How do you use them and what size on what size building? Fresh air ventilation? Did you ever try the Ultra-Aire or other brands?
Originally Posted by TnNate1412
Bear Rules: Keep our home <50% RH summer, controls mites/mold and very comfortable.
Provide 60-100 cfm of fresh air when occupied to purge indoor pollutants and keep window dry during cold weather. T-stat setup/setback +8 hrs. saves energy
Use +Merv 10 air filter. -Don't forget the "Golden Rule"