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These fans are made in the USA by Ventamatic Ltd. and are backed by a very good warranty. They offer two sizes of direct drive units as well as three sizes of belt drive units. bvc.com
This brand is a belt drive unit with a two speed motor controlled by a wall switch. The unit has a 12 hour timer to turn the unit off as well as an automatic fire safety sensor. It is available in three sizes to match the ventilation requirements of your home and has a ten year parts warranty. fanman.com
This brand is available in the USA, Australia, and New Zealand. They offer both attic mounted and roof mounted units and feature variable speed motors for quiet efficient operation. They have an optional motorized damper system with an R-60 insulation rating for energy savings and the units are backed by a very good warranty. invisco.com
These fans are from GAF MATERIALS CORP. and are available at many home improvement stores. They offer basic units in either belt drive or direct drive which require some framing or their tandem unit which does not require any modification of the rafters in the ceiling. The basic models are backed by a better warranty and receive the higher 4* rating while the tandem unit warranty is not as good and receives a 3* rating. The units do not have insulated doors to separate the attic from the interior of the home. Therefore, the home may waste some energy. gaf.com
This brand is from MARLEY ENGINEERED PRODUCTS. The A24DD is a three speed direct drive whole house fan. It is a basic unit that uses a wall mounted control. The warranty is not very good. marleymep.com
This brand offers a variety of models with either wall mount or wireless controls and the units have a ten year parts warranty. The "CLASSIC" line offers a basic low cost ducted system while the "energy saver" line uses state of the art motor technology that cuts down the operating costs. The "attic mount" line offers basic units with the energy efficient motor. They also offer a gable fan model as well as a roof mounted unit for those situations where it is not desired or practical to have a unit in the attic. The CLASSIC units can be purchased online while the other fans are only sold through authorized dealers. quietcoolsystems.com
You can continue to browse our alphabetical list of manufacturers but, if you are looking for a specific brand, you can enter its name in the search box at the top of the page.