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Thread: DVS vs Heat Pumps

  1. #1
    Join Date
    Dec 2004
    Location
    Johnsonville, Welly
    Posts
    91

    Red face DVS vs Heat Pumps

    Hi Guys,

    Hope everyone is doing well out there where ever they may be

    We're soon to be moving into our little homestead in Johnsonville and were wondering about installing either a DVS system or a Heat Pump system...being very lay in this area I was wondering if anyone has any opinions or advice.

    Our rental at the moment suffers awfully with condensation...and we don't want the same problem in our new home...good thing is it has central heating installed unusual for out here!

    Cheers

    Rich

  2. #2
    Join Date
    Sep 2004
    Location
    earth
    Posts
    459

    Default

    If you have centeral heat in the new place you will not need a heatpump, they are both just for heating. As to DVS, with central heat you probably will not need it. I would live there first and see how it goes. We have central heat and have a portable dehumidifyer we run maybe once a week. No problems with dampnes really, our old house in LA was much worse than our new one with damp and mold.

  3. #3
    Join Date
    Jul 2005
    Posts
    1,521

    Default

    I agree with Clg - if you have central heating (lucky sod) - heatpumps are just doubling up. You would only really get any use out of them for aircon. If you were over in the Wairararpa - then you would probably want Aircon - but you should be ok in Johnsonville.

    Ive just recently been given some advise in this area (we need to install heatpums because we need aircon + heating) - which was to hold off for a full year till you KNOW whether you need any of these systems. DVS will prevent "Crying houses" - but our house for example doesnt suffer with this too much - so it would be a waste of money. Its better to go though 1 whole cycle of seasons and work out whether you will actually benefit fully from the cost.

    Just my 2p.

  4. #4
    Join Date
    Sep 2004
    Location
    earth
    Posts
    459

    Default

    Wrote that last post quickly as I was running out the door. Forgot to add Congratulations on the new house!!!

  5. #5
    Join Date
    Sep 2004
    Location
    Wellington, NZ - Yay!
    Posts
    1,091

    Default

    I'm a bit confused if you have central heating that means you need no heating (or did you mean that you have central heating in the rental you're in at the moment?)

    If you're suffering condensation in the rental then I'd recommend a dehumidifier. Was discussing the other day with our energy specialist at work & if you're heating a house with condensation, water mixed with air takes longer & costs more to heat, whereas if you remove the water from the air it heats up quicker, thus being cheaper!

    If you're buying a new system for your new home a DVS I believe is the system you need to go for - this takes all the moisture out of the air & redistributes the heat around the house (I think its about $3K to install).

    Good luck!

  6. #6
    Join Date
    Jan 2006
    Location
    John Day, Oregon
    Posts
    146

    Default

    I give up, what's a DVS?

  7. #7
    Join Date
    Jun 2005
    Location
    UK>Welly>Boonies>where next?
    Posts
    3,756

    Default

    Domestic Ventilation System.

  8. #8
    Join Date
    Jul 2005
    Posts
    1,521

    Default

    Quote Originally Posted by sarahw

    If you're buying a new system for your new home a DVS I believe is the system you need to go for - this takes all the moisture out of the air & redistributes the heat around the house (I think its about $3K to install).

    Good luck!
    Another point in its favour - its likely to cost about 20k to fit heatpumps throughout our house. Admittedly it is 5 bedrooms - and it has confused them because its on 2 floors I mean - the cheek of it!
    Last edited by Avalon; 8th June 2006 at 09:56 PM. Reason: really have to learn to type proper like

  9. #9
    Join Date
    Sep 2004
    Location
    Wellington, NZ - Yay!
    Posts
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    That's why we only have heating in the lounge!! We're on 4 floors!! Higgledy piggledy house - DVS may work out being the best system - unless you're in a bungalow!

  10. #10
    Join Date
    Jan 2006
    Location
    John Day, Oregon
    Posts
    146

    Default

    I would never have guessed

    The most common abbreviation in these parts is HVAC - Heating, Ventilation, and Air Conditioning

    Does a DVS just move air around the house, heated by some other source?

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