Jack,
Are you familiar with the Acadia cold temperature air source heat pump? This Old House magazine had an article about it last fall and it sounded like a more affordable alternative to geothermal.Supposedly it works well down to minus 30 degrees instead of the plus 30 of a normal heat pump, so it can be used in colder areas than regular heat pumps, and doesn't need the drilling required for geothermal.It is made by Hallowell,a company in Bangor, Maine, and has only been around a few years.I was keen on geothermal,but can't afford it, and this sounds like a good alternative. going green in caseyville,il (Sent Wednesday, January 28, 2009 7:21 PM)
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