When it comes to HVAC systems, a little dirt can do big damage. And big damage equals big repair and replacement costs. With heating equipment, weak or dirty pilots can be extinguished, causing the furnace to shut down. With cooling equipment, dirty evaporator coils can decrease efficiency, and cause compression failure. Once machinery fails, repairs estimates will increase in price and equipment life cycles can decrease by as much as ten years. When it comes to HVAC systems, a little dirt can do big damage. Simple cleaning and component checks can go a long way in ensuring your HVAC equipment functions properly.