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18 Jul '12, 4pm

Geothermal Heat Pumps: The Best of the Best: Waterfurnace Renewable Energy (TSX:WFI, OTC:WFIFF) launched its ne...

Geothermal Heat Pumps: The Best of the Best: Waterfurnace Renewable Energy (TSX:WFI, OTC:WFIFF) launched its ne...

I looked at the technology behind these new heat pumps in the article Geothermal Heat Pumps: The Next Generation in May, soon after Climatemaster introduced the Trilogy. At the time, we only knew that Waterfurnace expected the 7 Series to be “more efficient” than the Trilogy. Now we have detailed specs, I thought I’d compare them head-to-head: As you can see from the chart above, Waterfurnace managed to nudge out Climatemaster in both cooling (EER) and heating (COP) efficiency ratings. Both are on linear scales, so the Series 7 is 2.5% more efficient at cooling and 6 percent more efficient for heating than the Trilogy. With top efficiency ratings, the Waterfurnace GHP will likely appeal to customers who must have “the best” of everything. Other Factors The efficiency of the GHP unit is only one factor in overall system efficiency, and efficiency is only one factor in the d...

Full article: http://www.renewableenergyworld.com/rea/news/article/2012...

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