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.

Where To Buy R22 Refrigerant

R22 is being phased out in favor of more environmental friendly refrigerant types such as R134a. Since 1995 no new R22 refrigerant can be imported or created under the Montreal Protocol. R22 refrigerant can still be bought since it can be recycled from existing sources. When an HVAC service technicians turns in bottles of old… Read More »

How To Read an HVAC Temperature Pressure Chart

An HVAC unit needs the correct pressures to operate and cool a space. If the refrigerant is too low or high, the unit will not operate and cause problems such as freezing up or other problems. Pressure changes as the temperature changes so a pressure temperature chart is used as a reference to get the… Read More »

Our Picks for Best HVAC Vacuum Pumps 2021

With so many HVAC Vacuum Pumps to choose from how can you make sure you’re purchasing the right one for your job? Main Things to Look for When Buying a HVAC Vacuum Pump CFM (Cubic Feet a Minute) Stage (1-Stage or 2-Stage) CFM The CFM (Cubic Feet per Minute) on HVAC vacuum pumps is how… Read More »

How to Fix A Loud Noisy Air Conditioner Unit

A noisy loud air conditioner can be an annoyance especially when sleeping or watching TV. Not all air conditioners are built the same when it comes to how much noise they make. Some are so quiet you don’t even know it has turned on while others can wake you up in the middle of the… Read More »

Where to Buy R410a Refrigerant?

R410a refrigerant can be bought at HVAC supply houses, HVAC repair companies, and online on sites such as eBay. Check here for up-to-date R410a prices on eBay. R410a Refrigerant on eBay How Much Does R410a Cost? This can vary depending on location and where it is bought. For example, if you live nearby an HVAC… Read More »