Sanders & Johnson
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Sanders & Johnson
When most people think of Colorado they envision our gorgeous winter snow, but for those of us that live here, the sweltering summer sun can be pretty intense. The worst feeling in the world is having your air conditioner give up on you when it's 90°.

Whether you need service on your zoned air control or have questions about retrofitting your home with a ductless mini-split system, we are well-equipped to meet any of your air conditioning needs.You have an appliance that runs nearly year-round that you probably only think about when it breaks down - your furnace or boiler.

Sanders & Johnson has professional, experienced technicians who have installed and/or serviced every type of residential heating unit in virtually any size or shape of home. Is your air still uncomfortable or feel colder or warmer than your thermostat says? You may be benefited by an in-line or whole-home humidifier.
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Denver is an extraordinary city, with our incredible winters and even more spectacular summers it's the type of place you move to and put down some roots. Well that's exactly what Jim Sanders and Dan Johnson did when they started Sanders & Johnson back in 1977. Because we rely on our customers to such a great extent, we know how important it is to provide total satisfaction, and personalized customer service.
At Sanders & Johnson, we understand exactly how important it is to be able to completely rely on your heating system. Our Colorado winters are something to write home about, which is why your heater should always work as efficiently, reliably, and powerfully as possible whenever and for however long you need them.
For up to 9 months of the year, our beloved Denver and surrounding area will remain at or under 70 degrees outside. This means that your heating system will be running almost year-round. We are glad to help you find the best and most efficient way to heat your home on practically any budget.
If you're calling us, chances are you're local to the Denver, Colorado area which tells us that you know a thing or two about Colorado winters. In order to live here, you understand that your home must be a refuge from all kinds of weather, especially in the wintertime. When your heater suddenly breaks or stops working to its fullest potential, it's easy to become frustrated about the lack of comfort in your home.
Our business has been serving the Denver area for over 40 years and remains your #1 option for all heating services. It is our goal to always provide customers with expert-quality work at the most cost-effective prices. With expert technicians, ongoing training, well-stocked vans, and a 100% customer satisfaction guarantee, we're able to do all of the above and more!
Reviews (20)
Rosa Colorado
Rosa Colorado
Jan 05, 2022
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Critical: Quality
BEWARE of Nigel Isaac very strange and weird. I would not trust him to walk my dog much less mess with the gas in my house. They must be very desperate at Saunders and Johnson . I would recommend Applewood or Mile High
Michael Howard
Michael Howard
Dec 06, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Technician was on time and very friendly and communicative. Easy to schedule and reasonable pricing.
Services: Heating maintenance, AC maintenance, AC repair, HVAC maintenance, Heating system repair
Lauren Cole
Lauren Cole
Dec 05, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Sanders & Johnson has been a trusted HVAC install and repair company for over 40 years! They have excellent customer service, both on the phone and in person, and their techs are extremely knowledgeable and professional. If you are looking for heating or air conditioning services in the Denver area, you've found the right company!
Dustin Takk
Dustin Takk
Nov 13, 2021
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I don’t know how you feel about one of your technicians moving across the double white line into the HOV lane when he simply couldn’t wait five seconds for me to pass someone. Not to mention speeding near 90mph. That’s just ridiculous. Your techs should know better due to the fact that you’re literally a traveling billboard with your signage on the side and back.
Garrett Linnan
Garrett Linnan
Oct 05, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Sanders& Johnson were excellent in getting technicians out to us the same day that we called. Technicians Quinn and Jimbo were great working quickly and efficiently to determine the problem with our AC. They were both friendly and clearly experts in their field. They answered all of our questions and got the job done.
