We’ve Got Energy Efficient Furnaces to Keep Your Family Warm All Winter A furnace shouldn’t let you down in the middle of our Upland winters. In fact, at Klaus & Sons Heating & Air Conditioning, we believe you deserve a furnace that is energy efficient, operates quietly and helps reduce your utility expenses. Our variety of ENERGY STAR® qualified Lennox® gas and oil furnaces, which have reached or exceeded EPA guidelines for energy efficiency, will do just that. Our furnaces feature Lennox technologies like variable speed motors and PreciseComfort™ technology and work smarter, not harder, to provide consistent heat with increased energy efficiency. Fewer temperature swings. Better comfort. Reduced energy bills. Can’t get much better than that. All of our energy efficient furnaces are a solid choice for your Upland area home. They can enhance humidity control and air filtration, giving you improved indoor air quality. When you select a Lennox furnace from Klaus & Sons Heating & Air Conditioning, you can stay comfortable throughout the season. Browse our energy efficient gas and oil furnaces to learn more. Gas Furnaces Oil Furnaces We’re trained and ready to help with any of your heating needs, whether it’s a furnace replacement or a furnace repair. Just give Klaus & Sons Heating & Air Conditioning a call at 909-982-5698 or make an appointment online to get started.