The second advantage of Hitachi central air conditioning is Hitachi stepless frequency conversion technology. Hitachi household central air-conditioning compressor can realize stepless frequency conversion-the working efficiency can be continuously and accurately adjusted according to the change of system capacity, with obvious energy-saving effect, economical operation and natural and comfortable indoor environment.
Five suggestions:
1. Different from the installation method of ordinary air conditioners, the design and installation of small central air conditioners must be carried out before the room decoration, so that the owner can't be seen in the room, and the overall pattern is more concise and beautiful. It is best to install this design project during the construction process, otherwise it will affect the later decoration.
2. General household central air conditioning has no fresh air system. Even the air heat pump can only achieve 15% fresh air replacement. If you want to achieve better results, you need to add a fresh air system.
3. The outdoor environment of home central air conditioner may produce certain noise, but it is not very loud, so it is best to install it on the balcony far away from the bedroom.
4. The outdoor opportunity balcony covers an area of about 1 m2.
5. The service life of general household central air conditioner is about 15 years, and the owner needs to pay for replacement.