Energy Tip:
Install a programmable thermostat to keep your house comfortably warm in the winter and comfortably cool in the summer.

Heating Systems: Documents
- How to Buy an Energy Efficient Gas Furnace (pdf, 68 KB) -- Department of Energy (DOE)
- Duct Sealing (pdf, 88 KB) -- Energy Star
- Home Heating (pdf, 256 KB) -- Minnesota Department of Commerce, Energy Assistance Program
- High Efficiency Gas Furnaces (pdf, 504 KB) -- Philadelphia Gas Works (PGW)
- Home Heating Fact Sheet (pdf, 823 KB) -- Pacific Gas and Electric Company
Heating Systems: On the Web
- High Efficiency Gas Furnace -- Energy Guide Library
- Energy Star Qualified Central Natural Gas Furnaces -- Pacific Gas & Electric (PG&E)
Tax Incentives
- Federal Tax Credits for Consumer Energy Efficiency -- EnergyStar