Usuário Discussão:Marylnul84
De BISAWiki
Edição de 12h53min de 14 de novembro de 2013
HVAC
Passive solar may be used to heat a property in colder areas, but you've to enter it with reasonable expectations. Whilst the cold climate is a hurdle, the real issue will probably function as the period of time sunlight beats down upon your property. If your home receives only four or five hours of sunlight each day, forget it. You will never produce enough energy to keep the home warm for sufficient periods of time.
Utilizing Passive Solar Energy Passive solar design is remarkably popular in warm to mild climates because it is more or less a totally free method for warming a home. The manipulation of the positioning of the house and keeping large windows in the south facing wall is typical strategies for coping with the issue. Obviously, large windows in a cool climate will end up in significant heat loss regardless of the quality with which they are built. So, what can you do?
You will find two primary approaches to creating a passive solar design that works in the winter. One is the utilization of a large Trombe Wall and one other is the greenhouse approach.
Two Methods In Creating Passive Solar Design
Trombe Walls are popular in passive solar designs since they effectively convert sunlight to heat and are interesting from an artistic view point. Typically, a Trombe Wall is 8 to 12 feet long on the south facing wall of a home. In significantly colder areas, the wall will probably must be much larger, probably the full length of the house based upon energy analysis and the cold temperatures expected. An energy audit of the house is the only real to reach at a definitive answer.
You're also going to have to add a turn strategy for the heat. As sunlight enters the glass plate and heats up the masonry of the wall, you risk losing vast amounts of it through the glass surface. This means you need to create an air circulation method whereby you draw the hot air into a secondary space behind the wall. This may simply be a sealed off room or a space meant for the purpose. The circulation should be achieved on a timer just like the solar thermostats utilized on solar warm water panels. The purpose is to keep the built up heat from escaping back to the environment.
The greenhouse approach simplifies matters. The fundamental idea is to construct an insulated greenhouse to gather and store the warmth of sunlight during the day. Often called a sunspace, the greenhouse resembles those employed for plants. Even in cold climates, sunlight will produce a magnificent level of heat.
It Is Important To Passive Solar Energy
Again, the thing is keeping the warmth from escaping once it has built up. Since sunlight has to come in by way of a transparent surface, you inevitably have the situation of the warmth escaping through the same. The most effective option is to employ a controlled timer to blow the air to your house once certain temperatures are reached. It's not so efficient, but you've little choice
