What's HVAC? Heating and Cooling System Basics
We expect our heating systems to keep our homes warm during the winter, and we depend on air-conditioning to keep us cool in summer. But most of us have no idea how these systems work. Learn the basics of HVAC.
Iuliia Burmistrova Getty Publications International Ltd Iuliia Burmistrova Cooling Systems Cooling Distribution
Source: howstuffworks.com