Audel HVAC Pocket Reference

Answers when you need them



When you need to check specs, confirm measurements, or make a quick metric conversion on the job, find the answers quickly and easily--right in your pocket.



Your one-stop reference for

* Conversion tables, electrical formulas, pipe thread standards, and motor ampere ratings

* Fuel cost comparisons

* Offset calculations and valve details

* Gas and oil burner specifications

* Pipe performance data

* Weather and design factors affecting heating/cooling calculations

* Troubleshooting guidelines