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This is an all day evolution. The setup and teardown take as much as the procedure itself. There is a lot of equipment involved.
They have to seal all of your duct registers and returns to create a completely closed system. Then they connect the heater/blower system to a your duct work via a large diameter flow pipe. Then they start blowing air into your system via the heater blower unit. Once the air flow is up to speed the sealant is pumped and atomized thru the blower into your duct work.
The sealant finds all of the small holes within your ductwork and slowly seals them as the blower continues to flow air. After a while (it was about an hour for me) the sealant seals all of the leaks and the evolution is complete.
The whole thing is managed by a laptop with software the monitors airflow, pressure and sealant usage. You can see a graph representation (in real time) of the air leakage in your system from start to finish.
I started with an accumulated hole of approx. 6X6 inches and at the end it was reduced to about 1X1.
I was skeptical because it is costly but the results were as promised. All of my registers are blowing more conditioned air and my Heat pump is cycling much less.
They provided an accurate estimate consisting of time and money necessary to complete the job.
They also provided a product that met all the results promised.
While performing this all day evolution the crew was always courteous and professional.
This is not snake oil. This stuff really works.
money well spent.
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