Posted on 2/28/2023
If you're driving in the cold winter months and your car heater is blowing cold air instead of warm, it can be a frustrating and uncomfortable experience. Fortunately, there are a few common reasons why this might be happening, and many can be easily resolved with the help of a professional auto repair shop. Low coolant levels: One of the most common reasons for a car heater blowing cold air is low coolant levels. Coolant, also known as antifreeze, is responsible for keeping the engine warm and maintaining the correct operating temperature. If the coolant levels are low, the engine may not be warm enough to heat the cabin, causing the heater to blow cold air. Faulty Thermostat: The thermostat is in charge of regulating the temperature of the coolant in the engine. If the thermostat is faulty, it may not be opening and allowing the coolant to circulate properly, causing the engine to run cold and the heater to blow cold air. Blocked Heater Core: The heater core is a small radiato ... read more