Great article in Fine Homebuilding 12/17 re: rooflines
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Interesting article from NBC news - Low energy housing
Comments (41)Lol Marshall. This from The Times (London) is another example of benefits of govm't intervention. Perhaps the yuppie set will be required to install multiple solar panels for their multiple water heaters. November 09, 2004 Spain makes solar panels mandatory in new buildings By David Sharrock SPAIN wants to take advantage of its sunshine by making solar panels compulsory in new and renovated buildings  to save fuel costs and to improve the environment. Jose Montilla, the Industry Minister, has announced that from next year, anyone who intends to build a home will be obliged to include solar panels in their plans, with the aim of turning Spain from a straggler to a European leader in the use of renewable energy. With the price of oil rising above $50 a barrel (£27), solar energy could produce savings of at least Â80 (£50) a year on fuel to heat domestic water supplies per household, and reduce greenhouse gases, the Government said. But critics of the GovernmentÂs plans say that the installation of solar panels would increase construction costs by between Â1,100 and Â1,400 per dwelling. Property prices have doubled since 1999 as part of a housing boom in Spain which shows no signs of cooling. The new construction regulation will affect more than half a million new houses a year, if the current pace of construction is maintained. The Socialist Government, led by José Luis RodrÃguez Zapatero, the Prime Minister, is seeking a tenfold increase in the area of solar panels in use in Spain by the year 2010, from the present total of 581,000 sq metres. Spain lags far behind Germany, EuropeÂs current solar energy leader, where 5.4 million sq metres of solar panels are currently in use. But in spite of its low domestic usage, Spain is one of the worldÂs biggest manufacturers of solar panels. According to official estimates, installation of solar panels in 3.5 million dwellings built in the past five years in Spain would have yielded a fuel cost saving of Â245 million. Señor Montilla promised subsidies to encourage further take\-up of solar panels and to ease the financial pain of the new measure, but he did not give further details. A single two\-metre solar panel on the roof of a home can cut its water\-heating bills by up to 70 per cent a year, according to government estimates. Three years ago Seville, the Andalusian capital, introduced the same measure which the Government now intends to adopt nationwide....See MoreInteresting article regarding powerful range hoods
Comments (34)It's important in cases like this to check the biases of the people doing the writing. These folks are approaching the problem from a stated priority of the primacy of energy efficiency, passive houses (i.e., ones that don't require energy for heating and cooling, but use mass, shade, sun, etc.), and other environmentalistic factors. The author said the following in response to someone who quoted the GW line on hoods. Note how it dismisses the need for getting rid of HOGS if it means using more energy. You are correct that a 700-cfm fan will do a better job removing grease, smoke, and cooking odors from your home than a 200-cfm fan. But there is no getting around the energy penalty. If you operate a 700-cfm fan during the summer in Houston, you will inevitably be pulling in 700 cfm of hot, humid outdoor air into your house. One way or another, that outdoor air will need to be cooled by your air conditioner every time you operate your exhaust fan. Most participants in the discussion admit that the simple solution if someone wants to adequately vent is to open a window (and let the HVAC do its thing on it eventually). Some, who work with high volume hoods, have good ways to provide adjusted make-up air without oddities or bother (but, of course, money to do it right). Even though I am very interested in conservation in general, in specific I think that there's a forest-trees situation here. Having the kind of tight house they're aiming for is a bad in itself. An air-leaky house will likely not have backdrafting problems or develop vacuum conditions. It also means that you're not relying on a high tech system for your fresh air, even if you keep all the doors and windows shut. It means that you have a fighting chance against potentially dangerous chemicals that may get into your air. It means you can smell the wildfire before your house starts burning. It's much more in tune with the earth. Of course, it's an energy suck, which is why they're fighting it, but at some point there has to be a balance. There is a happy medium where you don't have cold drafts rippling around your ankles in the Winter, but aren't buttoned up so tight that your hood can deprive you of oxygen and suck the ashes out of your fireplace. It's true that if you're heating or cooling your home, you'll have to heat or cool the same volume of air as you're exhausting with your hood. But is that really a reason not to have a working hood? I don't think so. And if you add the energy (and water, waste water treatment, and cleaning supplies) spent on laundry, cabinet cleaning, window washing, and all the other consequences of not having a good exhaust fan, are you really saving that much? For all that they're wringing their hands over having to have a system to treat the make-up air (and one that likely cannot use passive energy flow to do its thing), I wonder if having a drafty house might not be more efficient than having a heated/cooled/dehumidified make-up air system. :)...See MoreRoses Unlimited Summer Sale thru 6/14/17
Comments (71)Lily I made a mistake about the thistles. I have two kinds, Canada Thistle and Purple thistle. The latter is the kind that grows 10 feet tall, has really thick stalks like pokeweed and puts out those big spikey purple "flowers." Canada is the lower spreading kind that over takes lawns. Both are very invasive though. Thanks Virginia, I hadn't heard of that one but will check it out. I've tried various weed gadgets and even torches, but thistle have obnoxiously deep roots and if you don't get it all it's a waste of time.... like pokeweed and docks. At my other place, which was brown clay, it was a little easier to dig weeds, but here I'm red clay on rock. Being in the foothills of the mountains gives me the rocky layers with a helping of that famous bright orange Carolina red clay on top. Hard as cement when dry, sticky as glue when wet. When the excavation team was here for some work, I was surprised at the boulders and rocks they unearthed. Very pretty though and the smaller ones, wagon to barrel sized, are in front of the house as my bed edges. Big bed edges...lol! The larger ones were used to shore up an old bridge on the lower part of the property. I have to cross a year around creek to get up my driveway and had a new bridge installed along with re-contouring the drive, but saved the old bridge for backup. I digress... the Canada thistle is mostly a nuisance for the moment. Hundreds in what would be the "yard" area and I mow them for now. The purple thistles are the ones I'm trying to keep from going to seed. They are dotted all over my acres, like you would see in an unkempt pasture. All those neat idealistic pictures of yellow finches sitting atop a huge purple thistle flower are pretty to look at, until you see the wickedness of the rest of the plant. I haven't mentioned my clay rock base much because I guess I don't really think about it. I've already learned how to make my own good soil with composting layers and have been doing my gardens that way for years. The concept of digging into typical ground and just plopping a plant in is a foreign concept to me. A pile of horse, goat, chicken, or alpaca manure is pure brown gold to me. Hmm... I'm not sure what that says about me.... Fancy new shoes and a designer handbag or a pile of compost?? Um, compost please!...See MoreQuotes 12 - 6 - 17 :2, Nauman, Wright
Comments (1)Steven Wright got a few guffaws out of me this morning....See Morecpartist
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