Climate Zone Lookup for Major U.S. Cities

• Northern: Mostly heating
• North/Central and South Central: Heating and Air Conditioning
• Southern: Mostly Air Conditioning

City	State	Zone
Albuquerque	New Mexico	North/Central
Anchorage	Alaska	Northern
Atlanta	Georgia	South/Central
Birmingham	Alabama	South/Central
Bismarck	North Dakota	Northern
Boise	Idaho	Northern
Boston	Massachusetts	Northern
Brownsville	Texas	Southern
Buffalo	New York	Northern
Burlington	Vermont	Northern
Charleston	South Carolina	South/Central
Cheyenne	Wyoming	Northern
Chicago	Illinois	Northern
Dayton	Ohio	Northern
Denver	Colorado	Northern
El Paso	Texas	South/Central
Fort Worth	Texas	South/Central
Fresno	California	South/Central
Great Falls	Montana	Northern
Honolulu	Hawaii	Southern
Jacksonville	Florida	Southern
Kansas City	Missouri	North/Central
Lake Charles	Louisiana	Southern
Las Vegas	Nevada	South/Central
Los Angeles	California	South/Central
Madison	Wisconsin	Northern
Medford	Oregon	Northern
Memphis	Tennessee	South/Central
Miami	Florida	Southern
Minneapolis	Minnesota	Northern
Nashville	Tennessee	North/Central
New York	New York	Northern
Oklahoma City	Oklahoma	South/Central
Omaha	Nebraska	Northern
Philadelphia	Pennsylvania	Northern
Phoenix	Arizona	South/Central
Pittsburgh	Pennsylvania	Northern
Portland	Oregon	Northern
Portland	Maine	Northern
Raleigh	North Carolina	North/Central
Red Bluff	California	South/Central
Reno	Nevada	Northern
Salt Lake City	Utah	Northern
San Antonio	Texas	Southern
San Diego	California	South/Central
San Francisco	California	South/Central
Seattle	Washington	Northern
Washington	District of Columbia	North/Central