Energy Efficient Housing Essay

This essay has a total of 3697 words and 23 pages.

Energy Efficient Housing

Energy Efficient Building

Windows


Energy efficient windows have multiple layers of glass. The reason for this is because the
more layers of glass you have the better it insulates the house. Three or four layers of
glass are one of the best because you have more airspace in between layers.















A smaller airspace doesn't insulate the building as well as a thicker airspace would. The
thickest an airspace should be is 1 inch because any thicker than that will cause the
glass of the window to no longer insulate the building.

The air in between the layers of glass should be thick and dense, so that it can save
energy. One of the most common airs used in-between glass is argon. When argon is used
heat loss is reduced. You could also use carbon dioxide or sulfur hexa-fluoride between
glass.

Another type of window that is used commonly to keep the home cool is tinted glass. Tinted
glass and tinted window films are used on buildings to reduce heat gain through windows.
Advancements in tinted glass have now allowed us to make the glass appear just as a
regular window that you can see through. The tinted glass solution is also used in many
vehicles and private rooms for privacy and to keep them cool in the summer to save on
energy costs.

When choosing a proper type of window frame, fiber glass is the number one choice.
Fiberglass is the strongest material to use for the job and it also involves a smaller
amount of maintenance compared to vinyl or wood.

Glazes on windows are one of the newest methods for energy efficient windows. Glazing is a
way of changed the glass so that the light reflects off the window or absorbs the light
and brings it into the building. Photo-chromic is the best product for glazing, as it can
be switched so that it both reflects the light and absorbs it. Photo-chromic is a product
called a switchable glazing. All switchable glazing products are useful for reducing
cooling loads and for minimizing the shine off the sun from coming in the house. It would
be most useful is Saskatchewan because it brings heat into the house for the winter, and
also protects heat from coming in during the summer.

Windows should be made longer on the south side of the house and smaller on the other
sides. Don't use low e glass on south windows, but low e glass on the other sides of the
house is fine. North windows should be made large to bring in the sun light. East and West
windows should have shade to protect the winds from coming into the building.

The advantages of energy efficient windows are that they reduce heat loss in wintertime
and reduce heat gain in the summer time.



Lights


Energy efficient lights are used in homes because they:
1. Use less energy than standard bulbs
2. Lower the electrical bills
3. Produce just as much light as standard bulbs
4. Last longer than regular light bulbs

Fluorescent bulbs are more efficient than regular bulbs because they don't produce as much
heat. They are thin lights that are tubular shaped. Their life span is 10,000 to 20,000
hours, which means that they last 10 times longer than the regular bulb.

Compact fluorescent bulbs provide just as much light as standard bulbs but they use one
fourth (1/4) the energy. For example, a 15-watt compact bulb produces the same amount of
light as a 60-watt normal bulb. Just like the fluorescent bulb, they are energy efficient
and less heat is given off from them.

Lights in a year don't usually show up as a heavy expense on your electrical bill. A
standard bulb costs about $4.80 a year to use (not including the cost of a bulb). A
compact fluorescent bulb may only cost $1.20 a year to use. But when you think about it,
having 10 bulbs in your house can equal up to 50 dollars where 10 fluorescent lights will
only cost you 15 dollars or so.




Solar Energy


Solar energy is designed to bring the sunlight into the building during the winter. Once
the sunlight is converted into energy, it is stored until night, when it is most needed.

Solar energy was made to make the building warm in the winter and cool in the summer. When
using solar energy, your heating and air-conditioning costs can be reduced. The solar
panels absorb the light from the sun, where they are taken into the home and into a
converter where they are changed to energy and then used throughout the home in your
lighting fixtures, heater,

Air-conditioner, water heater, and electrical outlets.
Passive solar energy is done without using solar panels. Passive solar energy is taking a
stone wall or floor and absorbing the heat throughout the day. At night the heat that the
wall or floor has absorbed, is released.

