1. Porch
  2. US
  3. CO
  4. Thornton
  5. Furnace Maintenance

Top 10 furnace maintenance services in Thornton, CO

Porch Pro Headshot NOW HEATING & AIR

NOW HEATING & AIR

Furnace Maintenance
Serves Thornton, Colorado
(1,099)
Since 1989, we have provided expert service for residential and commercial HVAC installation, repair, and maintenance in Denver, Boulder, and the surrounding areas. Whether you need new system installation or system retrofit, our professional technicians will assess your needs and provide a system f...Read more about NOW HEATING & AIR
Since 1989, we have provided expert service for residential and commercial HVAC installation, repair, and maintenance in Denver, Boulder, and the surrounding areas. Whether you need new system installation or system retrofit, our professional technicians will assess your needs and provide a system f...Read more about NOW HEATING & AIR
Porch Pro Headshot Front Range HVAC

Front Range HVAC

Furnace Maintenance
Serves Thornton, Colorado
(1,165)
Front Range, HVAC is your HVAC partner in Colorado. We offer AC Repair, Furnace Repair, Duct Cleaning in Denver and much more. Get a free quote today.
Front Range, HVAC is your HVAC partner in Colorado. We offer AC Repair, Furnace Repair, Duct Cleaning in Denver and much more. Get a free quote today.
Porch Pro Headshot Smith & Willis Heating & Air Conditioing LLC

Smith & Willis Heating & Air Conditioing LLC

Furnace Maintenance
Serves Thornton, Colorado
(117)
"Absolutely 5 stars! Frank explained what I needed & did an excellent job of making sure it all came together for me. The actual price was lower than competitors. The technicians were on time and installed the unit without a hitch. It was a pleasure doing business with Smith & Willis."
"Absolutely 5 stars! Frank explained what I needed & did an excellent job of making sure it all came together for me. The actual price was lower than competitors. The technicians were on time and installed the unit without a hitch. It was a pleasure doing business with Smith & Willis."
Porch Pro Headshot Aspen Creek Heating & Air, llc

Aspen Creek Heating & Air, llc

Furnace Maintenance
Serves Thornton, Colorado
(73)
"I had Aspen Creek Heating and Air out to work on my air conditioning system. The technician, Mike, corrected the problem with my system, he was very knowledgeable and very courteous, and explained everything he was doing in detail. I am very happy with his work. I am also very happy with the off...Read more about Aspen Creek Heating & Air, llc
"I had Aspen Creek Heating and Air out to work on my air conditioning system. The technician, Mike, corrected the problem with my system, he was very knowledgeable and very courteous, and explained everything he was doing in detail. I am very happy with his work. I am also very happy with the off...Read more about Aspen Creek Heating & Air, llc
Porch Pro Headshot Groulx Mechanical Heating and Cooling inc

Groulx Mechanical Heating and Cooling inc

Furnace Maintenance
Serves Thornton, Colorado
(126)
Groulx Mechanical Heating and Cooling Inc., Is a newly establish company, locally owned and family operated. We are committed to be the company you can trust with quality service and affordable pricing.
Groulx Mechanical Heating and Cooling Inc., Is a newly establish company, locally owned and family operated. We are committed to be the company you can trust with quality service and affordable pricing.
Porch Pro Headshot Mr. Cool Heating and Cooling

Mr. Cool Heating and Cooling

Furnace Maintenance
Serves Thornton, Colorado
(58)
At Mr. Cool Heating & Cooling, we ensure the maximum value for every penny spent on our services. We complete work on-time and within budget, guaranteed. So If your looking for a HVAC Contractor,Air conditioning contractor or Heating contractor in or around Denver Colorado then call today!!! We are ...Read more about Mr. Cool Heating and Cooling
At Mr. Cool Heating & Cooling, we ensure the maximum value for every penny spent on our services. We complete work on-time and within budget, guaranteed. So If your looking for a HVAC Contractor,Air conditioning contractor or Heating contractor in or around Denver Colorado then call today!!! We are ...Read more about Mr. Cool Heating and Cooling
Porch Pro Headshot BCIT Mechanical

