The answer to 'preventive maintenance leaking water' is that there are several common causes for this issue, including clogged condensate drains, refrigerant leaks, or issues with the condensate pump. Symptoms may include water pooling around the HVAC unit, water stains on walls or ceilings, or high humidity levels in the home. Solutions can range from simple DIY maintenance to more complex repairs that require a professional HVAC technician.
For minor issues like a clogged condensate drain, homeowners can often clear the blockage themselves by flushing the drain line with a wet/dry shop vacuum or by pouring a mixture of water and vinegar through the drain. However, for more serious problems like refrigerant leaks or issues with the condensate pump, it's best to call in a licensed HVAC professional to properly diagnose and repair the problem to prevent further damage or safety issues.