ENERGY SURVEYS

Payback Analysis

The typical payback period is less than one year.

Example: 6" 150# Gate Valve (includes covering mating flanges.)

Annual Energy Cost: Bare Surface (uninsulated)

$339/year

Annual Energy Cost: Insulated (1 1/2" TK Insultech Blanket)

$17.36/year

Annual Savings: (year after year from Insultech)

$322.57/year

Total Savings: (15-year service life)

$4,838.55

Initial Cost of Insultech Blanket Insulation

$306

Payback period on initial investment:

11.4 months

The above calculations are based on the following criteria:

Operating Temperature:

357ºF

Ambient Temperature:

80ºF

Operating Hours:

8760 hr/yr

Fuel Cost:

$5.50/mm BTU (1,000 lb/stm)