Heat-Loss Calculator › Reference tables
Pipe heat-loss reference tables
Bare vs. insulated heat loss (W/m), touch-safe surface temperature, annual CO₂ and removable-insulation payback for common steel pipe sizes and temperatures, by the ASTM C680 method. Pick a size and temperature, or open the full calculator.
Need a whole-plant total?
Add every pipe, valve, tank and vessel into one project for a site-wide energy, cost and CO₂ total — then get a fixed insulation price.
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