Advantages

HVAC (heating, ventilating, and air-conditioning) refers to the equipment that provide either collectively or individually the heating, ventilating, or air-conditioning processes to a home.

Savings

HVAC accounts for 40% to 60% of the energy used in U.S. commercial and residential buildings. A huge opportunity for energy savings using proven technologies and design concepts.

Issues

HVAC systems have an abundance effect on the health, comfort. Issues like user discomfort, improper ventilation, and poor indoor air quality are linked to HVAC system design and operation and can be improved by better mechanical and ventilation systems. In existing homes, upgrades are often necessary to maximize comfort and energy efficiency.

More Information On This Topic

Energy Star: A Guide to Energy Efficient Heating & Cooling

Kansas State University: Selecting a Home Heating System

Energy Efficiency and Renewable Energy Clearinghouse: Cooling Your Home Naturally

Energy Efficiency and Renewable Energy Clearinghouse: Programmable Thermostats

Energy Efficiency and Renewable Energy Clearinghouse: Cooling Your Home with Fans and Ventilation

Energy Efficiency and Renewable Energy Clearinghouse: Energy Efficient Air Conditioning

U.S. Department of Energy's Building Technologies Program: Heating & Cooling Systems