Keeping a garage warm, or at least warmer, is ideal when working during the winter. One of the problems with many garages is they lack a 220 volt outlet to run a heavy duty heater. 220 volts is ideal to get the high amps needed to run a commercial style electric heater. With that said… Read More »
Infrared laser temperature sensor guns are very handy for an HVAC technician. I can’t count how many times I have used mine when I otherwise would have had to use a ladder. I know getting a ladder is not a big deal and it has to be done all day long but why do it… Read More »
What is a Fan Limit Switch? A furnace has two switches called a fan limit switch and a high limit switch, these switches can be separate or in one package called a combination switch. High limit switch A high limit control switch will turn off the gas to a furnace if the temperature becomes too… Read More »
During the winter many bathrooms are not as warm as they could be. Often space heaters are used in a bathroom to heat a space while getting ready for the day. While space heaters do work in a pinch they can get in the way and depending on where they are placed may be a… Read More »
If your furnace is giving you trouble and not starting there are several things you can try before calling a technician. While the furnace may have a problem that needs a technician to troubleshoot often there are simple causes. Below are eight common reasons a furnace will not start to try out before calling a… Read More »
A furnace blower motor can be replaced by a handy DIY homeowner which can save money. Of course, if in-doubt be sure to call a professional HVAC technician. A new motor and capacitor will need to be bought to replace the old unit. Most hardware stores will not carry a furnace motor but a new… Read More »
Replacing a furnace filter is often not on the top of the to-do-list. It can be overlooked until the furnace is not working properly or the air becomes less clean. People with allergies are often the first to notice when a furnace filter has become dirty and needs replaced. And just as important a dirty… Read More »
What is Water Column? Water column is how gas pressure is measured. The first devices to measure gas pressure were tubes in a U-shape half filed with water. Pressure was applied to one side of the tube from a gas line and other side left open. How far the gas pressure pushed the water up… Read More »
To buy a new furnace blower motor the old blower motor face plate will need to be looked at. The tag on the motor will say the horsepower, RPM, Voltage, and amps. The model number can be used but in many cases old model numbers don’t match up to new ones. If you cannot find… Read More »
Purchasing a furnace capacitor and installing it is easy to do and falls into the do-it-yourself category. Basic precautions need to be taken mainly turning the power off to the furnace as not to get shocked. Furnaces can fall into three categories when it comes to capacitors. Not have a capacitor at all. Some units… Read More »