A house is occupied by 5 persons and each person releases heat at a rate of 360 kJ/h. The house is also equipped with 10 light bulbs (100 W each). Heat transfer from the house through the walls and windows to the outside is 9.000 kJ/h. Given the total house space is 500 m^3, the air density is 1.25 kg/m^3, and the air specific heat is 1.0 kJ/kg-K. Will the room temperature increase or decrease? Determine the room temperature changes rate in (degrees Celsius/hour).