Itâs a good sign that the leaves are still in rather good condition considering the root health. An orchid with minimal to no roots is worrisome, but we have lots of tricks we can try to get it to sprout new ones. In fact, my wife has been in this exact predicament with several of her rescue orchids. Root rot can happen so quickly sometimes. The good news is that you can still save an orchid with few to no roots!
If the temperature is higher that -20Â° vs. outside temp, look for areas where air may be getting in and heating the house. However, with the thermostat set to cool, the air coming out of the air escape should be between 45-60Â°F. Locate the vent. In some cases they may be on the floor, wall, or ceiling. For vents on the ceiling, the IR-IND allows you to gauge temperature (from a distance) as it leaves the vent.
Best Answer: i couldn't give you an exact temperature but if your system is operating efficiently you should have a difference of approx. 17-20 degrees between the air blowing out of your supply air vents and your return air vent or vents {supplies push air out ,returns suck air in}. Source(s): oy79r Â· 9 years ago.eport Abuse. As a ball park figure, the temperature of the air from the vents should be some where about 15 to 20 degrees colder that the room temperature. That is strictly ball park, there are many factors that will affect the actual outcome.