Live in baixia district of Royal Water Bay also put her Ms Wang family structure chart got to the Advisory Editorial Board. According to Ms. Wang, journalists, trade-related technical staff on several different heating installation costs and power consumption had a valuation, in preparation for the heating of the owners can be a reference.
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Central air conditioning and heating
Machine: 2.5 million ~ 3.5 million
Energy consumption: around $ 1000 per month
"By Ms. Wang 100 square metres of living space, installing air-conditioning one-time investment in 2.5 million ~ 3.5 million, including labour costs, this is the intermediate level. "Jiangsu Corning and systems integration company Engineer Richard Meng-Peng calculation, if the three rooms with air-conditioner, living room with air-conditioner, the cost of the purchase of machines about proofreading. Richard Meng Pam believes that the choice of air conditioning and heating, at the current average price of Nanjing peak and Valley per unit is $ 0.45, 100 square meters with central air conditioning air-conditioning or three 1.5P, daily opening hours according to the 10 hour, so one month count down the tariff in 1000 Yuan. Richard Meng-Peng noted that air conditioning in winter heating is weaker, at minus 15 ° c the following startup would be very difficult, especially when the temperature is low or even not in working condition, this also means that it can be very power also cannot achieve good heating effect.
Surface water heating
Machine: 1.8 million to 3 million
Energy: more than $ 1600 per month
The floor heating system cost, Italy IMACAT heating system Kang Jing Liu home integration-in-charge of the company, said Jane ground heating methods are mainly low-floor radiant heating system, heating cable floor radiant heating systems. Plumbing system involves the heatsink (coil), diversity of water, boiler three parts, 100 m2 House required four workers 5 days working days. As the tube temperature 55 ° c or more, so the ground concrete thickness in less than 3 cm will crack, must be equipped with steel wire mesh, at least 30 Yuan/m2 of cement costs. Used natural gas water heating system despite higher than electric heat, but because the boiler heat loss in itself is very large, so the actual use of the energy consumption for water heating is very high: when burning boiler in the exhaust pipe at 120 degrees centigrade-200 degrees centigrade of emission away large amounts of heat. Heating boiler combustion threshold of minimum 50%, when the owners with water separator to 100 m2 of room only uses 10 m2 heating, its combustion value or 50% wastage. To sum up, 100 m2 House water heating cost of installed approximately 1.8 million to 3 million opening day, 10 hours per month, down energy costs more than the $ 1600.
Surface electrical heating
Capacity: 3 million to 4 million
Energy consumption: around $ 1500 per month
"Heating cable installation is simple, only the spare lines and thermostat, 100 m2 House 4 persons can be completed in two days. "Liu Zhen of the view that, since the temperature electric heating cable line in more than 65 ° c, with a minimum thickness of surface concrete 5cm and retrofitting steel wire mesh, at least 30 Yuan/m2 of cement costs. Heating cable is inherently difficult to line loss rate is less than 20%, plus a system of loss and to prevent cracking the thickening of the concrete layer of absorption of heat, the use of actual electricity — is very difficult for thermal conversion rate higher than 70%, this will allow owners to pockets. If 100 m2 House, installation of electrical heating costs approximately $ 3 million to 4 million opening day, 10 hours per month, down energy costs at about $ 1500.
Radiator heating
Machine: less than 3 million
Energy: $ 1300 per month from top to bottom
The radiator heating reports published, many people expressed interest, call consultation its price and operating costs in the future. Spain ROCA heating China and regional engineer Lutz said, 100 square metres of living space heating projects per square meters in the $ to 300 $ 260, totalling less than 3 million too, including all labour costs. Lu and said that the home install radiator heating, boiler price at $ 9000 ~ 12000 is good; 100 m2 House need the heatsink 80 ~ 90 columns, each column is 120 ~ $ 500; materials, pipes and valves and other accessories plus the installation charge around $ 6000. 100 m2 House in operation and the hourly consumption of 2.3 cubic meters, 10 hours a day off is 23 cubic metres, according to the current standard, Nanjing gas fee at $ 1300 a month.
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