Our Blog What Is a Furnace Limit Switch and Why Is It Important? Do you really know how your furnace works? Inside that heat-producing appliance are a lot of vital components. One is the furnace limit switch, also known as a furnace high limit switch and furnace ... Continue Reading Why Does My Furnace Keep Clicking? It's cold outside, and the furnace kicks on like normal—well, except for that strange sound. "Why does my furnace keep clicking?" is a common question from homeowners. And while there's no such thing ... Continue Reading How Often Should My Furnace Cycle in the Winter? Winter weather puts your furnace to the test. After months of being dormant, the system suddenly finds itself working overtime. While it should cycle throughout the day, clicking on too frequently may ... Continue Reading Why Is a Furnace Heat Sensor Important? Have you ever heard of a furnace heat sensor? This little device, also known as a flame sensor, is an important component inside every furnace. It's an added safety feature designed to prevent carbon ... Continue Reading Previous Page PagePage Number of 96 Next Page