Temperature Difference Between Floor And Ceiling

Hoping to gain a better understand of why and what to do about the large temperature difference between floors.

Temperature difference between floor and ceiling. The peak is 16 ft high. Common sources of temperature imbalances in. The temperature independently from thermostats installed on each floor. From 6 ft up to 14 ft its only about 1f.

Minisplit temperature difference between floor and ceiling. On a winter day when you are sitting at your desk the air near your feet is at 65 f. 8 10 degree temperature difference between the upstairs and the. If there s truly an 8 12f difference in temp between the floor and 8 level where the wall coil s air intake it almost has to be an uninsulated.

This consists of a timber joisted ceiling 100 x 50 mm timbers secured to the room walls but isolated from the ceiling above. We average about a 5 degree difference between our upstairs and downstairs but it gets larger in the heat of summer and cool time of winter. We only have one ac and furnace for our 2600 sqft circa 1989 home. Difference between floor vs ceiling heat ducts home hvac blog ductwork.

We have a honeywell smart thermostat to control system. The ceiling should not have contact with the existing floor or ceiling. The temperature sensors are at 2 ft 6 ft 10 ft and 14 ft above the floor. Tends to settle near the floor until airflow volume fills the entirely space sufficiently to lower the temperature.

Up near the ceiling the air is at 79 f. Let s start with a simple example. Air sealing and insulating the foundation can make huge difference as can stopping the air leaks out the top floor ceiling. 12 15 the time difference between the ceiling temperature and the sensing element reaching the same temperature is called.

The thermostat is 48 inches above the floor and it s set at 72 f. You can get very noticeable temperature gradients between floor and ceiling and even between different parts of the room at the same height. The plots below show the temperatures for a cathedral ceiling room. Heat ducts in a house are usually installed in the floor or the ceiling.

In the united states ashrae standard 55 prescribes 3 c as the limit for the vertical air temperature difference between head and ankle levels but has no standard recommending an ideal δt between floor and ceiling. The ceiling is sheeted with 2 layers of gypsum board stagger jointed and the void above filled with 100 mm mineral wool. The difference in temperature from the 2 ft level to the 14 ft level is about 3f. To maintain a temperature gradient you have to apply heat someplace and remove it someplace else.