BCIT Mechanical

Furnace Maintenance
Serves Thornton, Colorado
(30)
"Wyatt came to our Home to clean air ducts,vents, dryer exhaust. He knew his job well, was prompt,was strong, and friendly. We are very pleased at the job he did, and will call this company for future work."
"Wyatt came to our Home to clean air ducts,vents, dryer exhaust. He knew his job well, was prompt,was strong, and friendly. We are very pleased at the job he did, and will call this company for future work."
Porch Pro Headshot Indoor Air Quality Inc

Indoor Air Quality Inc

Furnace Maintenance
Serves Thornton, Colorado
(64)
Indoor Air Quality, Inc., a Denver HVAC company, was established in 2001 by Joe Collida and Pat Comeford in Aurora, Colorado. Joe and Pat continue to manage the company today and take pride in providing a family environment for all of our employees. Both owners are very hands-on in all aspects of th...Read more about Indoor Air Quality Inc
Indoor Air Quality, Inc., a Denver HVAC company, was established in 2001 by Joe Collida and Pat Comeford in Aurora, Colorado. Joe and Pat continue to manage the company today and take pride in providing a family environment for all of our employees. Both owners are very hands-on in all aspects of th...Read more about Indoor Air Quality Inc
Porch Pro Headshot HAVENS HVAC LLC

HAVENS HVAC LLC

Furnace Maintenance
Serves Thornton, Colorado
(216)
Porch Pro Headshot SINJAC ELECTRIC

SINJAC ELECTRIC

Furnace Maintenance
Serves Thornton, Colorado
(52)
Entertain company at night in well-lit elegance with the lighting specialists from Sin Jac Electric in the Kittredge, CO area.
Entertain company at night in well-lit elegance with the lighting specialists from Sin Jac Electric in the Kittredge, CO area.

Top questions to ask before hiring a heating & furnace service

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 Thornton furnace maintenance services

26802

26809

- John Danielson
162290

Very nice to work with and very reliable!!

- Juan Rodriguez
48355

Very responsive and great follow thru on promises.

- rebecca stanford
28149

Jon and Dana work hard to get the job done quickly, accurately and with integrity. I wouldn't hesitate in calling Calvary Heating!

- Kim Bjerga
28163

I called Calvary for a second opinion/quote after a glowing recommendation from my neighbor. Jon responded quickly to my call, offered several options for repair (other company said the furnace had to be replaced). The air/furnace continues to work gr...

- Pat Boette
28519

excelent service

- Sal Castellanos
28143

Calvary does all of my hvac work and more. Their prices beat the heck out of the big guys, the service is prompt, and the workmanship is very professional. Honest with high integrity, these guys make it right because they want your business. I highly reco...

- Curt Sims
28136

Honest, caring, trustworthy and excellent! John goes above and beyond in his service and care for the customer, big or small. I highly recommend Calvary Heating and Cooling!!

- David Palmer
28140

Awesome customer service, I appreciate the speedy response... Very knowledgably and very fair billing.. thank for everything......

- Cassandra Dean Pearce
45165

Calvary Heating and Cooling is always my first choice. Jon has done a number of repairs/fixs for me. He is honest, professional and a great guy. I call and he arrives with in the hour, does the job, and even fallows up the next day.

- Greer Calhoun
28150

Great company with great service and quality. Would definitely recommend them to anybody needing HVAC or refrigeration work.

- John Coffman

All Heating & Furnace Services in Thornton, CO

Porch Pro Headshot Grafner Heating & Cooling

Grafner Heating & Cooling

Furnace Maintenance
Serves Thornton, Colorado
(4)
We understand that when you need HVAC services in Longmont, CO you want the job done right and you want it done quickly. Whether your needs involve repair or replacement of your heating system or your cooling system, we know that when you call on us it means that you are either uncomfortable or unha...Read more about Grafner Heating & Cooling
We understand that when you need HVAC services in Longmont, CO you want the job done right and you want it done quickly. Whether your needs involve repair or replacement of your heating system or your cooling system, we know that when you call on us it means that you are either uncomfortable or unha...Read more about Grafner Heating & Cooling
Porch Pro Headshot Handy Home Services

