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Posted by HeatPro on June 18, 2006 at 14:47:04:
In Reply to: wasteage for three boilers posted by janet on June 18, 2006 at 14:26:57:
No, there is no waste in comparing one or three 93% AFUE 80,000 boilers or a 93% 200,000 btuh AFUE boiler. As a side benefit, each 80,000 btuh boiler will modulate down to what is demanded by the apartment.
"Since the KNIGHT can reduce its heat output as much as 80%, the indoor air temperature does not fluctuate between cycles, as can happen with traditional “forced air” heating systems that are either on or off. The KNIGHT’s 5:1 turndown also extends the lifespan of the equipment by eliminating unnecessary starting and stopping of the boiler."
http://www.lochinvar.com/newsroom.asp?page=pr&id=92