Ground water pumps have better efficiency yes. If you put it in from the start or during a major renovation of the house you can also use it for heating water. The downside is that the investment is ten times of an air to air system. So for me it is out of the question I'm afraid.
Tim Mostly harmless (just plain Norwegian) -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kenneth Waller Sent: 29. desember 2006 22:36 To: Pentax-Discuss Mail List Subject: Re: Doomsday is coming upon us? >Are they making better heat pumps these days? Ground water heat pumps have been available for many years & are able to provide the primary heat @ much lower ambient temps due to the temperature of the available ground water. Kenneth Waller ----- Original Message ----- From: "Gonz" <[EMAIL PROTECTED]> Subject: Re: Doomsday is coming upon us? > > > [EMAIL PROTECTED] wrote: >> Very well put Jostein. >> >> Add like to throw in a thought or two. The two main problems is transport >> and heating/cooling. >> >> We have all noticed that Godfrey has bought himself a fancy new >> environmental car. By doing this he contributes directly. This has >> started a >> spin off of this thread. I believe it means that his purchase has had >> impact >> on our way of thinking. Kudos for that. >> >> By doing these small things we influences each others mindset. I on the >> other hand have decided to put my heat pump on hold. Instead I have >> decided >> to isolate my house better. > > Good choice. Are they making better heat pumps these days? I lived in > the northern USA for a while and a heat pump that was in one place I > lived was only effective down to some lower threshold temp, then the > electric heat (ouch, expensive) would take over. > > > -- > Someone handed me a picture and said, "This is a picture of me when I > was younger." Every picture of you is when you were younger. "...Here's > a picture of me when I'm older." Where'd you get that camera man? > - Mitch Hedberg > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
