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Top 10 oil to gas furnace conversion services in Alton, IL

Porch Pro Headshot Anton's Air Conditioning and Heating

Anton's Air Conditioning and Heating

Oil to Gas Furnace Conversion
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 Heritage Heating & Cooling

Heritage Heating & Cooling

Oil to Gas Furnace Conversion
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 Reliable Heating & Cooling

Reliable Heating & Cooling

Oil to Gas Furnace Conversion
Serves Alton, Illinois
(100)
"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."
"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."
Porch Pro Headshot Viviano Heating & Air Conditioning Inc

Viviano Heating & Air Conditioning Inc

Oil to Gas Furnace Conversion
Serves Alton, Illinois
(337)
Porch Pro Headshot Koesterer Heating & Cooling Inc

Koesterer Heating & Cooling Inc

Oil to Gas Furnace Conversion
Serves Alton, Illinois
(50)
Welcome to Koesterer Heating & Cooling Inc! When you want professional heating, HVAC and cooling services, you can rely on the expertise of Koesterer Heating & Cooling Inc. We offer our services to our customers in Granite City and St. Louis Metro East Area, IL (Metro). Our wide range of services i...Read more about Koesterer Heating & Cooling Inc
Welcome to Koesterer Heating & Cooling Inc! When you want professional heating, HVAC and cooling services, you can rely on the expertise of Koesterer Heating & Cooling Inc. We offer our services to our customers in Granite City and St. Louis Metro East Area, IL (Metro). Our wide range of services i...Read more about Koesterer Heating & Cooling Inc
Porch Pro Headshot McFarland Indoor Comfort Services Inc

McFarland Indoor Comfort Services Inc

Oil to Gas Furnace Conversion
Serves Alton, Illinois
(19)
We are a full service heating and cooling company serving the needs of both residential and commercial customers in the area. Whether you are in need of quick repair services or are considering having a new heating or air conditioning system installed, we have the staff and experience to tackle the ...Read more about McFarland Indoor Comfort Services Inc
We are a full service heating and cooling company serving the needs of both residential and commercial customers in the area. Whether you are in need of quick repair services or are considering having a new heating or air conditioning system installed, we have the staff and experience to tackle the ...Read more about McFarland Indoor Comfort Services Inc
Porch Pro Headshot Dynamic remodeling LLC

Dynamic remodeling LLC

Oil to Gas Furnace Conversion
Serves Alton, Illinois
(5)
"The owner of the company came out and was a very nice young man. He seemed very transparent and I think he was also more concerned about the job than I was actually. Anyway the job was done flawlessly and I felt comfortable around these guys being in my home which is not easy for me usually. "
"The owner of the company came out and was a very nice young man. He seemed very transparent and I think he was also more concerned about the job than I was actually. Anyway the job was done flawlessly and I felt comfortable around these guys being in my home which is not easy for me usually. "
Porch Pro Headshot Siefert Mechanical

Siefert Mechanical

Oil to Gas Furnace Conversion
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 SMART St. Louis

SMART St. Louis

Oil to Gas Furnace Conversion
Serves Alton, Illinois
(15)
SMART is a network of residential air conditioning & heating contractors that provide superior service to the St. Louis metro area. SMART Contractors provide maintenance, repair, replacement and design of residential HVAC units. Our focus is to help consumers reduce their overall heating and coolin...Read more about SMART St. Louis
SMART is a network of residential air conditioning & heating contractors that provide superior service to the St. Louis metro area. SMART Contractors provide maintenance, repair, replacement and design of residential HVAC units. Our focus is to help consumers reduce their overall heating and coolin...Read more about SMART St. Louis
Porch Pro Headshot Off the Wall Inc

Off the Wall Inc

Oil to Gas Furnace Conversion
Serves Alton, Illinois
(11)
Your Troy IL Heating and Cooling Specialists! Is it always the wrong temperature in your home? Call your local heating and cooling specialists to ensure the fast, quality repairs that you desire. At Off the Wall Heating & Cooling, we offer a variety of HVAC services to those in Troy, Illinois and th...Read more about Off the Wall Inc
Your Troy IL Heating and Cooling Specialists! Is it always the wrong temperature in your home? Call your local heating and cooling specialists to ensure the fast, quality repairs that you desire. At Off the Wall Heating & Cooling, we offer a variety of HVAC services to those in Troy, Illinois and th...Read more about Off the Wall Inc

Top questions to ask before hiring an oil to gas conversion 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 Alton oil to gas conversion 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
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
101917

- Matt Winner
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
41371

McFarland Indoor Comfort Services does quality work and is very professional. Their customer service is also exceptional. I highly recommend this company.

