leffe posted; "Absolute tosh! The USA is a follower WRT environmental controls, not a leader." Taxcutter says: I absolutely defy you to show me any nation on any continent that has anything like 40 CFR 52.21 or 40 CFR 63.
You can address me directly, thank you. Are you not confident in your own intelligence? Attic fans are a well known tool to that keeps an attic cooler, granted. The whole point, that you missed, was that if you have a properly insulated attic floor, then you do not need an attic fan. More importantly, the article's claims that one would reduce your energy bills by 10% are completely bunk. The idea behind proper attic insulation is to create a continuous thermal boundary between the attic and the conditioned space below - that means insulation and air sealing = doesn't matter what the attic temperature is. Now, if you want to argue that an attic fan might help prevent potential moisture problems in the attic space, then that is a different discussion. Even with that, if you have a properly vented attic (gable vents, soffit vents) then you should never have problems to begin with.
Every home, its structure, age, upkeep, et al, as well as your location will be a factor. How much or how little is not an exact science, and which has been tested by our fellow poster Marine1.
Indeed not every home is the same. That said, in my area, which can have really nasty, humid summer days - what I described is average. That is after testing hundreds of homes from NYC to 100 miles north of it. Building science may not be exact, but we have made major strides in the last few years.
an attic fan removes the hot air from between the roof, and the insulation that's on what would be the floor. have you never looked in your attic?
did you compare your savings by just what you paid last year or by what your neighbors bills went up?
When you add more insulation to your attic, you block up most of those gable and sofit vents thus trap the heat in your attic, which will eventually work it's way through the insulation and enter the home if you don't have a attic fan or whirlybirds to let the heat out. One should go along with the other.
With poverty comes government dependency.... with government dependency comes victimhood and class warfare narratives... with victimhood and class warfare narratives comes votes for the modern Democrat Party... with votes for the modern Democrat Party... comes collectivism. The reason Marxists/progressives/socialists/communists have created, nurtured and settled in the environmental "movement".... is no more complicated than that.
My electric company's bill list the electricity used this month and last year on the same month, along with the average temp. for both months. So you can know how much electricity you used for the same month. Knowing what the average temp. was for both gives you a very good idea of the savings you get for what you have done to your home. You can pour thousands of dollars into making your home more energy efficient. But I think you'll see that your savings won't be anywhere near what you expect it to be. With all I have done, I can honestly say I don't think I have saved much more than about $50.00 a month over the years and about $35.00 a month in just the last two years. Much of that savings came from just the hybrid hot water heater. A lot of heat enters the home through the walls of your home and unless you can insulate them, which I can't, I think your savings will be limited. These companies make a lot of claims to how much you'll save and much of it is a bunch of bull. Not saying all of it won't help, it will. But depending on what you do, your savings could take decades to pay for themselves. Insulated windows is one of them.
i agree that replacing good double pane window with new double pane isn't going to do you any good. a good chunk of what you saved was prob from caulking being replaced around the window-that you could have done yourself in one Saturday afternoon....that's if electric rates didn't change <---the important part. what exactly is a hybrid hot water heater? as i understand, a tankless (on demand) is the gold standard...even if you're stuck with an electric one.
Now when it comes to water, my water company allows me to use so many thousands of gallons at a set charge. I pay no more unless I go over that amount. I bought a Maytag energy saver washer that uses very little water and a Whirlpool dishwasher that is also very energy efficient. I have low flush toilets and water saver shower heads. But I haven't saved a dime because I don't go over the set amount allotted to me and I didn't even before. But I have helped the environment by saving water for others to use.
A tankless hot water heater are nice but I hear they have draw backs and are expensive to install. A hybrid hot water heater is one that works on, oh hell, let me show you. The pay back according to Consumer's report is much faster than a solar one and now, not that much more expensive than a good regular water heater. Mine is a GE. http://www.sears.com/appliances-wat...d&sbv=GE&sid=ISx20070515x00001a&psid=16x12602 Let me add, they are selling them now for about $500.00 less than when I bought mine. They work better the warmer the outside air is.
I thought conservatives said gasoline prices were supposed to get sharply higher? More Gasoline Price Cuts Coming Remember all those dire forecasts about $5 gas for the summer? It’s not likely to happen. Gas prices are likely to fall more as the world price of oil continues to drop. West Texas crude is under $90.50 a barrel, while Brent crude for July delivery is just over $105. Both prices are at seven-month lows. Oil futures have plunged 15 percent in just three weeks.http://abcnews.go.com/blogs/business/2012/05/more-gasoline-price-cuts-coming/ I guess when one bull(*)(*)(*)(*) claim proves false the answer is to just make up another one.