Home > Weatherization > Water Heater Sealing

Insulating domestic hot water pipes is one of the easiest 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