These safety standards for air conditioner brackets focuson two aspects of brackets and fasteners. In terms of air conditionerbrackets, brackets materials must be cold rolled steel or angle iron,whose angle material thickness should be 3mm greater, the cold rolledsteel must be greater than 2.3mm; in terms of brackets weight, 1P ~ 1.5Pair conditioner use the brackets, whose weight should reach to morethan 2.5 kg, 1.5p ~ 2p brackets weight of more than 3 kg, 2p ~ 3p useair conditioner brackets weight must be 5.5 kg. The carrying capacity ofair conditioner brackets can not lower4 times than the weight of airconditioner unit.

The safety of fasteners is also a very important aspect in terms of safety of air conditioner brackets.In these national safety standards, the bolts also have some strictrequirements, including no less than six bolts, length greater than95mm; all attachments must require the surface zinc passivation;fasteners are not less than life of air conditioner,(10 ~ 12 years). Inaddition to setting standards of air conditioner brackets, China hasdeveloped a complete set of testing methods, especially in the aspectsof loading and corrosion testing.