13 Feb 13 10:26 PM

I am running a 400m3 ventilation system with heat recovery and got a bit confused with 007s description of how HRV works... According to manufacturer, you don't vacuum the air from your living room, b......read more

13 Oct 12 9:53 PM

I thought ply or OSB would be the stronger option, but could not really find any OSB reseller. Am a bit afraid of ply as any piece I had ended up warped after a few weeks. Is OSB used at all in NZ?...read more

13 Oct 12 12:00 AM

I don't know GW or his products or his company. I have asked him to contact me on this forum, but he never did. I look for better practices and for better products and that is why I come back to this ......read more

12 Oct 12 11:30 PM

Sorry, not really getting what your problem is. Regarding the testing, it is good to test things that have not been tested (for the benefit of the end user), but there are world wide organisations tha......read more

12 Oct 12 10:40 PM

You have been complaining about GW comments on the other thread, so not really sure what your motivation is to write this stuff. You're not really making a remarkable example. Anyway, still not manage......read more

10 Oct 12 11:25 PM

cazigues heating screed = European method of thin screed Using full slab for storage is called TABS (thermo active building system)... the main point of that system is that you can heat the space with......read more

9 Oct 12 11:07 PM

At the same time... GIB EzyBrace Systems 2011 are the only wall bracing systems that are BRANZ Appraised (Appraisal No.294 (2011). Makes no sense to me......read more

9 Oct 12 9:07 PM

From the news (somebody posted on eboss) http://tinyurl.com/c3fm4cy...read more

9 Oct 12 9:03 PM

Good luck... I have called everybody I could find in Wellington and any features other than regular stuff is a hard sell to the valuer... Actually, as previous post states, their reference is the aver......read more

9 Oct 12 12:11 AM

Yes, concrete is not a great heat conductor, so pipes should not go in a raw concrete... there is a thing called heating screed, but it has not yet been re-invented in NZ :-) I think, in general, if y......read more

14 Sep 12 12:35 AM

Is it normal that I have never seen a CAD drawing from BRANZ? All their drawings are hand made (even in the book they released in 2012)... Is this just a style, or exactly what GW is pointing out? A b......read more

31 Aug 12 12:49 AM

I am trying to get a fair valuation for the home in Wellington area... basically looking for somebody that will appreciate all the detail that has gone in the energy efficiency and quality of the home......read more

16 Aug 12 11:10 PM

That's interesting... I was under assumption that tubes will deliver more as their performance is not as dependent from the orientation and will deliver more in colder periods... I have gone for the g......read more

14 Aug 12 9:57 PM

I am building now and installing the underfloor heating... lived before in Germany with UHF and before that without... If you want to enjoy your house, do it... The whole BS with polished concrete and......read more

1 Aug 12 10:38 PM

I believe most of the solar panels and tubes you can buy in NZ are from China already... and many world wide are so... If you are only importing this and carry entire transport cost, you might be bett......read more

31 Jul 12 12:24 AM

Great to see that New Zealand is slowly waking up... As for the statement: "Although the passive house standard will probably never become the accepted common building standard for NZ" I wou......read more

31 Jul 12 12:09 AM

I saw the article about the report in the papers and it gave me a completely wrong impression... it was written really bad (the article - not the report)... anyway, I would say that solar HW with 50-7......read more

16 Jul 12 2:06 PM

Yes... that was the thinking... I don't like trusses as the space becomes useless for most part anyway... rather good insulated roof on the rafters and sloped ceiling. But provided I get the walls/wal......read more

15 Jul 12 6:26 PM

I am also evaluating the options of importing the kit home that is performing close to passive hose, but that is not the requirement... A low energy home would do as well... the only problem is all th......read more

9 Jul 12 11:55 PM

I should have known it! :-) When you do the next order, can I get a few rolls ordered?... By the way, proclima is apparently manufacturing some of the Illbruck/Tremco products... particularly the wind......read more

6 Jul 12 10:38 PM

Oops... I meant to post the link to the product: http://www.tremco-illbruck.co.uk/products/00861_index.html I have put my Kingspan roofing panels on the compressible butylen tapes for the air tightnes......read more

6 Jul 12 10:36 PM

Is there a product like this available in NZ? Thanks, Dejan. ...read more

17 May 12 8:48 AM

Guess what... could you contact me on the dejan@energo.co.nz?...read more

17 May 12 8:41 AM

case, you would want to have a sill flashing for sure... and probably many ways to solve the sides and head. I am always suspicious of the head flashings... they always look as they actually open the ......read more

16 May 12 11:43 PM

Just wondering why don't you buy a new fridge... you can get a fridge over 300L that uses around 150 kWh in Germany... So how many of you are in the apartment now? You were 2 before your girlfriend mo......read more

