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Pastimes : Ask Mohan about the Market

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To: Sid Turtlman who wrote (6876)	11/3/1997 8:28:00 AM
From: Tommaso	Read Replies (1) of 18056

This is off-topic. On the subject of energy efficiency I do not understand why no one offers natural-gas-powered heatpumps for houses--that is, internal combustion engines that power a compressor, running on natural gas. For heating, you would get probably close to 90% efficiency just to start with from the gas, and then depending on the outside temperature that could be tripled. The exhaust could even pre-heat water for a hot water tank--needing no vent or chimeny because forced out under pressure. And in hot weather the compressor coil could also pre-heat water while the unit provided air conditioning. All the technology is already there. The inital expense would be much more than a standard heat pump, but it would cut total energy consumption to about 30%. More on-topic: Does anyone understand the huge run-up in natural gas futures? Also, at what price would crude oil become enough of a drag to affect world stock marekts? Rising oil prices often seem to coincide with market downs.

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