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.
Sarah Wayne Callies: Back from the Dead! In one crazy unexpected twist, Sarah Wayne Callies is coming back to Prison Break next season!!! Yes, even after her character, Dr. Sara Tancredi was unexpectedly beheaded last season. Apparently she had a contract dispute with 20th Century last year but thatâs all been resolved.