What is the reason why the left warm air of the eighth generation Accord is not hot?

The reasons why the heater on the left side of the eighth Accord is not hot are: 1, the heater slot is blocked or the air duct of the air conditioner is blocked, so just clean the heater slot; If the thermostat is out of order, please replace it. The length, width and height of the eighth generation Accord are 4945mm, 1845mm and 1480mm respectively, and the wheelbase is 2800 mm It is equipped with a 5-speed manual gearbox with a maximum torque of 189 Nm. The eighth Accord has a minimum ground clearance of 1 15km, a fuel tank volume of 70L and a maximum horsepower of 156. The front suspension of the car is a double wishbone independent suspension, and the rear suspension is a multi-link independent suspension. Tire size is 2 15/60R 16.