Our Oil Furnaces Quietly Warm Your Home While Providing Exceptional Efficiency A portion of your home’s comfort is defined by how peaceful and relaxed you feel inside of it. And it doesn’t feel too peaceful when your noisy furnace is constantly distracting you. Our oil furnaces at D & K Heating Service Experts Heating & Air Conditioning in Belleville are some of the quietest you’ll find. They create so little noise, you likely won’t even notice them when they’re working. All you’ll notice is a warmer home – and that’s exactly what we’re shooting for. We sell three oil furnaces in our Belleville location that are known for their high energy efficiency and durability. The variable speed feature on select models will bring you more consistent heat and outstanding efficiency. Discover more about each model by clicking on your ideal efficiency. Maximum Efficiency SLO185V SLO183V Moderate Efficiency ELO183 Working with D & K Heating Service Experts to find a new oil furnace in the Belleville area or service your old one has never been this simple. We offer expert furnace installation, furnace maintenance and a variety of furnace repair services so you can keep your mind off your system. We’ll ensure your home stays warm with our annual and bi-annual comfort service plan options. Schedule your appointment online or call 613-707-2421 to jump right in on replacing or repairing your oil furnace.