Top 10 gas furnace installation services in Alton, IL

Porch Pro Headshot Anton's Air Conditioning and Heating
Gas Furnace Installation
Serves Alton, Illinois
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 Air Excellence
Gas Furnace Installation
Serves Alton, Illinois
(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 Heritage Heating & Cooling
Gas Furnace Installation
Serves Alton, Illinois
(202)
Heritage Heating & Cooling is an award-winning, locally owned company dedicated to providing top-notch indoor air quality solutions and customer service. As an authorized customer care dealer for American Standard, Heritage Heating & Cooling has a 100% customer satisfaction rating, and the company h...Read more about Heritage Heating & Cooling
Heritage Heating & Cooling is an award-winning, locally owned company dedicated to providing top-notch indoor air quality solutions and customer service. As an authorized customer care dealer for American Standard, Heritage Heating & Cooling has a 100% customer satisfaction rating, and the company h...Read more about Heritage Heating & Cooling
Porch Pro Headshot Viviano Heating & Air Conditioning Inc
Gas Furnace Installation
Serves Alton, Illinois
(337)
Porch Pro Headshot Countywide Heating & Cooling
Gas Furnace Installation
Serves Alton, Illinois
(45)
Countywide Heating & Cooling is a full service HVAC company serving the St. Louis city, St. Louis County, Jefferson County, Wildwood, Ballwin, Kirkwood, University City, Ladue, Town and Country, areas and many more! Countywide services all equipment brands including Ruud, Rheem, Trane, Lennox, Goodm...Read more about Countywide Heating & Cooling
Countywide Heating & Cooling is a full service HVAC company serving the St. Louis city, St. Louis County, Jefferson County, Wildwood, Ballwin, Kirkwood, University City, Ladue, Town and Country, areas and many more! Countywide services all equipment brands including Ruud, Rheem, Trane, Lennox, Goodm...Read more about Countywide Heating & Cooling
Porch Pro Headshot Siefert Mechanical
Gas Furnace Installation
Serves Alton, Illinois
(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 Hampton Heating & Cooling
Gas Furnace Installation
Serves Alton, Illinois
(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 Air Doctor Air Conditioning Heating & Refrigeration
Gas Furnace Installation
Serves Alton, Illinois
Business Name: Air Doctor Air Conditioning Heating & Refrigeration Category: Heating & Air-Conditioning Contractors Address: 219 willows dr Collinsville, IL 62234 Phone: (618)343-1001 Email: sheilashea@charter.net Slogan: We are your Heating & Air Conditioning specialists who offer a full range...Read more about Air Doctor Air Conditioning Heating & Refrigeration
Business Name: Air Doctor Air Conditioning Heating & Refrigeration Category: Heating & Air-Conditioning Contractors Address: 219 willows dr Collinsville, IL 62234 Phone: (618)343-1001 Email: sheilashea@charter.net Slogan: We are your Heating & Air Conditioning specialists who offer a full range...Read more about Air Doctor Air Conditioning Heating & Refrigeration
Porch Pro Headshot Nowell's Heating A/C & Refrigeration
Gas Furnace Installation
Serves Alton, Illinois
(3)
Specializing in AC and heating system services, we are the hardest working HVAC contractors in the business! Nowell's Heating is a full service residential and commercial HVAC contractor dedicated to providing service that's as unbeatable as our rates, and that's the #1 reason our clients come back ...Read more about Nowell's Heating A/C & Refrigeration
Specializing in AC and heating system services, we are the hardest working HVAC contractors in the business! Nowell's Heating is a full service residential and commercial HVAC contractor dedicated to providing service that's as unbeatable as our rates, and that's the #1 reason our clients come back ...Read more about Nowell's Heating A/C & Refrigeration
Porch Pro Headshot C&G Heating & Cooling
Gas Furnace Installation
Serves Alton, Illinois
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

Top questions to ask before hiring a gas furnace installation 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 Alton gas furnace installation services

429289

Furnace went out on a Tuesday 1/4/22. Called 4 different places to come out Wednesday. Heritage came out and gave me a quote on a new furnace and recommended replacing air conditioning coils as well. After reviewing pricing and financing options we went w...

- Chris Sadowski
77901

Countywide is perfect if you want to pay for a job that won’t be done right or get finished! We paid $4700 to install an air handler and AC unit. Countywide also said they would put in a smart thermostat for us. We originally had one thermostat, County...

- Greg Muck
26782

Great job and came out within an hour.

- debbie suda
77900

Countywide is perfect if you want to pay for a job that won’t be done right or get finished! We paid $4700 to install an air handler and AC unit. Countywide also said they would put in a smart thermostat for us. We originally had one thermostat, County...

- Greg Muck
70961

Fast dependable service people were here and finish the job very fast units working way better than before

- Darrin Jones

All Gas Furnace Installation Companies in Alton, IL

Porch Pro Headshot Cardinal Service and Installation
Gas Furnace Installation
Serves Alton, Illinois
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 Person Hvac LLC.
Gas Furnace Installation
Serves Alton, Illinois
(59)
Porch Pro Headshot Astro Heating & Cooling
Gas Furnace Installation
Serves Alton, Illinois
(32)
Porch Pro Headshot Screenmobile Of ST.Charles
Gas Furnace Installation
Serves Alton, Illinois
Porch Pro Headshot Comfort Keepers HVAC & Appliance Repair
Gas Furnace Installation
Serves Alton, Illinois
No matter what the temperature is outside, Comfort Keepers HVAC Appliance Repairhasa team of technicians that is dedicated to bringing you ultimate comfort inside. Offering the best HVAC repair services in St. Louis, MO, this company can help with everything from routine air conditioner maintenance...Read more about Comfort Keepers HVAC & Appliance Repair
No matter what the temperature is outside, Comfort Keepers HVAC Appliance Repairhasa team of technicians that is dedicated to bringing you ultimate comfort inside. Offering the best HVAC repair services in St. Louis, MO, this company can help with everything from routine air conditioner maintenance...Read more about Comfort Keepers HVAC & Appliance Repair
Porch Pro Headshot T-will Heating & Air Conditioning
Gas Furnace Installation
Serves Alton, Illinois
As one of the premier heating & cooling companies in St. Louis, T-will Heating & Air Conditioning has dedicated our business to serving our customers with the utmost quality. Air Conditioning Repairs, Air Conditioning Installation, Air Conditioning Service, Furnace Service, Residential HVAC Service...Read more about T-will Heating & Air Conditioning
As one of the premier heating & cooling companies in St. Louis, T-will Heating & Air Conditioning has dedicated our business to serving our customers with the utmost quality. Air Conditioning Repairs, Air Conditioning Installation, Air Conditioning Service, Furnace Service, Residential HVAC Service...Read more about T-will Heating & Air Conditioning
Porch Pro Headshot B W Heating & Cooling
Gas Furnace Installation
Serves Alton, Illinois
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 Grand Oaks Heating & Cooling Inc
Gas Furnace Installation
Serves Alton, Illinois
Porch Pro Headshot Dawson Dodd
Gas Furnace Installation
Serves Alton, Illinois
Porch Pro Headshot WIZARD'S HANDYMAN SERVICE
Gas Furnace Installation
Serves Alton, Illinois
Porch Pro Headshot I Am Handyman
Gas Furnace Installation
Serves Alton, Illinois
Porch Pro Headshot Ball Family Heating and cooling
Gas Furnace Installation
Serves Alton, Illinois
Porch Pro Headshot TC Heating and Cooling
Gas Furnace Installation
Serves Alton, Illinois
Porch Pro Headshot EMS Hvac
Gas Furnace Installation
Serves Alton, Illinois