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Okay... After reviewing your new photos, I think I have it figured out. This is what your system looks like You'll have to excuse the glitter pens, it's the only thing I could find on my wife's desk. It's pretty simple actually. When a thermostat calls for heat, the valve for that zone opens, and the boiler is also signaled via the auxiliary switch in ...


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Your propane prices (and fuel oil, for that matter) are pretty steep. They're barely competitive with even simple, pure electric resistance heat. Even if the propane furnace manages to come out ahead of your oil system, there are electric systems that will be far cheaper to run. Some options to consider: Electric Thermal Storage - Using time of use ...


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The first analysis is how much more efficient does the system (LP or Oil) have to be in order to pay for itself over n years assuming annual average fuel costs [a1, a2 ... an] and a potential internal rate of return IRR if the cost of a new system is invested elsewhere. When it comes to energy efficiency, there are often low hanging fruit such as reducing ...


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First, check to see if there are any tax breaks on the LP system for your area. My rule of thumb on energy savings savings is, it must pay off in less than 10 years or half of it's usable life (which ever is shorter). Since you have to replace the unit, see if the difference in cost - expected savings in energy over 10 years justifies going LP. A lot of ...


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You don't offer much detail in your question, so it's difficult to determine exactly what you want to do. If you're just looking for manual control you could just energize the G terminal on the furnace, which will run the fan in high speed mode (if the furnace has a variable speed motor). Most thermostats have a switch labeled AUTO and FAN. If you put the ...



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