Gas furnaces. They’re everywhere. Even with the influx of technology like heat pumps and ductless mini splits, gas furnaces still hold the title of the most common type of home heating system in the US. Gas furnaces wouldn’t be so popular if they created safety hazards, and all gas furnaces have several devices that help keep them running safely.
Today, we’re going to look at one of these key devices, the flame sensor. The flame sensor isn’t just a safety mechanism: it helps regular normal furnace operation and keeps the system working efficiently and evenly.
We’ve gone through some colder spells recently along with rain, but with the calendar turning over to March, we can see the end of the winter ahead. Winter is not usually rough for us here in Katy (with some major exceptions), and you’ll probably be ready to switch to a “summer weather” mentality by the end of March.
Gas furnaces are the heating systems most commonly found in homes. They’re powerful and energy efficient—and they’re also relatively safe to run. Homeowners are sometimes nervous about using natural gas because any gas appliance can potentially create hazards from combustion and the exhaust of toxic gases like carbon monoxide. A gas furnace 
The natural gas furnace has a long history of use. The first patent on the gas furnace was in 1919, and by the 1940s, gas furnaces started to become popular as central heating options, replacing coal-burning furnaces because of their power, improved safety, and convenience—no more need to take delivery of coal and shovel it into the furnace, the natural gas comes right to the home.
When you need your home’s gas furnace working, the last thing you want to happen is to have it keep shutting down on you. Unfortunately, this is one of the more common furnace issues you may run into: burners that won’t stay lit. There may be a simple explanation for it, but in many cases you’ll need to call us for professional 
You may not run your gas furnace as often during winter as people in colder climates, but you’ll still have the same need for a 
We hope that you’ve scheduled heating maintenance for your furnace with our team already. If you haven’t, right now is a great time to have it done. Maintenance makes it more likely that your furnace will work exactly as it needs to during the cold spells, and it reduces the chance you’ll need to call us for