Air Duct Board

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What is the whole heat exchange fresh air ventilator?
(GJG130 - Fan Jutang Duanjie Daojie Juejiao 2001) will be replaced by (GJG130-2011) is expected to begin the implementation of the construction of this year, the construction of fastener steel scaffolding safety technical specifications (GJG130), the construction of fastening steel pipe scaffolding safety technical specifications (GJG130- -2011)
In the design, the building structure and the hydropower are generally designed by the Architectural Design Institute. The air conditioning ventilation is based on the design of the room. Or first air conditioning ventilation? More
Normal heat absorption is also due to poor ventilation (dirty) and air humidity so icing
Air conditioning machine work when the sound is too much reason
Color steel plate, refers to the color coated steel plate, color coated steel plate is a kind of organic coating with steel plate
Do 3cm thick wall insulation how much kilogram of slurry and how many kilograms of polystyrene particles
Of course, is heating electricity. Heating has auxiliary electric heating, so electricity and electricity. Frequently open the fee, the air compressor is not good. 2 machine cooling power is 1700 watts, 1 hour is 1.7 degrees electricity. Heating with auxiliary electric heating power of 1500 watts, 1 hour is 3.2 degrees electricity.
If I feel the room cool off, one hour hot and open an hour this will be more expensive? More
Common scaffold brace is the U-type care, "construction of fasteners steel scaffolding safety technical regulations" (JGJ Gong Gong Duo Ji-tao pan Revenge two 130-2011) provides "adjustable support bearing capacity design value is not Should be less than 40kN, the support plate thickness should not be less than 5mm ", the general calculation using 30kN.
Ventilation is very good, why still have to install fresh air system
Also known as foam board, EPS board, is containing volatile liquid blowing agent of the polystyrene beads can be preheated by heating, heated in the mold and the formation of white objects
External wall insulation method of operation There are several combinations of materials
30-150 per square meter has, mainly to see the material, thickness and so on
The installation method of ordinary air conditioner. The more detailed the better. Please thank you all
The basic operation of the same, but the different requirements of different professional, or to determine the direction of good, and then hands.