We are the leading supplier of roof ventilation in NZ properties and vehicles. All the structure of the actual ventilation system is based on the principle of a wind funnel. The proper roof ventilation NZ system will include an intake hose and a corresponding exhaust pipe, to ensure proper ventilation and air from the roof. Around the roof of the tunnel will serve as a cooler, and to ensure that internal and external air temperature, would not produce a high temperature than the air outside. Wind-powered roof ventilation products are highly effective at removing unwanted air from a vehicle or building so it can be replaced by fresh air. There are various things that you can do to ensure that you get the right person for the job. One of the ways you can ventilate your home is the natural method. This is where cold air from the outside moves into the home from openings that are at a lower level in the home. When the air enters the home, the warm air that is already inside is pushed up since it is lighter and it is extracted from openings that are at a higher level. The right ventilation system NZ in your home will allow you to enjoy clean fresh air when you are indoors.