The answer to 'why is my furnace repair' is that there can be several common causes for a furnace not working properly, including a dirty air filter, thermostat issues, problems with the ignitor or pilot light, or a malfunctioning blower motor. Symptoms may include the furnace not turning on, poor airflow, strange noises, or inconsistent heating.
In many cases, simple DIY troubleshooting and maintenance can resolve minor furnace issues. However, for more complex problems or if you're not comfortable working on the furnace, it's best to call in a professional HVAC technician. They have the expertise to properly diagnose and repair the problem to get your furnace running safely and efficiently again.