Home Climate

A More Comfortable Home

Insulation and Air Leaks

Insulating Walls

Attic Insulation and Bypasses

Attic Ventilation

Bath and Kitchen Fans

Dryer Vents

Heat-recovery Ventilators

Whole-house Heating Systems

Forced Air

Furnace Tune-up

Ductwork

Hot-water Heating

Radiators and Convectors

Heating an Addition

Steam Heating

Gas Burners

Oil Burners

Thermostats

Electric Heat

Electric Resistance Floor Heat

Passive Solar Heating

Installing a Gas Fireplace

Efficient Wood-burning Fireplaces

Wood-burning Stoves

Heat Pumps

Cooling Your Home

Whole-house Fans

Room Air Conditioners

Central Air Conditioners

Dehumidifiers

Humidifiers

Central Vacuum Systems

Electronic Air Cleaners

Water Heaters

Water Heater Repair

Tips for Saving Energy