Powertrade Services LLC

The best and number one selling duct sizing tool for Android devices with thousands of happy users. For less than the cost of a cardboard wheel ductul …

Improve accuracy when sizing equipment, demonstrate professionalism on the job, and add substance to your proposals by using our heat loss and heat ga …

Refrigerant PT Chart• 75 Refrigerants• Pressure Units psig/inHg, kPag, kPa, psig, psia, atm, inHg, MPa, barg, bara• Temp Units °F, °C, KelvinTemperatu …

Make your job easier with our handy refrigerant charging and diagnostic HVAC app - HVAC Buddy®. If you are servicing equipment the best way to begin d …