Preparing Your HVAC System for Winter

As winter approaches, it’s essential to ensure your HVAC system is ready to handle the demands of the cold months ahead. A well-prepared HVAC system can help you stay warm, reduce energy bills, and prolong the lifespan of your heating equipment. Here’s how to prepare your HVAC system for winter in a few simple steps.

1. Replace or Clean Air Filters: Air filters play a crucial role in maintaining indoor air quality and keeping your system efficient. Clogged or dirty filters restrict airflow, causing the system to work harder, which can lead to higher energy bills and even system breakdowns.

Tip: Replace or clean air filters at the start of the season and check them monthly during heavy usage periods.

2. Test the Thermostat: Before the cold sets in, make sure your thermostat is set and working correctly. If you have a programmable or smart thermostat, adjust it to optimize energy use and keep your facility comfortable throughout the day. If you don’t have a building controls system in place, consider installing one to help maximize efficiency and sustainability.

Tip: For optimal savings, set your thermostat a few degrees lower while the building is not occupied. Many smart thermostats can help you automate this for maximum efficiency.

3. Inspect and Clean Your Vents: Blocked or dirty vents can impede airflow and lead to uneven heating. Ensure that all vents and registers are open and free from obstructions like furniture, drapes, or rugs. Also, dust and vacuum vents to reduce dust circulation and improve indoor air quality.

Tip: Walk through each room to check that vents are clear and open, allowing air to circulate freely.

4. Clear the Area Around the Outdoor Unit: For facilities with heat pumps, keeping the outdoor unit clear is essential for optimal performance. Remove any leaves, branches, dirt, or debris around the outdoor unit, as these can obstruct airflow and reduce efficiency.

Tip: Trim back bushes or plants within a two-foot radius to maintain proper airflow and prevent future obstructions.

5. Inspect Ductwork for Leaks: Leaky ducts can allow heated air to escape, which forces your HVAC system to work harder and wastes energy. Inspect your ductwork for any visible gaps, cracks, or loose connections. Sealing these leaks can make a noticeable difference in heating efficiency and comfort.

Tip: For professional-grade sealing, consider having a technician conduct a blower door test to identify and fix leaks.

6. Insulate Pipes and Seal Windows: Even the most efficient HVAC system can’t perform well if warm air escapes through poorly insulated areas. Insulate exposed pipes to prevent freezing, and check windows and doors for drafts. Proper insulation and weather-stripping are simple, cost-effective ways to keep warm air inside.

Tip: Place weather-stripping around windows and doors, and add a door sweep to reduce drafts and prevent heat loss.

7. Test the Carbon Monoxide Detector: If your HVAC system runs on natural gas, a carbon monoxide detector is essential to keep your facility safe. Test your detectors and replace batteries as needed. Carbon monoxide is odorless and colorless, so having a working detector can alert you to any dangerous leaks.

Tip: If your detector is older than five years, consider replacing it with a new model for added peace of mind.

8. Schedule a Professional HVAC Inspection: A thorough inspection by a qualified HVAC technician is one of the best ways to prepare your system for winter. Regular inspections can identify any issues before they become costly repairs, ensure peak efficiency, and extend the life of your equipment.

Tip: An annual maintenance visit includes cleaning components, testing the system’s functionality, and providing you with a report on your system’s condition. Many HVAC companies offer maintenance plans to simplify this process and keep you covered year-round.

9. Consider an Energy-Efficient Upgrade: If your HVAC system is older and struggling to keep up with your heating needs, this may be the ideal time to consider upgrading to a more energy-efficient model. Newer systems use advanced technology to heat your facility more effectively while reducing energy consumption.

Tip: Many modern HVAC systems qualify for rebates and tax credits, so upgrading can be a cost-effective long-term investment.

Taking the time to prepare your HVAC system for winter can save you from unexpected issues, reduce energy costs, and keep your facility warm. With a few simple maintenance tasks, you can ensure that your HVAC system is ready to take on whatever winter brings. Don’t wait until the first freeze to start – prepare now and enjoy a comfortable, worry-free winter!

Preventive service maintenance prolongs the life of your system and ensures better energy efficiency and air quality. Ahern provides mechanical preventive maintenance agreements based on building owner specifications. Contact us today to keep your HVAC system running in peak condition.