All I can say is it literally works and does exactly what they say it will. Our upstairs was always at least 5 degrees hotter than the main floor. We tried upping the insulation in the attic, and even went as far as replacing the entire HVAC system and zero improvement. These guys come along, and in 3 short hours solved a problem that existed since day one. It truly is unbelievable, and there is now less than 1 degree difference at best. If you have hot or cold rooms, then these are your guys! Amazing experience.
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