Aero Heating Cooling's Furnace & AC repair includes filter replacement, thermostat check, service switch evaluation, circuit breaker check, and outdoor ac unit monitoring to ensure airflow is fluid and dust-free. When your air conditioning and Furnace unit stops working and makes an unusual noise, we're here to hear and resolve your issues. Call us anytime and we'll be there right on time. Our certified HVAC expert and technician in Toronto will check for any gas leaks in the unit. Inspect your AC unit to see if there is any component damage or electrical failure due to which the AC power may have stopped working. We provide full heating and cooling service for old air conditioner units and offer you the best service in its class.