Gas furnaces work on a basic principle: lit gas flames heat air that is blown through the furnace and into the rooms through ductwork. But gas furnaces are complex devices that have several safety features and mechanisms that allow them to work correctly and without creating hazards.
One of the key components for the operation of a furnace is the furnace limit switch. You don’t need to know all the details about this part, but understanding the basics will help you know more about how your furnace works—and why it sometimes doesn’t work.
You can find plenty of tips with an internet search on how to cut down your home heating bills. Many of these are common sense: “Wear warmer clothing and lower the thermostat” and “change the furnace filter every 1–3 months.” Good advice and easy for your household to do.
It’s amazing that December has already arrived and the year 2019 is almost over. We know you’re probably ferociously busy with your seasonal plans and preparations for the new year. But we want to make sure you’ve gotten your annual heating maintenance already taken care of. It’s something we recommend all our clients schedule for their heating systems during the fall.
One of the most important jobs we do as an 
The cold weather will be here before you know it. Or before you can prepare for it. We don’t want you to get caught with a non-working furnace or a 
The cold weather will be here before you know it. Or before you can prepare for it. We don’t want you to get caught with a non-working furnace or a 
California has recently experienced a series of major fires. Thankfully for us in the Central Valley, these fires were in the north and south of the state. But we’re not strangers to these disasters: last summer wildfires scorched more than 1700 acres in Fresno and Mariposa counties. This caused a plunge in air quality for surrounding areas. When this happens, we recommend making an immediate change to the furnace filter on your HVAC cabinet. Otherwise, extra pollutants trapped in the filter will further drop indoor air quality. 
Your gas furnace is going to turn on soon and settle in for another winter of warming your home. You want to make sure the furnace not only runs reliably, but also runs safely. Below we’ve listed a few tips that will help your family relax and enjoy a safe winter with a nat