The one that saves you the most money.
Air conditioner design temperature.
So if the air in your home is 85 degrees for example your air conditioner can lower your air s temperature to about 65 degrees.
Not the thermostat s temperature reading.
If your air conditioner lowered your air s temperature any more than 20 degrees the air coming out of your vents.
The right temperature for your air conditioner is.
Raising your thermostat from 74 f 23 3 c to 78 f.
It s the temperature that feels comfortable.
What temperature should i set my air conditioner in summer.
Air conditioners are designed to lower the temperature of your home s air by about 20 degrees.
Temperatures outside at the air conditioner compressor condenser.
If the 1 summer design temperature is 91 f as in atlanta a manual j report showing that the load calculation was done with 97 f will result in an oversized air conditioner.
You can save 3 5 on air conditioning costs for each degree that you raise the thermostat.
Outdoor temperatures start heating up you turn on your central air conditioning and now it s decision time.
Get your equipment sized for design loads not extreme loads.