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Ecobob Cafe

The Ecobob Cafe is for people interested in eco living to socialise and to share ideas and information.

RE: 180 litre versus x2 90 litre...
By Solar Mike
16 Sep '17 03:09 PM
916

Building design, construction and renovations

This forum is for topics relating to eco friendly building design, construction and renovations.

RE: Spray Polyurethane Foam Insu...
By AAC Mike
15 Sep '17 08:37 PM
844

Real estate and property development

Topics in this forum relate to sustainable real estate and sustainable property development.

Attic space and vilax window
By ap127
15 Jun '17 10:46 PM
96

Switching to Solar Power

Questions, comments or advice about going solar. Solar power is becoming more affordable in New Zealand, but there are still a lot of questions on many people's minds; what size to get, what solar panels, what about storage for solar?

RE: The Whole Problem with Solar...
By SBQ
21 Sep '17 10:12 AM
14

EV Forum - The Electric Vehicle Discussion Board

Chat and ask EV enthusiasts questions about the latest electric vehicle models, from Tesla, Mitsubishi, BMW, Nissan and more. Find info about charging stations and self-driving cars.

RE: Facts about electric cars
By John Hornblow
25 Aug '17 01:50 PM
8

Latest Forum Posts

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Latest Post
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The Whole Problem with Solar PV

For years i've been trying to get around this problem with going solar PV. This past month living in Christchurch i'm convinced the power companies are raking it in. After recent dumps of rain, the spot prices of power have ...
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21 Sep '17 10:12 AM
By SBQ
7

180 litre versus x2 90 litre hot water cyclinders

We are building a new house. Is it more energy efficient to have a one 90 litre hot water cylinder for day to day use with a second one that can be turned on in the guest bathroom when ...
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16 Sep '17 03:09 PM
By Solar Mike
2

Spray Polyurethane Foam Insulation

Hi, I looked around at insulation and came to the conclusion that Sprayed Polyurethane Foam would give me the best level of thermal insulation and sound deadening. So I bought a machine from the US and have arranged to purchase the ...
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15 Sep '17 08:37 PM
By AAC Mike
39

Best water heating option in a large house

Newbie here, so apologies if this is in the wrong place. We've bought an old Auckland house consisting of two dwellings, each with an ancient electric water heater. We are going to combine the dwellings into a single L-shaped home ...
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15 Sep '17 04:25 PM
By RamblinMan
1

Is there a practical way to beef up airtightness & insulation in a stick & fluff build?

If it turns out I can't build with SIPS, are there ways to improve a standard stick and fluff building envelope? For example: thicker studs and thicker fluff, insulated slab, thermally broken windows... Wouldn't these factors alone improve the buildings performance ...
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14 Sep '17 01:06 PM
By SBQ
27

Help designing a solar/wetback hot water system...correctly

Hi there, In the not too distant future I'll be installing a solar hot water system on my house in Palmerston North. Currently there is an old Rinnai inifinty (not sure on size) that supplies just the hot water, ...
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11 Sep '17 07:15 PM
By springlands13@hotmail.com
34

NZ Standards/Safety compliance for a very basic set up

This thread is an offshoot of http://www.ecobob.co.nz/Forum/ForumPosts/14383/Re-PV-for-Hot-Water-only.aspx?ShowForumPostId=14717#ForumPost14717 to deal specifically with meeting NZ Standards/safety for a very basic setup that hooks PV as directly as possible onto a hot water element. So just thinking on shortcuts that will avoid hassle/cost but ...
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04 Sep '17 11:50 AM
By Fraggleb
8

Acoustic Insulation

I have a new building project which has our house essential well insulated externally (SLAB external walls and ROOF) and air tight aiming for passive house standard. My question relates to internal walls, I do not need internal walls and ...
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01 Sep '17 09:41 AM
By SBQ
2

uPVC window Architectural recommendations?

Can anyone recommend good uPVC windows supplier in NZ? Im after something that has good spans/sizes for architectural house designs some seem to be limited to 2.1m high would prefer a suite that can do at least 2.7m high able to be placed ...
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29 Aug '17 09:20 PM
By SBQ
9

Louver windows and passive design/ air tightness

Hi all, we are starting to design our new house with passive design principles in mind. We are up-spec'ing insulation and choosing high performance windows/ frames, have a great thermal mass providing concrete floor throughout with underfloor and perimeter insulation- ...
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26 Aug '17 07:30 PM
By tobias kraus
13