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.
The HV1600 has motorized doors with R-38 insulation for energy savings. The unit has two speeds and dual motors and can be controlled by remote.
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.
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The SIERRA models are ducted units that are available in four sizes and feature R-49 insulated doors for added energy efficiency. They feature a variable speed fan and an automatic non-motorized backdraft damper for energy savings. The units can be purchased directly from the manufacturer's website but their guarantee is not as good as some of the other brands. airscapefans.com
This brand is a part of GIBRALTAR INDUSTRIES and offers belt drive or direct drive units. The belt drive units have a wall switch for control while the direct drive unit uses a pull chain and features a two speed motor. The direct drive model is designed so that it can typically be installed without cutting the rafters in the attic which makes it very good for adding a whole house fan to an older home. They have a 10 year warranty on parts. airvent.com
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 with two speed motors. The units use basic wall controls. 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 but is only available in part of California. fanman.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. The units do not have insulated doors to separate the attic from the interior of the home. gaf.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 CLASSIC units can be purchased online while the other fans are only sold through authorized dealers. quietcoolsystems.com
The HV1600 has motorized doors with R-38 insulation for energy savings. The unit has two speeds and dual motors and can be controlled by remote. The INFINITY 1100CQ is a ducted unit but the warranty is not as good as some other brands. The units can be purchased directly through their website and even includes free shipping in the continental USA. tamtech.com
The "Comfort Cooler" models are belt drive units. They are available in one or two speed fan units and five sizes. The "Comfort Aide" models are direct drive units and are available in two sizes. The units are made in the USA but their guarantee is only average for the CA models and below average for the CC models. trianglefans.com