Category Archives: HVAC how to

HVAC or Heating Ventilation and Air conditioning has been with us for some time now from gas furnaces to cooling the air in our homes. The problem as with anything modern is it cost money when things break. This site is here to help everyone from the at home do-it-yourself person to the beginning HVAC technicians. With articles about troubleshooting HVAC problems.

What is the Best HVAC Refrigerant Scale?

Having a good refrigerant scale is an important part of any HVAC techs job. Knowing the exact amount of refrigerant that is added to a system is crucial in getting a job done right. What is a HVAC Refrigerant Scale? An HVAC refrigerant scale measures the amount of refrigerant that has gone into a system… Read More »

How to Oil the Bearings on a Swamp Cooler

A video is at the bottom of the page for a visual walk through if needed.   Evaporative coolers need basic maintenance every year to help them last many years.   Oiling the bearings on the rib cage fan is one of those things that should be done yearly.   Keeping them oiled up is… Read More »

What Is the Best Way to Heat and Cool a Mobile Home?

Heating and cooling a mobile home can defer from a standard home.   From the installation of a HVAC system to the build of the mobile home itself some things defer from conventional home.   Installation of an air conditioning system into a mobile can often be easier since they are often not set on… Read More »

What is a Good Thermometer for HVAC?

Taking temperature readings is part of a HVAC technicians 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… Read More »

Our Picks for Best HVAC Vacuum Pumps 2019

With so many HVAC Vacuum Pumps to choose from how can you make sure you’re purchasing the right one for your job?   Most air conditioning systems today require a critical charge for optimal operation this makes them very sensitive to moisture and other contaminants which can freeze up the system, corrode the metals, and… Read More »

Our List for The Top Ten Best HVAC Books 2019

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 »