Dark things are very vital when dealing with solar energy because if the wall or furniture
isn't dark enough, the house will not absorb the heat and the solar energy has been
wasted. Dark tiles, dark stained wood, dark colored carpet, dark walls, and dark
upholstery help to make the least amount of solar power to be wasted.

On the exterior of the home, avoid planting too many trees or plants that will block the
suns light. Evergreens are advised to be planted on the east, west, and north sides of the
house.

To store the passive solar energy, use an 8" thick slab of thick concrete. Underneath the
concrete you should have 2" of foam to retain the heat stored. The other half underneath
the concrete should be made of steel and contain a special material that stores a lot of
energy as well. The side of the wall facing the window should have a piece of black chrome
on it. It is also common for a storage wall to contain water instead of foam.






































Insulation

Using energy efficient insulation is one of the fastest and most cost-efficient ways to
use a whole house approach to reduce energy waste and save money. A good insulation system
includes a combination of products and construction techniques that if used correctly, can
make the air in your home cleaner, keep the home warm, and control moisture. By properly
insulating your home, you can also save 30%.

There are four main types of insulation-batts, rolls, loose-fill, and rigid foam boards.
All different types are made to fit in a different area of the building. Batts are made to
be placed between studs in the wall. They are also placed between the rafters of your
ceiling or floor. Batts are usually made with fiberglass (made from sand and recycled
glass) or rock wool (made from basaltic rock and recycled material from steel). Rolls,
also called blankets, are to be used in the attic floors. Rolls are most commonly made of
fiberglass. Loose-fill insulation is more of a liquid form of insulation and can be blown
into the attic or walls. It is made out of fiberglass, rock wool, or cellulose. Rigid foam
boards are a type of insulation that isn't fluffy like usual insulation, but is hard or
stiff. It is made out of various polystyrene products. The boards are light weight and
provide formation support to the building.

The most cost effective way to insulate the building is to add insulation to the attic. To
test and make sure that there is enough insulation, measure the thickness of it. The
insulation in the attic should be at least 13 inches thick (7" fiber glass or rock wool,
6" cellulose).

Outside the building, one of the most energy efficient ways to insulate the home is to
waterproof the building. You should caulk, seal, and weatherstrip all seams, cracks, and
openings outside. This will minimize air leaks, saving about 10% off your energy bill.

Source % Of Leaks
Windows 10
Doors 11
Fans & Vents 4
Fireplace 14
Floors, Walls, Ceiling 31
Electric Outlets 2
Ducts 15
Plumbing Penetrations 13



Aerated concrete is one of the newest insulation technics on the market. Aerated concrete
is a lightweight, molded concrete, that is hardened in molds and cured in an autoclave (a
pressurized steam chamber). The concrete is almost like rigid foam board insulation, but
is more foamy and is made in molds. It provides greater insulation and increases sound
consumption. It also conserves cement and protects insect damage from happening.

Another new method of insulation is using transparent insulation. Not only does this new
product insulate the building, but it also gains heat from solar radiation. It is
recommended to be placed on windows or large walls. One of the greatest benefits is that
the transparent insulation increases interior wall temperatures, which then decreases wall
condensation. It increases the insulation on glazes and exterior walls.




Appliances


Dishwashers

The energy that is used by dishwashers is the energy that is needed to be used for heating
the water they use. Efficient dishwashers use either less water than regular dishwashers,
or they heat the water themselves.


Clothes Washers

A new type of clothes washers have brought in a great way to save water and energy. They
are called horizontal-axis washers. The horizontal-axis washers are used most commonly
where water is scarce, but now these machines are being brought to the Canadian market.
The reason that these products are so energy efficient is because they are unlike a
top-loading washing machine that needs the water to be filled to the top of the tub to get
all of the clothes wet. When the washing machine is horizontal, the tub rolls the clothes
into the water instead. Therefore, they use much less water.


Air Conditioners

Room air conditioners are very energy efficient for smaller homes. They are placed
individually in rooms so not only are they portable but they cut down on wiring.

Central air conditioners are rated by the Seasonal Energy Efficient Ratio. The higher the
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