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Date:         Thu, 6 Feb 2003 08:58:46 -0500
Reply-To:     David Brodbeck <gull@CYBERSPACE.ORG>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Brodbeck <gull@CYBERSPACE.ORG>
Subject:      Re: pelonis ceramic heater
Comments: To: Marc Perdue <marcperdue@ADELPHIA.NET>
In-Reply-To:  <3E41E3CD.C4E617EB@adelphia.net>
Content-Type: TEXT/PLAIN; charset=US-ASCII

On Wed, 5 Feb 2003, Marc Perdue wrote:

> One other note about heaters that David didn't mention, for those of you > concerned about the environment and squandering of resources (oh wait, we drive > big old gas-guzzling vehicles...), is that for every unit of electricity that > you convert completely to heat, a seemingly 100% efficient operation, 3 units > of some other fuel source are required to create it. In other words, even if > you convert all the electricity to heat, you're still only operating at 33 1/3 > % efficiency. Electricity, a high-grade form of energy, is NOT a good way to > produce heat, a lower-grade form of energy, efficiently. Better to burn > something like propane or natural gas . . .

I'd guess bottled propane isn't so great, efficiency-wise, either. Consider the energy needed to seperate it, chill it, compress it, and truck it to where you got your fill, plus the amount bled off during filling.

_ _ __ _ _ _| | | | David M. Brodbeck (N8SRE) Ypsilanti, MI / _` | | | | | | +----------------------------------------------------- | (_| | |_| | | | @ cyberspace.org \__, |\__,_|_|_| "To the optimist, the glass is half full. To the |___/ pessimist, the glass is half empty. To the engineer, the glass is twice as big as it needs to be."


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