HVAC City Guides
Select your city for HVAC sizing information specific to your location, including design temperatures, climate data, and local utility information.
Houston, TX
Zone: 2A | Summer: 96°F | Winter: 28°F
Phoenix, AZ
Zone: 2B | Summer: 110°F | Winter: 34°F
Dallas, TX
Zone: 3A | Summer: 100°F | Winter: 22°F
San Antonio, TX
Zone: 2A | Summer: 98°F | Winter: 30°F
Austin, TX
Zone: 2A | Summer: 100°F | Winter: 26°F
Jacksonville, FL
Zone: 2A | Summer: 95°F | Winter: 35°F
Columbus, OH
Zone: 5A | Summer: 90°F | Winter: 5°F
Charlotte, NC
Zone: 4A | Summer: 93°F | Winter: 18°F
Indianapolis, IN
Zone: 5A | Summer: 88°F | Winter: 2°F
Denver, CO
Zone: 5B | Summer: 92°F | Winter: 3°F
Seattle, WA
Zone: 4C | Summer: 85°F | Winter: 25°F
Nashville, TN
Zone: 4A | Summer: 95°F | Winter: 18°F
Oklahoma City, OK
Zone: 3A | Summer: 98°F | Winter: 14°F
Las Vegas, NV
Zone: 3B | Summer: 108°F | Winter: 30°F
Louisville, KY
Zone: 4A | Summer: 92°F | Winter: 14°F
Portland, OR
Zone: 4C | Summer: 90°F | Winter: 24°F
Memphis, TN
Zone: 3A | Summer: 95°F | Winter: 20°F
Baltimore, MD
Zone: 4A | Summer: 92°F | Winter: 15°F
Milwaukee, WI
Zone: 6A | Summer: 86°F | Winter: -5°F
Albuquerque, NM
Zone: 4B | Summer: 96°F | Winter: 18°F
New York, NY
Zone: 4A | Summer: 91°F | Winter: 13°F
Chicago, IL
Zone: 5A | Summer: 92°F | Winter: 2°F
Los Angeles, CA
Zone: 3B | Summer: 83°F | Winter: 42°F
Philadelphia, PA
Zone: 4A | Summer: 93°F | Winter: 10°F
Atlanta, GA
Zone: 3A | Summer: 94°F | Winter: 22°F
Miami, FL
Zone: 1A | Summer: 92°F | Winter: 47°F
Boston, MA
Zone: 5A | Summer: 89°F | Winter: 9°F
Detroit, MI
Zone: 6A | Summer: 88°F | Winter: 6°F
Minneapolis, MN
Zone: 6 | Summer: 91°F | Winter: -8°F
Washington, DC
Zone: 4A | Summer: 94°F | Winter: 18°F