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 | Sep 10, 2010
Occupying only 3 square meters, this single collector system is perfect for up to 2 or 3 people as a solar preheat system. With the closed loop glycol, remote monitoring, heat exchanger automatic anti-fouling, tank and collector overheat protection and long life pump,...