CONTENTS IN NO SPECIAL ORDER
- TORNADO WHOLE HOUSE FANS FOR ATTICS AND ROOFTOPS
- TORNADO HYBRID ROOFTOP VENTILATING SYSTEMS
- INVENTIONS – MY 2022 BOOK – INSIDE THE IND OF AN INVENTOR
- INVENTION 2023 MOTORIZED WALKER FOR THE INFIRM.
- INVENTION 2024 SIGNS THAT FLY
1. TORNADO WHOLE HOUSE FANS FOR BOTH ATTICS AND ROOF NOW OFFER HIGHER AIR FLOW THAN ANY OTHER ATTIC MOUNTED FANS. NOTE THE CFMS- 5600,7600,9700, AND 12,600 !
![](https://invisco.com/wp-content/uploads/ATTICS-24-TO-48-6-2-23-550-160.jpg)
2. TORNADO HYBRID ROOFTOP VENTILATING SYSTEMS
The top suppliers are Greenheck, LorenCook, PennBarry and TwinCity’Fan – here are pictures of GH and LC showing the typical closed rain hat that severely limits their performance,
![](http://invisco.com/wp-content/uploads/IND-FOR-CONTENTS-e1716534854564.jpg)
- TO SEE THE TORNADO WHOLE HOUSE FANS FOR BOTH ATTICS AND ROOF CLICK THE GRAPH BELOW:
![](https://invisco.com/wp-content/uploads/COST-AND-CFM-ROOF-WHFS.jpg)
- MOTORIZED WALKER FOR THE INFIRM Click on the picture below.
![](http://invisco.com/wp-content/uploads/FB-MW-BANR-EDIT-DONE-11-19-23.jpg)