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

How to Pass the EPA 608 Certification Exam Test

If you are worried about how hard the EPA 608 exam is and passing it, don’t. Passing the EPA 608 exam is not hard especially if you can memorize things easily. Not to say it is a cake-walk but many people stress about it more then they need to. What Is the EPA 608 Exam?… 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 general readings,… Read More »

Can You Become EPA 608 Certified Online?

If you need to get an EPA certification to work with refrigerants you may wonder if you can get certified online. This is a yes and no question as I will explain below. Some parts of the test can be taken online but the more advanced certification most HVAC technicians need have to be proctored.… Read More »

Furnace Filters Reviews: Best to Worst

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 »

Our Picks for Best 120 Volt Electric Garage Heaters

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 »