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How much is the refrigerant subcooled? COP = Coefficient of Performance   = (net refrigeration effect) / (heat of compression)   = RE/HC RE (evaporator)= hl – he HC (Compressor) = hl – he EER = COP x 3.414 Cooling Capacity = (BTU/lb x lb/min x 60 min/hr) Compression Ratio = Ph/ Pl

Ground source heat pumps can only be used as air conditioning units, not as heating units.

Ground source heat pumps can only be used as air conditioning units, not as heating units.

Electric demand charges are a large portion of the cooling bill for large buildings.  Since cooling typically contributes to peak demand, the cost per kWh used for cooling is effectively higher than the average cost per kWh.

How was Georgia’s establishment different than that of the other English colonies?

By the time of the English colonization of the Americas, the monarchy shared power with __________, a government body of both appointed and elected members.

Which of the following statements correctly describes the burst of intellectual inquiry known as the Enlightenment?

Why did the British colonies oppose the Sugar Act of 1764?

By the time of the English colonization of the Americas, the monarchy shared power with __________, a government body of both appointed and elected members.

Why did the British colonies oppose the Sugar Act of 1764?