Area of Round Ducts
BTU's Pipe Size
Delta-T charts
Equivilent Feet of Pipe Charts (fittings)
Expansion of Pipes Chart
Fuel oil Pump Pressure Chart
Glossary of Terms
Heat Loss Bare Steel Pipe
Heat Loss Bare Copper Pipe
Steam Temperature Pressure Chart
Links to Industry Manufacturer Sites
O2/Co2 Conversion Charts
R-Value Wall Calculations
Steam_Radiator_Sizing_Charts
Information Sizing Steam Pipes
Useful Charts High Efficiency Boilers
Water volume of Radiators and Piping (useful when doing antifreeze calculation)

Disclaimer: The information found on this web site is for informational purposes only. All preventive maintenance, service, installations should be reviewed on a per job situation. Any work performed on your heating system should be performed by qualified and experienced personnel only. Comfort-Calc or it's personnel accepts no responsibility for improper information, application, damage to property or bodily injury from applied information found on this web site.