Like it is with other appliances and gadgets, HVAC units come with several safety concerns. These can be categorized into two. The first concern on safety will be on DIY maintenance and the second one touches on the lack of proper care. When homeowners ignore the maintenance of their furnace or air conditioner, they have to contend that hiring an HVAC repair expert regularly is inevitable. Regular HVAC unit maintenance is not only done, to ensure efficiency and cost-effectiveness, but also to guarantee safety. When the system runs perfectly, there is a high chance that it will not pose any risks to you. A furnace can have a crack and leak without any notice. Such instances can lead to carbon monoxide poisoning, not to mention the risk of fire outbreaks. However, with proper maintenance, it is possible to detect such an issue with your heating and cooling system, thus saving the entire family from risk. You will prevent such hazards, preventing costly consequences. On the other hand, DIY maintenance should also be done within safety measures. It is important to understand what you are doing, preferably under the guidance of an HVAC technician or HVAC business expert. Unless you observed or are getting instructions from such an expert over the phone, do not attempt to fix complex issues with your unit. Sometimes DIY repair projects work on the HVAC, but whoever is handling it should understand what they are doing. All electric and gas-related repairs must be left for professional HVAC experts. Any slight mistake when addressing such issues could pose severe dangers to you and your family.