Insulation Efficiency Calculators

Piping and Ductwork have “emmisive” or radiation losses when insulation is removed and the bare steel is exposed. These can have considerable energy costs, which when calculated, show almost immediate cost savings for repairs.

• Cost of Missing Pipe InsulationPipe Insulation
• Cost of Missing Duct InsulationDuct Insulation
• Return On InvestmentROI
• About This CalculatorAbout

 Print this page
Missing Piping Insulation

		Values
Length of piping to be insulated	100		Lineal Ft
Nominal Pipe Size	1	select one 1 1.5 2 2.5 3 3.5 4 5 6 8 10 12	inches
Steam or Process Temperature F	700		°F
Ambient Temperature	80		°F
Annual operating hours	8760		hours
Fuel Cost/MMBtu	8.00		$/MMBtu

Suggested Insulation should follow the following energy Code for new construction.
ASHRAE 90.1 Energy Standard 2010 TABLE 6.8.3A Minimum Pipe Insulation Thickness

Fluid operating Temperatures Range	Pipe Diameter
	<1"	<1-1/2"	1-1/2" to <4"	4+"
>350 °F	4.5"	5.0"	5.0"	5.0"
251-350 °F	3.0"	4.0"	4.5"	4.5"
201-250 °F	2.5"	2.5"	2.5"	3.0"
141-200 °F	1.5"	1.5"	2.0"	2.0"
105-140 °F	1.0"	1.0"	1.5"	1.5"