[Greenbuilding] Manual J calculations and Geothermal heat pumps (Stephen)

[Danny Aerts]

We have a Hydron heat pump and have been very satisfied with it. It is now 
2 years old and hasn't had any problems. We do not have the optional water 
heating component.

At 12:00 PM 7/4/2006, you wrote:

>Message: 3
>Date: Tue, 04 Jul 2006 12:53:54 -0400
>From: Stephen <Stephen at StephenLevineArchitects.com>
>Subject: [Greenbuilding] Manual J calculations and Geothermal heat
>         pumps
>To: greenbuilding at listserv.repp.org
>Message-ID: <001401c69f8a$6f224d20$0401a8c0 at NEWPOTATO>
>Content-Type: text/plain; charset=Windows-1252
>
>I am starting a house that will have geothermal heat pumps for heating and 
>cooling.
>
>I am getting some conflicting feedback on sizing from two different subs. 
>I would like to do Manual J calculations to test the numbers. Does anyone 
>know of software available as a demo (or free) that will allow me to do 
>this? I know I can purchase the software for $300 or more, but this will 
>be a one time affair and do not want to pay for that. The demos I have 
>seen will let you do 3 rooms or will not permit printing or saving - not 
>terribly useful.
>
>One of the subs is proposing Hydron Module as the manufacturer of the heat 
>pumps. Anyone out there with experience with this brand - good or bad?
>
>TIA
>
>Stephen Levine


Danny Aerts
University of Wisconsin
608-263-3231