by jdunkley | Dec 27, 2010
Careful system planning can make your solar hot water system integrate seamlessly with your homes mechanical and potable systems, as well as its aesthetic. Isolation valving can be unobtrusive and offer superior system...
by jdunkley | Oct 11, 2010
In Canada, our available solar profile can be 3-4x greater in the high gain months (summer) than in the low gain months (winter). For a relatively constant load such as domestic hot water, depending on load/capacity, a solar thermal domestic hot water system sized to...
by jdunkley | Sep 1, 2010
What sets this solar thermal installation apart from many others is the variable speed pump control and the reverse return collector. In periods of lower solar radiation (late/early day, winter and overcast/cloudy) and when there is a higher storage tank temperature,...
by jdunkley | Jul 9, 2010
The main advantage of an integrated storage solar thermal system is simplicity (which is reflected in the cost) – no heat exchanger, no pump, no controller and no glycol. The disadvantage is the lack of freeze protection and requirement for the tank on the...
by jdunkley | May 24, 2010
Savings – Calculated $2,800 CAD/year energy cost, displacing 4,100 litres/year of heating oil, 12 1/2 Ton/year CO2 equivalent reduction Type – Forced air, closed loop, water to air, desuperheater Groundloop – Horizontal slinky, 600′ of trench,...
by jdunkley | May 21, 2010
Savings – Calculated $280 CAD/year energy cost, 8.69GJ/year, displacing 2,420 kWh/year of electricity, 1/5 Ton/year CO2 equivalent reduction Type – Preheat domestic hot water 80USGAL, closed loop propylene glycol, thermosyphon loop Equipment – Delta...
