Topic: Aluminum Double Glazed Windows

Re: Aluminum Double Glazed Windows 

Forgot to mention that the European style Ali windows and doors have recently been introduced into NZ by a company up North.

Re: Aluminum Double Glazed Windows 

This are good news we am looking desperately for that kind of windows.Does anybody know the name of that company?
cheers
Peter

Re: Aluminum Double Glazed Windows 

Peter, try www.unicco.co.nz

Re: Aluminum Double Glazed Windows 

I think that a factor with condensation is that many NZers tend to keep all or at least parts of their homes rather cool and damp in winter, in order to keep heating costs down. If a room is cool and damp, then there will likely be condensation somewhere, and that will occur at the coolest point in the room. With well insulated walls and ceiling, a window, even with double glazing and a thermal break in an aluminium frame, may still be the coolest surface in a room, and thus the point where condensation first occurs.

Re: Aluminum Double Glazed Windows 

Sorry for a late reply to this thread, but as above - double glazing should theoretically allow NZers to warm up their house more as insulation becomes more efficient due to double glazing - saving them money and allowing them to keep the house warmer, no? A friend of mine recently had <a href="http://www.energysavingcentre.co.nz">double glazing installed by Energy Saving Centre</a> , and couldn't be happier (and dryer). Now i'm thinking about using them too...

Re: Aluminum Double Glazed Windows 

Hi Double Glazing. What is the price of acrylic retrofitting compared to new, thermally broken double glazed windows? The retrofitting reminds me of the old storm windows people used to put on their homes in North America in Autumn many years ago. I would be interested in knowing the difference. Thanks, Leo

Re: Aluminum Double Glazed Windows 

We are building a new house in Auckland and thinking about installing thermally broken joinery and we're wondering how much effect this will have on reducing heating requirements. We're not sure whether to put in a heat pump as well? Any advice would be most welcome.

Re: Aluminum Double Glazed Windows 

Not convinced that thermal break ally windows are that important for Auckland.

However whatever you choose you will need some form of heating. If the house is of any size over 60sqm then fit pipes in the slab for underfloor heating. Anyone who specifies high wall heat pumps for a large new house should be shot.

The underfloor should be heated with a hot water heat pump.

Re: Aluminum Double Glazed Windows 

Thermally efficient window frames are very important parts of the thermal envelope even in Auckland. A house built to passive house standard will need very little or no additional heating at all in Auckland.
Out of my own bad experience I am not keen on heat pumps. The are quite efficient in use of electricity but their potentially limited lifetime makes them rather expensive.
For the windows I would definitly go for a european system. They are first of all very thermally efficient and the hardware is just miles better compared to traditional NZ style ali or timber windows.
They come in thermally broken aluminium, UPVC, timber, and aluminium clad timber.
They all come with tilt and turn hardware, bi-fold, tilt and slide, lift and slide and some offer also the awning or outward casement option.
As opposed to the NZ systems all the european systems and hardware are designed for the weight of double and triple glazing

Re: Aluminum Double Glazed Windows 

@ Tania
Your windows are likely to be the weakest point of your thermal envelope (assuming you have avoided recessed downlights and have the edge of your floor slab insulated).

If your house requires any degree of heating it will benefit by improving your window joinery, whether this be thermally broken aluminium or the European type systems that GW suggests.

Dean

Re: Aluminum Double Glazed Windows 

There is a big Lift and Slide window on display in the home idea Center in Auckland.
it is from http://www.unicco.co.nz
Our windows as standard thermally broken and burglar proof. Please have a look on the homepage.

Re: Aluminum Double Glazed Windows 

Lift and slide doors/windows are also available in
uPVC, timber, and timber/aluminium from various suppliers across the country.

Aluminum Windows 

We are leading fabricator and contractor of ALUMINIUM windows.Melbourne’s leading supplier of <a href="http://www.weatherallwindows.com.au/"><b>Aluminium windows</b></a> and doors.Supplying home owners direct to trade and large builders. Our premium quality, competitively price window and doors are second to none.