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 there are… Read More »
If you have an overhead vent at home or an office that the airflow needs adjusting there is an easy way to fix this. Some vents push out more air than is wanted or blow the air directly over the wrong space causing discomfort. A way to fix this is to install an adjustable air… Read More »
Some years are worse than others for allergies with this being a bad year for allergies at least for me. Locally where I live the dust and pollen in the air seem to be worse than usual making me sneeze constantly and a nose that won’t stop running. Besides allergy medication there is not much… Read More »
Taking temperature readings is part of an HVAC technician’s job from reading air differences at the supply and return, to reading super-heat and sub-cooling. So what makes for a good HVAC thermometer? This really depends on the job. For example, pocket thermometers are a great tool to carry around and get general readings, such as… Read More »
A furnace draft inducer vents toxic gasses that come from the burner. The inducer motor insures there is constant flow of air outside through a vent so no toxic gasses enter a home. A Draft Inducer pulls toxic gasses from a furnace and pushes them out a vent pipe. An Inducer should start up before… Read More »
Finding a refrigerant leak on an HVAC system can be easy at times and other times almost impossible. One method is to use a bubbly liquid sprayed around were a possible leak is to visibly be able to see the leaks location. Using this method does work but often requires lots of time, especially for… Read More »
A video is at the bottom of the page for a visual walk-through if needed. Replacing a swamp cooler motor falls in the Do-It-Yourself category for a handy type of person. The side panels will need to be removed along with some basic tools to unbolt the motor. Remember when removing any bolts or wiring… Read More »
Are you starting a HVAC career? Or possibly a at home do-it-yourself type person looking to save money on repairs? Then below are our top ten picks for books on HVAC. One of the things about HVAC is that the technology hasn’t moved as fast as many other fields, especially fields that are computer science… 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 »