How efficient your current heating and cooling equipment is. It should be on a sticker or badge somewhere. If you can’t find it, fossil-fuel furnaces and boilers are usually somewhere between 75% to 90% efficient (the AFUE rating), though it can be as high as 98%. Traditional electric...
Switched-Mode Power Supply AC input voltage: 100...265 VAC DC input voltage: 140...370 VDC Dimensions W x H x D: 70 x 88.8 x 60.8 mm Input frequency: 50...60 Hz Operating temperature: -20...+70 °C Output current 1: 1.7 A Output voltage 1: 24 VDC Input voltage: 100...265...