According to the US Department of Energy estimates that heating and cooling account for around 48% of the average home’s energy usage, so a malfunctioning or inefficient HVAC system can significantly impact energy usage and costs.

As home inspectors, one of the most important aspects of our job is ensuring that a property’s HVAC system is functioning properly. The HVAC system is responsible for keeping the home comfortable and safe, so it is crucial that it is well-maintained and in good working order. Here are some key tips for HVAC maintenance to keep your system running smoothly.

1. Change air filters regularly – The air filters in your HVAC system are responsible for trapping dust, dirt, and other airborne particles. Over time, these filters can become clogged, which can cause the system to work harder than necessary and potentially lead to breakdowns. It is recommended to change your filters every one to three months, depending on the type of filter and usage.
2. Clean the outdoor unit – The outdoor unit of your HVAC system is exposed to the elements, which can cause dirt, debris, and leaves to accumulate around the unit. This can cause the unit to work less efficiently, leading to higher energy bills and potential breakdowns. To avoid this, it is important to clean the outdoor unit regularly, removing any debris and trimming back any vegetation that may be encroaching on the unit.
3. Schedule annual maintenance – Even with regular filter changes and cleaning, it is important to have your HVAC system professionally serviced on an annual basis. This allows a trained technician to inspect the system, clean the internal components, and identify any potential issues before they become major problems.
4. Install a programmable thermostat – A programmable thermostat allows you to set different temperature settings for different times of the day, helping to reduce energy usage and lower your heating and cooling bills. These thermostats can also be controlled remotely using a smartphone app, making it easy to adjust the temperature even when you are away from home.

By following these tips for HVAC maintenance, you can help ensure that your system is running efficiently and effectively, keeping your home comfortable and safe. Regular maintenance can also help extend the life of your system and potentially prevent costly breakdowns and repairs.

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