As a property owner, you have a long list of maintenance issues to deal with if you want to ensure it remains in good condition. One of these maintenance issues should be regarding your HVAC system, which stands for heating, ventilation, and air conditioning. However, to complete this maintenance, you’ll need a reliable HVAC contractor. Wondering how you know if you have the right one? Consider the following warning signs: Absence of Certification and Licensing: Many states require an HVAC contractor to have appropriate certification and licensing. One of the biggest red flags that an unqualified contractor may have...