missouri
(36)
Porch Pro Headshot Complete Caire Heating And Cooling
Heating and Cooling
Serves O'Fallon, Missouri
(18)
Porch Pro Headshot Aire Serv of Chesterfield
Heating and Cooling
Serves O'Fallon, Missouri
Porch Pro Headshot Home Green Home, L.L.C.
Heating and Cooling
Serves O'Fallon, Missouri
Porch Pro Headshot EMS Hvac
Heating and Cooling
Serves O'Fallon, Missouri
Porch Pro Headshot Father and Son HVAC
Heating and Cooling
Serves O'Fallon, Missouri
Porch Pro Headshot Rob Works
Heating and Cooling
Serves O'Fallon, Missouri