Sanders and Johnson was founded in 1977. Sanders and Johnson is one of the few companies in Denver that are still run by their founders. Jim and Dan have been working for several decades, providing people around the city heating and air-conditioning services. What’s best about Sanders and Johnson is that the experts don’t charge a dime for estimating heating or cooling needs. Dan Johnson and Jim Sanders believe in customer oriented services, which is why they make sure to not only provide a heating and cooling solution but also get the job done. Sanders and Johnson are also listed on the BBB website and proud themselves for being a part of their customer care network.