16 May 12 11:16 PM

Hello Langers, the profile actually looks pretty nice. Thermal break is probably around 10 mm which is not a lot, but should be fine unless you live in a colder place. The whole idea is that with ther......read more

15 May 12 1:57 AM

When it comes to payback on double glazing, one good way to look at it is that your health and comfort is also being invested in... surely the tough guys can stand the cold, but warmer home is a nicer......read more

6 May 12 6:30 PM

Whoknows... Thanks for your writing... I would appreciate if you share your knowledge of the other systems... even in brief... What would be your preferred system... the house is in Wellington... no ......read more

5 May 12 11:01 PM

Hello... I am trying to make my decision on the plaster type. The house is build from eco-block, so it is EPS. There are two choices currently: Rockote or Sto. I have got in touch with Sto and they ha......read more

19 Apr 12 12:27 AM

Sure (calculated/simulated heating demand would have been done in the design phase)... There is also a primary energy use that will depend on the choice of appliances (easy fix :-)). These guys seem t......read more

18 Apr 12 11:12 PM

I have red a few articles about the project and been following the blog... certainly some great stuff! The confusing thing is that many articles are saying that house is "certified" where it......read more

9 Apr 12 9:31 AM

cazigues: I agree it is a cost effective solution (if you get the heat-pump for a good price - I could not find any appropriate size for my house that would not cost too much), but it is not really th......read more

9 Apr 12 9:24 AM

Lastmenever: Sorry, but you must have not red the entire post... I have brought up the windows as an example of a traditionally established preference that I don't mess with. What I mean is that if I ......read more

8 Apr 12 12:50 AM

Don't mean to hijack the thread again, but here is some theory in practice for Rex... Insulated Kingspan roof panels KS1000 RW 40mm cost here 120 NZD/m2 with basic coating... I have imported them at l......read more

7 Apr 12 8:33 PM

I can tell you that if you had to do any substantial earthworks for either of those, that will be a big chunk of you investment in the floor......read more

7 Apr 12 1:07 AM

to caziques: Particularly the South Island has a climate similar to European temperate climate. If you are building and specifying to current energy price in NZ, good luck! If you also rely on the COP......read more

5 Apr 12 12:16 AM

It is really sad... the major problem I see is that the people have no choice but to go with these guys and, really, some of the builders out there are a bad luck! If they only had to refresh a bit to......read more

5 Apr 12 12:11 AM

sorry... "controlled by valves" not "controlled by vents"...read more

5 Apr 12 12:09 AM

That's how I am doing it, but that will not fit in the 15000 NZD... And if you doing it this way, you don't require slab perimeter insulation, but the screed in each room should have insulated around ......read more

4 Apr 12 10:47 PM

I just have to add to a few typical quotes: " I have been doing this the same way for 40 years and never had a problem!" - says builder "PVC windows have no structure, my builder says&q......read more

4 Apr 12 10:21 PM

I would love to hear which air to water heatpump can run the 150m2 hydronic heating and how much it costs? I would expect at least something between 5-8 kW... Cheapest thing in Europe would be 10K NZD......read more

23 Jan 12 9:27 PM

I can only agree with "Guess What"... Yours and mine taxes are paying for leaky homes and similar products of a lazy attitude. I didn't mean to hijack the topic, just to offer some people wh......read more

23 Jan 12 12:52 AM

As usual, we are a bit behind here, but I don't think we'll be able to dodge the bullet forever... and when that happens things will actually go better for us people. A few posts mentioned a "gen......read more

20 Aug 11 9:37 PM

Certainly not achievable with any window available in NZ... particularly because of the low quality glass. A good uPVC or timber window can get you close and add triple glazing to it (my triple glazin......read more

17 Feb 11 8:56 PM

langers: "It's about time we started supporting our local craftsmen doing things properly rather then blindly following the masses. OK, it's more expensive..." This is the part I don't under......read more

17 Feb 11 8:56 PM

langers: "It's about time we started supporting our local craftsmen doing things properly rather then blindly following the masses. OK, it's more expensive..." This is the part I don't under......read more

30 Jan 11 11:36 PM

Absolutely... New Zealand Government should support and help products that been proven great for decades in Europe and the rest of the world to come here as well. This would drop the cost of building ......read more

28 Jan 11 7:33 AM

Hi Matt, I am currently in the process of importing... if you are interested drop me your email address on dejan@energo.co.nz. In fact I am importing the roof, gas heating with solar hot water, window......read more

27 Jan 11 1:14 AM

Hi Dean, I know it is a bit older discussion, but wanted to point out a few things I run into while trying to arrange local laboratory to appraise a foreign window for use in NZ... First of all, it is......read more

10 Jan 11 9:33 PM

I know its an older thread, but wanted to add a thing about condensation.... Condensation is a process where water vapour (moisture in the air) cools down and turns back into water. On a 50% air humid......read more