Products

Paid downloads that take the free calculators further. They use the same sources and the same math as the tools on this site.

PT Chart Pack Field Kit: 10 Refrigerant PT Charts, Pocket Cards and Superheat/Subcooling Log Sheets (Printable PDF)A printable toolbox for HVAC/R technicians and apprentices.Coming soon$9PDF, 20 pages, US Letter, prints in black and white