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

Porch Pro Headshot 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 AnC Heating & Cooling
Oil to Gas Furnace Conversion
Serves Alton, Illinois
(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 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
Oil to Gas Furnace Conversion
Serves Alton, Illinois
(337)
Porch Pro Headshot Countywide Heating & Cooling
Oil to Gas Furnace Conversion
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 Dynamic remodeling LLC
Oil to Gas Furnace Conversion
Serves Alton, Illinois
(5)
"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 recommend an will use again myself "
"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 recommend an will use again myself "
Porch Pro Headshot 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 Nu-Way Heating and Air Conditioning
Oil to Gas Furnace Conversion
Serves Alton, Illinois
(44)
Slogan: Our goal is to have our customers need to tell every person they meet that they have found the most honest, trustworthy, and talented HVAC company around. We work to provide you with a system that is customized to fit your home for maximum comfort. You'll enjoy working with our qualified tea...Read more about Nu-Way Heating and Air Conditioning
Slogan: Our goal is to have our customers need to tell every person they meet that they have found the most honest, trustworthy, and talented HVAC company around. We work to provide you with a system that is customized to fit your home for maximum comfort. You'll enjoy working with our qualified tea...Read more about Nu-Way Heating and Air Conditioning
Porch Pro Headshot 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
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
64216

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 h...

- Brian Williams
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

All oil to gas conversion services in Alton, IL

Porch Pro Headshot Aire Serv of Edwardsville
Oil to Gas Furnace Conversion
Serves Alton, Illinois
(17)
Aire Serv of Edwardsville provides Edwardsville, Glen Carbon, Troy, Collinsville, and the surrounding area residents and business with unsurpassed, quality heating and air conditioning services you can trust.
Aire Serv of Edwardsville provides Edwardsville, Glen Carbon, Troy, Collinsville, and the surrounding area residents and business with unsurpassed, quality heating and air conditioning services you can trust.
Porch Pro Headshot High Ridge Heating & Cooling
Oil to Gas Furnace Conversion
Serves Alton, Illinois
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 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 Person Hvac LLC.
Oil to Gas Furnace Conversion
Serves Alton, Illinois
(59)
Porch Pro Headshot Da Veer Electrical & Mechaical Contracting, Inc
Oil to Gas Furnace Conversion
Serves Alton, Illinois
I have 35 years of experience in home construction as an electrical and mechanical contractor I am fully licensed and bonded
I have 35 years of experience in home construction as an electrical and mechanical contractor I am fully licensed and bonded
Porch Pro Headshot Astro Heating & Cooling
Oil to Gas Furnace Conversion
Serves Alton, Illinois
(32)
Porch Pro Headshot Complete Caire Heating And Cooling
Oil to Gas Furnace Conversion
Serves Alton, Illinois
(18)
Porch Pro Headshot 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 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
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 Home Green Home, L.L.C.
Oil to Gas Furnace Conversion
Serves Alton, Illinois
Porch Pro Headshot EMS Hvac
Oil to Gas Furnace Conversion
Serves Alton, Illinois
Porch Pro Headshot TC Heating and Cooling
Oil to Gas Furnace Conversion
Serves Alton, Illinois
Porch Pro Headshot I Am Handyman
Oil to Gas Furnace Conversion
Serves Alton, Illinois