Environmentally Friendly Building
Posted by Ron Neal on Friday, August 8th, 2014 at 3:46pm.
According to Wikipedia, Green building (also known as green construction or sustainable building) refers to a structure and use of a process that is environmentally responsible and resource-efficient throughout a building's life-cycle: from siting to design, construction, operation, maintenance, renovation, and demolition. This requires close cooperation of the design team, the architects, the engineers, and the client at all project stages. The Green Building practice expands and complements the classical building design concerns of economy, utility, durability, and comfort.
Although new technologies are constantly being developed to complement current practices in creating greener structures, the common objective is that green buildings are designed to reduce the overall impact of the built environment on human health and the natural environment by:
This modern and green built project that advocates both a healthy interior living space and a very functional, innovative floor plan. This home encompasses the latest in sustainable development and design, as well as the dedication of the builder for using environmentally committed quality products and materials. Incorporating these principles and building strategies, equates to an energy efficient home that was rewarded an Energy Guide rating of 80, as well as being awarded a ‘Built Green Gold’ designation. It also recorded a remarkably low Air Change Per Hour (ACPH) reading of 0.8963. This practical and efficient home not only reduces energy consumption and reduces overall utility bills, but reduces maintenance costs over time as well.
Air exchange through an ultra-efficient heat recovery ventilation system is to prevent mildew and ensure the structure doesn’t become a huge oven.
Water is heated through a solar thermal water-heating system on the roof. The passive house has room for future electricity-producing solar panels for when that technology becomes more affordable.
The Canadian Passive House Institute notes on its website that the use of solar panels, geothermal systems and wind generators isn’t part of the Passive House standard: Those are considered by the institute to be “bolted-on and generally expensive.” They don’t affect the thermal efficiency of the house itself, the institute explains.
“In a Passive House, the primary goal is to achieve a superbly well-insulated and tightly sealed building envelope, then introduce fresh air in winter via a very high-efficiency heat recovery ventilation system.”
Local Victoria builders have increasingly been incorporating Green building practices and some recent developments include environmentally friendly features such as ground sourced Geothermal Heating.
Geothermal heating is the direct use of geothermal energy for heating applications. Humans have taken advantage of geothermal heat this way since the Paleolithic era and today more than seventy countries make direct use of geothermal heating. Thermal efficiency is high since no energy conversion is needed, but capacity factors tend to be low (around 20%) since the heat is mostly needed in the winter.
Geothermal energy originates from the heat retained within the Earth since the original formation of the planet, from radioactive decay of minerals, and from solar energy absorbed at the surface. Most high temperature geothermal heat is harvested in regions close to tectonic plate boundaries where volcanic activity rises close to the surface of the Earth. In these areas, ground and groundwater can be found with temperatures higher than the target temperature of the application. However, even cold ground contains heat, below 6 meters (20 ft) the undisturbed ground temperature is consistently at the ‘Mean Annual Air Temperature’ and it may be extracted with a heat pump.
There’s no question that it costs more to construct a Green House, however, energy savings and other environmentally friendly factors justify widespread acceleration of the adoption of these systems and practices.
For more information or help identifying Environmentally Friendly Green Construction please call for assistance.
- Efficiently using energy, water, and other resources
- Protecting occupant health and improving employee productivity
- Reducing waste, pollution and environmental degradation
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