- Lisa Darr
45488

- Judith Madonia
64231

I had a simple out door shead I wanted built already had all materials ready he showed up at 630 in the morning an didn't stop till it was finished after 7p. An it's a solid structure an went above an beyond even threw up some shelves an didn't ask would ...

- Tim Baker

All oil to gas conversion services in Alton, IL

Porch Pro Headshot Air Doctor Air Conditioning Heating & Refrigeration

Air Doctor Air Conditioning Heating & Refrigeration

Oil to Gas Furnace Conversion
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 AllBright Systems 2 LLC

AllBright Systems 2 LLC

Oil to Gas Furnace Conversion
Serves Alton, Illinois
(13)
AllBright Systems 2 LLC Bethalto, IL, 62010 (618) 401-1390 AllBright Systems 2 LLC offers professional janitorial services in Bethalto, IL. Do not hesitate to contact us right away! Professional Office Cleaning, Carpet Cleaner, Window Cleaning Service, Commercial Cleaning Expert Rosewood Heights IL...Read more about AllBright Systems 2 LLC
AllBright Systems 2 LLC Bethalto, IL, 62010 (618) 401-1390 AllBright Systems 2 LLC offers professional janitorial services in Bethalto, IL. Do not hesitate to contact us right away! Professional Office Cleaning, Carpet Cleaner, Window Cleaning Service, Commercial Cleaning Expert Rosewood Heights IL...Read more about AllBright Systems 2 LLC
Porch Pro Headshot Crabtree Heating & Cooling LLC

Crabtree Heating & Cooling LLC

Oil to Gas Furnace Conversion
Serves Alton, Illinois
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 Cardinal Service and Installation

Cardinal Service and Installation

Oil to Gas Furnace Conversion
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 Complete Caire Heating And Cooling

Complete Caire Heating And Cooling

Oil to Gas Furnace Conversion
Serves Alton, Illinois
(18)
Porch Pro Headshot The English Property Maintenance Company, LLC

The English Property Maintenance Company, LLC

Oil to Gas Furnace Conversion
Serves Alton, Illinois
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 Reid's Service

Reid's Service

Oil to Gas Furnace Conversion
Serves Alton, Illinois
. New construction and retrofit installation of furnaces & air conditioning Repair on furnaces, air conditioning, and boiler systems (servicing all makes & models) New construction and remodel electrical wiring and panels Electrical repair Sales, installation, and servicing of generators Duct cleani...Read more about Reid's Service
. New construction and retrofit installation of furnaces & air conditioning Repair on furnaces, air conditioning, and boiler systems (servicing all makes & models) New construction and remodel electrical wiring and panels Electrical repair Sales, installation, and servicing of generators Duct cleani...Read more about Reid's Service
Porch Pro Headshot T-will Heating & Air Conditioning

T-will Heating & Air Conditioning

Oil to Gas Furnace Conversion
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

B W Heating & Cooling

Oil to Gas Furnace Conversion
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 Kimbrough Heating and air

Kimbrough Heating and air

Oil to Gas Furnace Conversion
Serves Alton, Illinois
Porch Pro Headshot Grand Oaks Heating & Cooling Inc

Grand Oaks Heating & Cooling Inc

Oil to Gas Furnace Conversion
Serves Alton, Illinois
Porch Pro Headshot Dawson Dodd

Dawson Dodd

Oil to Gas Furnace Conversion
Serves Alton, Illinois
Porch Pro Headshot Rob Works

Rob Works

Oil to Gas Furnace Conversion
Serves Alton, Illinois
Porch Pro Headshot TC Heating and Cooling

TC Heating and Cooling

Oil to Gas Furnace Conversion
Serves Alton, Illinois