• ### Calculating Heat Loss of Windows | EGEE 102: Energy ...

Annual energy savings = 49.745 MMBTUs -13.680 MMBTUs = 36.06 MMBTUs. The percent savings is 36.06 M M B T U 79.84 M M B T U × 100 = 45.1 % The old heating bill would be 79.803 M M B t u * \$ 11.15 M M B t u = \$ 889.80. The new heating bill would be 43.743 M M B t u * \$ 11.15 M M B t u = \$ 487.73. The monetary savings = \$402.06 per year. The Pay Back Period =

Get a Quote
• ### Effect analysis on power coefficient enhancement of a ...

Sep 01 2018 · The results show that the device is useful for the wind energy usage wind energy conversion and the wind resistance reduction of the opposite vehicle. At the same time when the inlet wind speed is 15 m/s the tip speed ratio (TSR) is 1.4 the device is rectangular turbine (RT) the height of blade is 1.55 m the number of blades is 4 and the maximum power coefficient C p is 0.363.

Get a Quote
• ### Electric Resistance Heating | Department of Energy

Electric resistance heating is energy efficient in the sense that all the incoming electric energy is converted to heat. However most electricity is produced from coal gas or oil generators that convert only about 30% of the fuel's energy into electricity.

Get a Quote