Service: HVAC repair
Barbara Schindler
Barbara Schindler
Sep 22, 2021
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We had a very disappointing experience with Sanders and Johnson. Our daughter bought an old home in Denver and we went out to get some things done prior to move in. We saw this company’s name/number on the furnace, so called them to do the maintenance. The person who came was very nice, did the furnace maintenance, then headed out to the A/C which kept tripping the breaker. Despite the fact that the unit didn't stay on for more than a few seconds before the breaker tripped, we were told it needed to be replaced and a salesperson came out very quickly to give us a quote. We were charged the full
Marni Nishimoto-Hamai
Marni Nishimoto-Hamai
Aug 31, 2021
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Very good service! Used this company for my parents as well. One gentleman in particular, Quinn, has served our many households and is top notch to say the least. So many times I have been disappointed with the service in this day in age by other companies. Sanders and Johnson is a rare bird that has itheir priorities right: treating customers with respect, telling them what to expect, and giving “quality” service. You can truly trust them.
John Glover
John Glover
Aug 23, 2021
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IF YOU ARE INSTALLING A NEW FURNACE OR AC UNIT AND WANT TO RECEIVE A REBATE, DO NOT USE THIS COMPANY. I am a 16 year customer of Sanders and Johnson. I recently had them install a new AC and Furnace. The sales manger came out to do the quote for the replacement. He gave us multiple quotes and then explained the advantages of each as compared to the cost of the system. We ended up putting together a system that met our needs. I asked him about energy rebates as the quote did not have any listed. He told us that the rebates change and they would file all the appropriate forms and submit them. then
Amy Marcussen
Amy Marcussen
Aug 19, 2021
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We needed an expert opinion regarding installation of our tankless water heater. We called on a Monday morning and had a technician arrive by 2:00pm the same day. The assessment was honest, concise and professionally rendered. We have used Sanders and Johnson for years, always with good results.
Anthony Nicastro
Anthony Nicastro
Jul 29, 2021
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Customer Beware !!!!!
This company installed my furnace, AC, and hot water tank 8 years ago when it was Sanders and Johnson. It has since been bought out and not the same owners. My AC was not cooling the house below 79 degrees. I called for a technician on July 1 2021 They told me over the phone it would cost $139 to diagnose the unit..When the technician was done checking my AC he said the refrigerant was low and was leaking oil but he couldn't find the leak. He called his supervisor and a different technician has to come out to diagnose the AC. When I was getting ready to write the check he
Kathleen Gregory
Kathleen Gregory
Jun 22, 2021
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They always come through, if its repairs or maintenance. Great service.
Kay Gilchrist
Kay Gilchrist
May 20, 2021
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I highly recommend this company for any heating and air conditioning issues. I have used them for years and always been extremely happy with the work. The whole staff is always friendly and helpful. Most recently, technician, Josh, and supervisor, Quinn, helped me figure out some evaporative cooler problems that had been plaguing me for years. They definitely rank 5 stars in my book.
David N. Mary Barnes
David N. Mary Barnes
May 14, 2021
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I believe I have finally found a HVAC company that is professional and most importantly HONEST.
Pam Gorden Wakefield
Pam Gorden Wakefield
May 14, 2021
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Our technician, Josh, was very knowledgeable and personable. Scheduling was easy.
Tom LaRose
Tom LaRose
Oct 21, 2020
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S & J was very professional, prompt, thorough and reasonably priced. This is the second time I had them come to do annual routine check on my HVAC system.
Barbara Zalesny
Barbara Zalesny
Oct 21, 2020
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Professional team that year after year provide reliable service to my furnace and air conditioner. I highly recommend them. B Zalesny
Judy Haddow
Judy Haddow
Oct 16, 2020
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I've used Sanders and Johnson for all my heating and air conditioning service for 20 years. They are honest, thorough and don't push for unnecessary work. I know when they recommend something, it's honest. The service people are always polite and cheerful.
Penny Austin
Penny Austin
Oct 14, 2020
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The service department and technicians are very friendly, knowledgeable and on time. I’m never disappointed with their service.
Diane Murphy
Diane Murphy
Sep 28, 2020
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They did a great job and were very professional and friendly. I was glad to get my boiler maintained before winter by two professionals !
Lisa Johansen
Lisa Johansen
Feb 14, 2020
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Eric did an excellent job cleaning and changing filters and then for our furnace and humidifier. He explained what he was doing and why my furnace was dirty in the first place. I really appreciated the time he spent.