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Insulating domestic hot water pipes is one of the easest and most cost effective measures you can do. The cost of pipe insulation is about $0.29 to $0.35 per foot. Savings will depend on heating fuel (see below), but in all cases the payback is well within one year.
- Annual Savings (Oil Heat @ $1.10/gallon): $0.58 per foot
- Annual Savings (Natural Gas @ $0.75/therm): $0.56 per foot
- Annual Savings (Electricity $0.10/kWh: $1.20 per foot
(source: All About Insulation, Massachusetts Audubon Society, 1986, p 18)
Tube pipe insulation may be used on domestic cold and hot water pipes. Pipe insulation will help to reduce heat loss by up to 80 percent through hot water pipes and will stop sweating on cold water pipes. Pipe insulation can also help reduce plumbing noise. It is pre-slit for easy installation (simply snapping onto the pipe), and may be trimmed with a utility knife. One package includes four 36 inch long pieces. Two sizes are available. The 3/4 inch ID (inside diameter) tube is suitable for use on 3/4" copper tubing, 1/2" PVC pipe, and 1/2" steel pipe. The 1/2 inch ID tube is suitable for use on 1/2" copper tubing, 3/8" PVC pipe, and 3/8" steel pipe.
- Wall Thickness: 3/8 inch
- Approvals: ASTM E83 25/50 Rated
- Origin: Canada
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