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Eva, They probably won't be very comparable and they shouldn't be but they're both still useful in getting at what you're looking for. The sensible heating energy output from Type56 is the amount of energy that is required by the space in order to maintain temperature. The required boiler energy is the amount of source energy that has to be purchased in order to run the boiler and provide that amount of energy to the zone. The difference between the two is the system inefficiency. The required boiler energy must be higher than the sensible heating requirement from Type56. If it is, then that is an indication that the boiler isn't providing enough energy to keep the space heated. The boiler should also have an output that is the amount of energy actually transferred to the fluid. This value should match the sensible heating demand better; the difference in this case is the inefficiency of the pumping and distribution systems. Best, David On 8/25/2012 11:15, Eva gklezakou
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Dear Sirs, -- *************************** David BRADLEY Principal Thermal Energy Systems Specialists, LLC 22 North Carroll Street - suite 370 Madison, WI 53703 USA P:+1.608.274.2577 F:+1.608.278.1475 d.bradley@tess-inc.com http://www.tess-inc.com http://www.trnsys.com |