Handy Home Services

Furnace Maintenance
Serves Thornton, Colorado
(13)
Update your home with new windows by calling the specialists at Handy Home Services, who have been awarded 5-stars by residents in Snowmass Village, CO.
Update your home with new windows by calling the specialists at Handy Home Services, who have been awarded 5-stars by residents in Snowmass Village, CO.
Porch Pro Headshot Calvary Heating and Cooling

Calvary Heating and Cooling

Furnace Maintenance
Serves Thornton, Colorado
(15)
"Jon Sanchez is an honest hardworking business man and repair technician. He is trustworthy and does honorable work. He is willing to work with Customer and he Lao takes responsibility for glitches or setbacks during the job. He is willing to work on the job until it is done right."
"Jon Sanchez is an honest hardworking business man and repair technician. He is trustworthy and does honorable work. He is willing to work with Customer and he Lao takes responsibility for glitches or setbacks during the job. He is willing to work on the job until it is done right."
Porch Pro Headshot Groundhog Heating and Air Conditioning

Groundhog Heating and Air Conditioning

Furnace Maintenance
Serves Thornton, Colorado
(82)
Porch Pro Headshot Control Temp

Control Temp

Furnace Maintenance
Serves Thornton, Colorado
Control Temp is a HVAC company located in the Denver Metro area. We have been in business since 1983. We are a full service heating and Cooling company.
Control Temp is a HVAC company located in the Denver Metro area. We have been in business since 1983. We are a full service heating and Cooling company.
Porch Pro Headshot Vertical Heating & Cooling LLC

Vertical Heating & Cooling LLC

Furnace Maintenance
Serves Thornton, Colorado
(43)
Porch Pro Headshot Pace and Sons Mechanical Inc

Pace and Sons Mechanical Inc

Furnace Maintenance
Serves Thornton, Colorado
Pace & Sons Mechanical is a family owned and operated since 1999. We are a smaller company, so we are more customer oriented to serve your needs. We even offer a 24/7 emergency service. We are a diversified and experienced HVAC repair company and we keep up on training for new technologies, so you c...Read more about Pace and Sons Mechanical Inc
Pace & Sons Mechanical is a family owned and operated since 1999. We are a smaller company, so we are more customer oriented to serve your needs. We even offer a 24/7 emergency service. We are a diversified and experienced HVAC repair company and we keep up on training for new technologies, so you c...Read more about Pace and Sons Mechanical Inc
Porch Pro Headshot Bee's Air Duct Cleaning LLC

Bee's Air Duct Cleaning LLC

Furnace Maintenance
Serves Thornton, Colorado
Bee's Air Duct Cleaning is a family run company on Longmont, Coloraodo. We specialize in air duct cleaning and HVAC Maintenance. With Bee's you can count on a thorough cleaning, and tune-up from an HVAC certified technician. We guarantee quality work as well as up front and honest pricing.
Bee's Air Duct Cleaning is a family run company on Longmont, Coloraodo. We specialize in air duct cleaning and HVAC Maintenance. With Bee's you can count on a thorough cleaning, and tune-up from an HVAC certified technician. We guarantee quality work as well as up front and honest pricing.
Porch Pro Headshot Core Mechanical Company

Core Mechanical Company

Furnace Maintenance
Serves Thornton, Colorado
(2)
We install, repair, replace, maintain any and all brands of equipment.
We install, repair, replace, maintain any and all brands of equipment.
Porch Pro Headshot Cordova Heating & Cooling, LLC

Cordova Heating & Cooling, LLC

Furnace Maintenance
Serves Thornton, Colorado
(11)
Porch Pro Headshot Marked Plumbing LLC

Marked Plumbing LLC

Furnace Maintenance
Serves Thornton, Colorado
Marked Plumbing specialized in friendly, honest residential and commercial plumbing in the Denver metro area. Give us a call for an estimate!
Marked Plumbing specialized in friendly, honest residential and commercial plumbing in the Denver metro area. Give us a call for an estimate!
Porch Pro Headshot Absolute 1st Choice Heating & Air Conditioning Inc.

Absolute 1st Choice Heating & Air Conditioning Inc.

Furnace Maintenance
Serves Thornton, Colorado
Porch Pro Headshot Soxbury Heating & Cooling

Soxbury Heating & Cooling

Furnace Maintenance
Serves Thornton, Colorado