Ground source heat pump cooling Landsea another green real estate practice
Xu Xun: The Long Poems of green practices, we also encountered many difficulties and challenges. First, a sharp increase product complexity lead to management pressures, and the Long Poem for residential systems and the addition of decoration, its complexity is generally five times the normal rough housing, bringing the management of difficult to imagine; Second, the market acceptance of new products, a process of marketing a high work demands, the product delivered to the owners before and after the big difference in sales performance, the role of positive word of mouth marketing, very significant; Third, a lack of supporting industry costs and procurement lead more difficult in recent years, with the green economy, the situation is also supporting the policy system is not also a problem, because the property is new green technology, the government has attached great importance on the other hand failed to improve the matching policy system such as: increased use of external insulation wall thickness, resulting in the volume rate of energy-saving construction is relatively disadvantaged; the addition of the two systems and precision fitting part of the cost of increased investment, increased tax base to pay more sales tax, and the two parts of the value added created by the same land value increment tax levied general rough housing. These policies are not encouraging, it seems just the opposite. However, we believe that as the whole society awareness of the importance of green growing low-carbon policies will come eventually improve the system. "
In the low-carbon technology Landsea practice after six years, Xu Xun, said: "Experience green real estate to achieve the balance that is four goals and business objectives green balance; technical indicators and human indicators of balance; green technology integration solutions and balanced living patterns of behavior; a one-time use of the construction cost and running cost of the balance. "He added:" Landsea currently developing 13 projects, which are all energy-saving construction, passive energy-saving rate of 65% or more; all use ground source heat pump, solar and other renewable energy as the main way of energy supply; Project comprehensive energy-saving rate of 80%; these projects are all fine decoration of residential projects; the same time, indoor temperature, humidity, fresh air, degree of comfort to reflect the physical properties of living indicators significantly improve. "
Wuxi market currently the most representative low-carbon housing is the future home Landsea, deputy general manager of Southern Landsea Xu Xun's property said: "Compared with ordinary residential, residential energy saving Landsea per square meter / year can save coal 32.6 kg, 90 kg of carbon dioxide emissions, reducing sulfur dioxide, nitrogen oxide and other pollutants 1.6 kg. to the current group of more than 200 construction area of the development of the scale, energy saving is about 50 million KW h / year; carbon dioxide emissions of about 5 tons / year. Nanjing Landsea International Block total construction area of 350,000 square meters, all with ground source heat pump cooling and heating, this is the first domestic residential area, according to our preliminary check, This index also ranks first in the world. Landsea all development projects of more than 200 million square meters of total floor area of all use of ground source heat pump technology as the main way of energy supply, is also unique in the country. "
He also said China's current total of 43 billion square meters of existing buildings, 95% of non-energy efficient building; present, China accounts for each new housing area of 50% of the world total, while China's annual increase of 20 million square meters of construction, there are still more than 90% of the building does not meet the national requirements of building energy efficiency standards, building energy consumption has accounted for the entire Chinese society for 40% of the total energy consumption. China's construction and real estate arduous task of energy saving is great meaningful. The change.
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