Preparing your HVAC System for Spring

Writen by
Guy's Team
April 30, 2024
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As winter fades away and spring begins, it's time to start thinking about your HVAC system. Preparing your HVAC system for the spring is crucial to ensure your comfort and safety during the warmer months. Neglecting your system can lead to expensive repairs or even a complete breakdown of your AC unit. This blog post will discuss five essential steps to prepare your HVAC system for the spring.

Change Your Air Filters

One of the easiest and most crucial steps in preparing your HVAC system for the spring is to change your air filters. The air filter captures dirt, dust, and other debris before entering your home. Over time, these particles can accumulate on the filter, causing it to clog and decrease the airflow in your system. This can make your HVAC system work harder to cool your home, resulting in higher energy bills and a shorter lifespan for your AC unit.

To prevent this from happening, you should replace your air filters every one to three months, depending on your usage and the type of filter you use. When changing your air filter, be sure to choose the right size and type for your HVAC system. You can consult your owner's manual or contact an HVAC professional if unsure.

Clean Your AC Unit

After a long winter of disuse, your AC unit may have accumulated dirt, debris, and other pollutants. Before turning it on for the first time in the spring, cleaning your AC unit thoroughly is essential. This will not only ensure that your system operates efficiently but also prevent indoor air pollution.

To clean your AC unit, turn off the power to the unit and remove any debris, such as leaves or twigs, from around the exterior. Then, remove the cover and use a soft brush or cloth to remove any dust or debris from the fins and coils. Finally, use a garden hose to wash away any remaining dirt or grime. Be sure to let the unit dry completely before turning it back on.

Schedule HVAC Maintenance

Regular HVAC maintenance is essential to keep your system running smoothly and efficiently. Scheduling a maintenance appointment with an HVAC professional before the spring is an excellent way to ensure that your system is in good working order. During a maintenance appointment, a technician will inspect your system, clean the components, lubricate moving parts, and identify any potential issues that may lead to a breakdown.

Regular maintenance can help prevent costly repairs, improve energy efficiency, and extend the lifespan of your HVAC system. It's recommended to schedule a maintenance appointment at least once a year, ideally before the spring or fall when you use your system the most.

Check Your Thermostat

Your thermostat is critical to your HVAC system's performance and energy efficiency. Before the spring, checking your thermostat's settings and making any necessary adjustments is a good idea. For example, if you've been using your thermostat to heat your home during the winter, you may need to switch it back to the cooling mode for the spring.

You should also check the batteries in your thermostat and replace them if needed. If your thermostat is outdated or not functioning correctly, you may consider upgrading to a programmable thermostat. Programmable thermostats allow you to set different temperatures for different times of the day, saving you money on your energy bills and making your home more comfortable.

Seal Your Home

Proper insulation and air sealing can help keep your home comfortable and energy-efficient during the spring and summer months. Before the spring, inspect your home for any leaks or drafts around windows, doors, and other areas. Seal any gaps or cracks with weather stripping or caulking to prevent conditioned air from escaping and outdoor air from entering your home.

You should also check the insulation in your attic, walls, and floors. Adequate insulation can help keep your home cool in the summer and warm in the winter while reducing energy bills. If you're unsure about the insulation in your home, consider hiring an insulation professional to inspect and upgrade your insulation.


Preparing your HVAC system for the spring is essential for your comfort and safety during the warmer months. By following these five steps, you can ensure that your system is in good working order, energy-efficient, and reliable. Changing your air filters, cleaning your AC unit, scheduling HVAC maintenance, checking your thermostat, and sealing your home are all critical steps in preparing your HVAC system for the spring. You can enjoy a comfortable and efficient home throughout the spring and summer months by taking care of your HVAC system. Contact Guy's Plumbing Heating & Air if you have questions or want to hear about our maintenance service plans.