heating and cooling systems: an overview

pptxgenjs presentation heating and cooling systems: an overview heating and cooling systems provide comfort and efficiency in buildings. they account for 40% of us home energy use. the goal is balancing comfort, cost, and environmental impact for every space. 1 basic principles heating transfers thermal energy into a space to raise temperature. cooling removes thermal energy to lower temperature and increase comfort. thermodynamics heat naturally flows from warmer to cooler areas. key metrics btu: amount of heat energy seer: cooling efficiency rating hspf: heating efficiency rating 2 types of heating systems furnaces gas, oil, electric models with 80-98% efficiency (afue). heat pumps air-source and geothermal types with 200-400% efficiency (hspf). boilers hot water or steam systems, 85-95%...

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