Monday, April 3, 2017

beach home designs australia

in the last 1980s, after designing and analysingand promoting solar housing for about 12 years at the time, we decided tobe involved in a solar movie that was put together by a tv station to explain what solardesign was in the housing sector. we had developed the solar energy informationcentre that was developed to educate and make people aware of the benefits of using solarenergy. and the tv host david grant approached us to showcase four houses. those designswere from a basic design affordable house, up to a luxury design in dalkeith, which isa fairly prominent wealthy area in perth. it showedthat the concept of solar design was truly egalitarian, there was no discriminationagainst the rich. no, seriously, it showed

that it could be done on an affordable basisfor everybody. everyone could save energy, everyone could contribute to the reductionof carbon pollution. solar design, how to harness that marvellousresource the sun, and the wind for that matter, to make life at home a littleeasier, particularly if you’re planning orbuilding a new home. the one thing that does come out in the study of four housesthat’s most important is that a light house need not necessarily be a hot house. weare going to meet the architect of the four properties in fact, garry baverstock. butfirst let’s call on the four owners to give us their opinions on what it’s like to livein a

house with a solar design influence. our first house is a small project home inbayswater, built as much as a demonstration model as a residence for itssingle occupant. it’s naturally comfortable as opposed toartificial comfort we get in our offices and other places and it maintainsfor my comfort, a very even temperature throughout the year no matterwhat the extreme temperature is outside. now to stoneville in the hills behind mundaring,where a retired professional couple have made a total study of solar design.well it’s a house that if you work it well, it responds well. if you’re not interestedin

making it work, well it won’t do as wellas it could do. you have to close it when itsvery hot outside and not leave the windows and doors open, and then it keeps youvery pleasantly cool. our third house is at kingsley. a family homeon a block deliberately purchased for its northerly aspect.every morning of the year it’s never necessary to turn on a light unless you get upparticularly early but the normal waking time the house is already light and bright assoon as you get up. the fourth home in our study is at dalkeith,the largest of the four and perhaps the most difficult to’s excellent, and in summer it’s very

much cooler. we don’t get any sun in thehouse in summer because the solar pergolas are very efficient and they’re angled correctly.and in winter it allows the sun to come right into the house and warm it up. of course thetiled floor acts as a heat bank and it’s always a pleasant temperature to walk on evenin the middle of winter. now to the architect garry baverstock whoexplains the underlying aims of solar design. passive solar houses in temperateclimates can save between 60 to 90 percent of energy bills, and maintain comfort between18 to 28 degrees all year round. so you’re living in luxury and you’re not having topay for it. you’re simply using the weather and the air temperatures to your advantage.i think once that message gets clearly through

then we will see some significant changesin subdivision design and were going to see some substantial changes in people's thinkingabout how they put their designs together. in a moment we will show just how these fourhomes were designed for solar sense, but first we need to understand what happens in thew.a. sky. dr bill parker in the solar information centre in south perth explains with the helpof a model. what i’m going to do now is show you thewinter sun pattern. it rises to the north ofeast, about 30 degrees north of east and only comes up in the sky to a fairly lowangle and that’s about it. so that’s why we put the windows on the north, to capturethat sun. summer's a completely different

picture. this is a midsummer day. the sunis rising to the south of east by quite a long way, and before even 10 o'clock we’vehad a lot of heat on that side, hence the reason for minimising the windows. but thedramatic thing is that the sun appears to sit up there in the sky for a substantialpart of the day. and likewise minimising the windows on the west, same thing again. the five major points are put simply, gettingthe orientation right so that you've got the house that way around on the block, withthe north there. you’ve got the windows right, minimise the windows on theeast and the west, most of the windows on the north. you're using solid materialsfor construction to store winter

heat, primarily. you're providing adequateventilation by the placement of the house with regard to the breeze and bringingthe breeze right through, passively. and really the other essential is to minimiseheat flow by insulation for both summer and winter. the houses were all designed by the one architect,grary baverstock. but bayswater and stoneville for example vary considerably in size. the basic principles are exactly the same.similar glass areas on the north, the same orientation, the same rules of orientation,the same rules of shading and getting the winter sun in the north from thewindows on the north. but there is one

small difference - the collection area isactually partially on the roof of this house, and we're able to reduce the glassarea on the north wall and put it to the middle of the house to help heat the southrooms. the size of the house as it increases meansthat you get a greater depth in the north-south direction and you tend to findthat if you don’t do anything about it you end up with a dark spot in the middle of thehouse. and usually with modern plans these days, open plans and central kitchens,it’s a good idea to make that the brightest part of the house not the darkest.and it also gives you the freedom as you get a bigger house, if you've got viewssay on the south side of the house, as in

this case, you can put some of the livingareas on the south side and allow the winter sun to come through the roof and strikethe floor on the south side of the house.with bigger plans you get dark spots in the middle of the house and that’s whereskylights, clerestory windows properly designed to shade in the summer andexpose the sun in winter, gets the winter sun back into the middle of the house andmakes it light and bright and airy, whereas it’s usually the darkest in most that would be a fundamental difference between the simple plan which is small, anda more architectural design which is a lot larger usually.

the large home in dalkeith had that controlledlight source in the centre but another flooding the entry hall to the south.well that works very well, it allows light to enter the house all the time, there areno dark holes in the house. but the sun doesn’tpenetrate in the summer because there is an overhang which is sufficient to block thesun. all four property owners vouch for increasedefficiency in following solar design principles.well the electricity bills are minimal, really very tiny compared with the previousbills that we were paying. we use very little electricity, we use gas, about onecylinder per six months for cooking only,

so it’s cheap.


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