Solar attic fan ratings part 3 completes our expert and unbiased reviews with a look at the Solar Star, Sunfire, Sunflower, Sunforce, Sunrise, Super Cyclone, Us Sunlight, Ventamatic, Ventsure, and Yellowblue brands.
This brand offers a wide variety of models to fit most any application but they are only sold through authorized dealers and the network is limited outside the USA. Their five blade fan and aerodynamically designed housing maximize the airflow on the roof mounted models and they are backed by a lifetime warranty.
The SR1800 is a low profile roof mounted fan with a tilt solar panel. They have a good standard guarantee with the option to purchase a lifetime extended warranty.
These units are made by SOLATUBE INTERNATIONAL INC. They offer two sizes of roof-mounted units and they are available in either low profile or high profile models. The IM 1200 is a gable mounted model that is designed to be added to an existing vent. The units are sold through dealers and the warranty is not as good as other brands.
SUNFIRE------ sunfire-solar.com ------<1*
These fans are made in China and have integrated PV panels. Their website is not much help and does not have a stated guarantee for the products.
SUNFLOWER- sunflower-solar.com --<1*
This brand is made in China and offers one basic model of fan that is available in three sizes. Their website is not much help and the warranty on the fans is not very good when compared to other brands.
This brand is from COLEMAN and offers only one size (180 CFM) of roof mounted fan. It is not a low profile unit, it is not very pleasing to look at, and the guarantee on the fans is not very good when compared to other brands.
This brand offers both roof and gable mounted units and they are available in three sizes. They can be purchased online and can be ordered either with or without a thermostat. Their guarantee is not very good when compared to other brands.
These units are made by SOLAR DYNAMICS INC. They offer a wide selection of models to fit any application. The SDF-20TM is designed to be added to an existing turbine style attic fan which can be easier to install. The SDF-20SF model has a self flashed base for easy installation on a sloped roof. The unit is quiet and has durable stainless steel bird and insect screens. The units are backed by a very good warranty but are only sold through dealers in the USA.
This brand offers an optional solar controller that will power the fan from house power during the night. It has an electronic thermostat and humidistat to control the unit and it comes with a handheld remote. The brand is a part of GIBRALTAR INDUSTRIES but the warranty is not very good when compared to other brands.
The VX1000SOLDOM is a roof mount unit with remote mounted panels. They also offer units with integrated panels as well as gable mounted fans but the warranty is not as good as some of the other brands.
These fans are available in roof mount or gable mount models and have electronic thermostats as well as humidistats. They offer an optional electric backup power for ventilation during the night and the roof mount units have a three position swivel design to maximize the solar power. While the warranty on the solar panel is very good, the guarantee on the motor is not as good as some of the other brands.
This brand features all metal construction for fire resistance. They offer roof or gable mount units that are backed by a lifetime warranty. Their website is not much help and the units are only sold through authorized dealers.