January 12, 2018
If you have an attic, the Tornado ES-6400 is the best rafter mounted whole house fan in history. If you have no attic, the Tornado ER-8000 is the first and only high performance rooftop whole house fan.
No other source offers you 6,320 CFM using just one motor and blade in a rafter mounted system. No other source has a rooftop mounted whole house fan that pulls 8,000 CFM with a single 20 inch blade on one motor.
Above is the roof mounted Model ER-8000 in test and to the right the new 2018 propeller that has a big 50 degree bite and 8 blades!
The roof mount is ideal for Mid Century Modern homes. More here
Above is a classic Eichler home with no attic.
- *Mark in Brisbane Australia February 2017
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