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BroadHopper · 02-03-2014, 04:20 PM

I use to work for a large company in Nashua. Originally the company had #6 fuel burned in converted coal furnaces. In the 90's the furnace were replace with dual fuel, natural gas and #2 oil. The cooling system was unique in that water from the river were poured over condensers to cool the air. About that same time the EPA considered this method hazardous and the company converted to air pump cooling system. The end result in negligible savings as the money saved on heating fuel was pumped into the new cooling system as it required mega electricity to operate.

There was a processor that when feed with the cost of both fuels, the processor will switch to whatever is cheaper.

Today, PSNH determines when the company burns natural gas or oil depending on the demand and not the price. Actually costing the company more on the long run.

02-03-2014, 04:20 PM	#15
BroadHopper Senior Member Join Date: Oct 2004 Location: Laconia NH Posts: 5,583 Thanks: 3,227 Thanked 1,106 Times in 796 Posts	Canal Street in Nashua I use to work for a large company in Nashua. Originally the company had #6 fuel burned in converted coal furnaces. In the 90's the furnace were replace with dual fuel, natural gas and #2 oil. The cooling system was unique in that water from the river were poured over condensers to cool the air. About that same time the EPA considered this method hazardous and the company converted to air pump cooling system. The end result in negligible savings as the money saved on heating fuel was pumped into the new cooling system as it required mega electricity to operate. There was a processor that when feed with the cost of both fuels, the processor will switch to whatever is cheaper. Today, PSNH determines when the company burns natural gas or oil depending on the demand and not the price. Actually costing the company more on the long run. __________________ Someday may never be an actual day.