Radiators and heat pumps

Heating load, computed from thirty years of measured station data. Pick a country.

Countries

• United States 638
• United Kingdom 107
• Canada 88
• Australia 34
• New Zealand 16
• Ireland 8

A city appears here only if a station within 50 km, and within 200 m of its elevation, has at least fifteen complete years of record. Where two cities share the nearest station they would carry identical numbers, so only the larger is published.