Night Setback Energy Savings Calculator

Calculate energy savings from night and weekend temperature setback strategies.

Building design heating load.
MBH
Temperature during occupied hours.
°F
Temperature during unoccupied hours.
°F
Total hours per week in setback mode.
hrs/week

Results

Weekly Energy Savings-therms
Annual Energy Savings-therms/year
Heating Energy Reduction-%
References: ASHRAE Handbook - Fundamentals, Chapter 19 (Energy Estimating Methods)