SEER (Seasonal Energy Efficiency Rating) is the “Miles Per Gallon” for air conditioners.

Air conditioners are rated by how many tons of cooling we get for every Kilowatt of electricity we pay the utility for.

How the Math Works

Seer 10 Seer 15 Seer 20
Power Used for 1 Ton  A/C 1.2 KW per hour .8 KW per hour .6 KW per hour
Power Company Charges 14 cents per hour 14 cents per hour 14 cents per hour
You Pay 17 cents per hour 11 cents per hour 8 cents per hour
1 Ton  Seasonal Cost $153 $99 $72

How it Works Out Cost Wise

Seer 10 Seer 15 Seer 20
2 Ton Seasonal Cost $306 $198 $144
3 Ton Seasonal Cost $459 $297 $216
4 Ton Seasonal Cost $612 $396 $288
5 Ton Seasonal Cost $765 $496 $360

Geo-thermal cost chart