Sizing Chart


Zone 1
Zone 2
Zone 3
Zone 4
Zone 5

Heat Pump and Air Conditioning Chart

. Zone 1 Zone 2 Zone 3 Zone 4 Zone 5
18,000 BTU / 1.5 Tons 600 - 900 sf 600 - 950 sf 600 - 1000 sf 700 - 1050 sf 700 - 1100 sf
24,000 BTU / 2 Tons 901 - 1200 sf 951 - 1250 sf 1001 - 1300 sf 1051 - 1350 sf 1101 - 1400 sf
30,000 BTU / 2.5 Tons 1201 - 1500 sf 1251 - 1550 sf 1301 - 1600 sf 1351 - 1600 sf 1401 - 1650 sf
36,000 BTU / 3 Tons 1501 - 1800 sf 1501 - 1850 sf 1601 - 1900 sf 1601 - 2000 sf 1651 - 2100 sf
42,000 BTU / 3.5 Tons 1801 - 2100 sf 1851 - 2150 sf 1901 - 2200 sf 2001 - 2250 sf 2101 - 2300 sf
48,000 BTU / 4 Tons 2101 - 2400 sf 2151 - 2500 sf 2201 - 2600 sf 2251 - 2700 sf 2301 - 2700 sf
60,000 BTU / 5 Tons 2401 - 3000 sf 2501 - 3100 sf 2601 - 3200 sf 2751 - 3300 sf 2701 - 3300 sf

Select which Zone your home is located in, match up your square footage and slide accross to left to find your homes BTU’s on Tonage (Do not count basement in your homes square footage.)