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 »