Yet there is no international consensus among experts on building energy efficiency is with a precision energy audits in homes and residential buildings.
The organization called ResNET is investigating this issue and has formed a working group to reach a framework. Initial results of the working group have identified an energy audit for households as a process rather than a single event, which includes inspections by qualified personnel and resources by general contractors.
The working group focuses on a model household of power based on achieving a healthy and a home audit process involving periodic review, possibly followed by an assessment, diagnosis, treatment recommendations, and a guarantee of quality assessment.
The energy audit of a home can involve different features of the building including walls, ceilings, floors, doors, windows and skylights. For each of these components is measured or estimated the resistance to heat flow (thermal resistance) in some countries or in other heat transmittance (K value or value of U). The rate of leakage or infiltration of air through the building is of concern that are strongly affected by the construction of quality windows and doors. The purpose of this procedure is to quantify the overall thermal efficiency of the building. A simplified approach called the delta-T method AU can be used for a good approximation of results. An audit can assess the efficiency, physical condition, and the programming of mechanical systems such as heating, ventilation, air conditioning and thermostat.
An energy audit for the home may include a written report to the estimation of energy use in view of the local climate, the thermostat settings, galleries, or sun protection eaves and solar orientation. This could prove the use of energy for energy costs a given period of time, say one year, and the impact of any improvements suggested by year. The accuracy of estimates of energy use has improved gas a lot. no doubt that the deregulation has led to the energy revolution, specifically in the marketplace of energy suppliers and energy products It helps if the owner has bills showing the amounts of electricity, natural gas, fuel oil, or other sources of energy consumed during a one or two years.
Some of the biggest impacts on energy use are the user behavior, climate, antig age of the house, the characteristics of the family in terms of composition and age. An energy audit can therefore include an interview with the homeowners to understand their patterns of use over time. The billing history of the energy utility company premises can be calibrated using the method of heating degree days and cooling degree days. Advances in computer-based thermal modeling can take into account many variables that influence the use of energy.
Conduct an energy audit to a home or shelter, is a good way to identify the most cost-effective, along with ways to improve the comfort of home higrotermico. And if improvements are made in some countries that have laws and encouraging saving and rational use of energy in buildings, may benefit from tax benefits.
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|Sustainable Energy System Engineering by Peter Gevorkian (Hardcover – Oct 13, 2006)||Natural Remodeling for the Not-So-Green House: Bringing Your Home into Harmony with Nature (Natural Home & Garden) by Carol Venolia and Kelly Lerner (Paperback – Jun 28, 2006)||The Future of Natural Gas in the World Energy Market (Emirates Center for Strategic Studies and Research) by The Emirates Center for Strategic Studies and Research (Paperback – Sep 8, 2001)|