You can block it. The unit won't heat or cool that room anymore though. The return air does effect supply air temp. And heat pump efficiency. With a 60 degree return air temp, the heat pump is more efficient then with a 70 degree return air temp.
We are simply getting contaminated causing otherwise healthy folks to lose the function of their kidneys and for a senior citizen who is already suffering sarcopenia this can be a death sentence because of the complexities associated with Renal Failure.
Kodak Black no longer in the Broward jail -- because he's been transferred to the St. Lucie County jail St. Lucie County Sheriff's Office Kodak Black, whose real name is Dieuson Octave, 19, appears in a mug shot after he was booked into the St. Lucie County Jail in Fort Pierce, Florida, on Aug. 23, 2016.