by jdunkley | Jun 12, 2012
This extended care hospital facility uses a significant amount of hot water and was due for a new hot water system to replace the failing one. The solar hot water preheat system will provide nearly 50% of the load annually to the building. A drainback, preheat...
by jdunkley | Nov 23, 2011
With this installation, inputs such as hot and chilled buffer tank temperatures, 22 room thermostats and outside air temperature are all taken into account to control geothermal heat pumps, circulating pumps and a plethora of control valves. When the heating and...
by jdunkley | Sep 27, 2011
In this application, fuel oil was burned in a low efficiency boiler for space heat and, year round, for domestic hot water. Thermal efficiencies on aging boilers of this type can be as little as 50-60% meaning half the internal energy in the fuel oil is not...
by jdunkley | Mar 25, 2011
With this high quality Canadian made, 4 collector solar thermal array, the owners can expect 15GJ+ of energy to be displaced annually, by the...
by jdunkley | Mar 9, 2011
Most geothermal heat pump installations produce either hot water OR air for hydronic or forced air distribution as well as domestic hot water. A triple function installation does both, it provides hot water AND air for hydronic and forced air space heat as well as...
