As the weather turns colder, your heating system becomes essential to maintaining a comfortable and safe home environment. However, with proper maintenance, your heating system may be able to perform when you need it most, leading to discomfort, costly repairs, or even dangerous situations.

Preparing your heating system before the cold weather arrives ensures it runs efficiently and effectively throughout fall and winter. In this guide, we’ll walk you through the essential heating system maintenance tips to tackle before the chill sets in.

1. Inspect and Replace Air Filters

Air filters are the first line of defense in maintaining your heating system’s efficiency. These filters trap dust, dirt, and other airborne particles, preventing them from circulating through your home and clogging your system.

A dirty or clogged filter can significantly reduce airflow, forcing your system to work harder to maintain the desired temperature. This increases energy consumption and wears out the system faster, leading to potential breakdowns.

How to Inspect and Replace Air Filters:

• Locate the Filter: Most heating systems have the air filter in the return air duct or blower compartment. If you’re unsure, refer to your system’s manual.
• Inspect the Filter: Remove the filter and hold it up to the light. If you can’t see much light passing through or if it’s visibly dirty, it’s time for a replacement.
• Choose the Right Filter: Select a filter that matches the size and type recommended by your heating system’s manufacturer. High-efficiency filters can provide better air quality but may need to be changed more frequently.
• Replace the Filter: Insert the new filter, ensuring the airflow arrows on the filter point in the direction of the system’s airflow. Regularly replacing the filter every 1-3 months during the heating season can significantly improve your system’s efficiency.

2. Test the Thermostat

The thermostat serves as the control hub for your heating system. If it’s not functioning correctly, your system may not heat your home effectively or efficiently. An improperly calibrated or malfunctioning thermostat can lead to inaccurate temperature readings, causing the system to overheat or underheat your home.

This decreases comfort and increases energy costs — something we’re sure you want to avoid.

How to Test the Thermostat:

• Switch to Heating Mode: Turn your thermostat to heating mode and set the temperature slightly higher than the current room temperature. Listen for the system to turn on.
• Monitor the System’s Response: Ensure the heating system responds promptly to the thermostat setting. If there’s a delay or the system doesn’t turn on, your thermostat may need recalibration or replacement.
• Check for Accuracy: Use a separate room thermometer to check if the room temperature matches the thermostat setting. Significant discrepancies indicate the thermostat may need adjustment or replacement.
• Replace Batteries: If your thermostat runs on batteries, replace them regularly to avoid unexpected failures.

3. Clean and Clear Vents

Vents and registers are critical in distributing warm air throughout your home. When these vents are blocked or dirty, airflow is restricted, leading to uneven heating and reduced system efficiency. Clearing and cleaning your vents ensures that warm air can circulate freely, providing consistent comfort and preventing your system from overworking.

How to Clean and Clear Vents:

• Inspect All Vents and Registers: Walk through your home and check each vent and register. Remove any obstructions, such as furniture, rugs, or curtains.
• Dust and Vacuum: Use a duster or vacuum cleaner to remove dust and debris from the vent grilles. For deep cleaning, you may need to remove the vent covers.
• Check for Damage: Inspect the vents for any signs of damage or blockages that could impede airflow. Repair or replace damaged vents as needed.

4. Check and Clean the Furnace

Your furnace is the heart of your heating system, and keeping it clean is vital for safe and efficient operation. Dust, debris, and soot can accumulate in and around the furnace, reducing efficiency and potential safety hazards. Regular cleaning can prevent these issues and ensure your furnace operates smoothly throughout the winter.

How to Check and Clean the Furnace:

• Turn Off the Power: Before performing any maintenance, turn off the power to the furnace to avoid electrical hazards.
• Clean the Exterior: Wipe down the furnace’s exterior with a damp cloth to remove dust and debris. Ensure the area around the furnace is also clean and clutter-free.
• Inspect the Furnace Interior: If you’re comfortable doing so, remove the access panel to inspect the furnace’s interior. Use a vacuum to clean around the blower, burners, and other components carefully.
• Check the Flame: Check the burner flames if you have a gas furnace. They should be steady and blue. If the flames are yellow or flickering, this could indicate a problem with the burner or gas supply, requiring professional inspection.

5. Inspect Ductwork

Ductwork carries warm air from your furnace to different parts of your home. Leaks, gaps, or disconnections in the ductwork can lead to significant heat loss, making your system work harder and increasing energy costs. Inspecting and sealing your ductwork ensures that the warm air reaches its intended destination efficiently.

How to Inspect and Seal Ductwork:

• Visually Inspect the Ducts: Look for visible gaps, holes, or disconnected sections in the ductwork. Pay special attention to joints and connections.
• Feel for Air Leaks: Turn on the heating system and carefully feel around the ducts for escaping warm air, which indicates a leak.
• Seal Gaps and Leaks: Use mastic sealant or metal tape (not duct tape) to seal any leaks or gaps. Make sure all joints and connections are secure.
• Consider Professional Duct Sealing: If your ductwork is extensive or difficult to access, consider hiring a professional to inspect and seal thoroughly.

6. Lubricate Moving Parts

Moving parts like the blower motor are essential for operating your heating system. Over time, these parts can experience friction and wear, leading to reduced efficiency and potential failure. Lubricating these components reduces friction, ensures smooth operation, and extends the life of your system.

How to Lubricate Moving Parts:

• Identify Lubrication Points: Refer to your system’s manual to locate parts that require lubrication, typically the blower motor or other moving components.
• Use the Right Lubricant: Apply a few drops of motor oil or a lubricant designed for HVAC systems to the identified parts. Avoid over-lubricating, as this can attract dust and debris.
• Check for Wear: Inspect the moving parts for signs of wear or damage while lubricating. Replace any worn components to prevent future issues.

7. Check the Pilot Light or Igniter

The pilot light or igniter is crucial for starting the furnace for gas-powered heating systems. If the pilot light goes out or the igniter fails, your heating system won’t be able to produce heat. Regularly checking these components ensures your system is ready to operate when needed.

How to Check the Pilot Light or Igniter:

• Locate the Pilot Light or Igniter: To locate the pilot light or igniter, refer to your system’s manual.
• Check the Pilot Light: For systems with a pilot light, ensure it is lit and burning steadily. If it goes out frequently, there may be an issue with the gas supply or thermocouple.
• Test the Igniter: If your system has an electronic igniter, test it by turning on the furnace. If the igniter fails to light the burner, it may need to be cleaned or replaced.
• Call a Professional: If you’re unsure about inspecting these components or if they’re not functioning correctly, contact a professional technician.

8. Test Carbon Monoxide Detectors

Heating systems, especially those that burn fuel, can produce carbon monoxide (CO), a dangerous, odorless gas. Properly functioning CO detectors are essential for alerting you to the presence of this gas and helping to protect your family from potential poisoning.

How to Test Carbon Monoxide Detectors:

• Locate Detectors: Make sure carbon monoxide detectors are installed on each level of your home, especially near bedrooms and the heating system.
• Test Each Detector: Press each detector’s “Test” button to ensure it’s working. If necessary, replace the batteries.
• Replace Old Detectors: Carbon monoxide detectors have a limited lifespan, usually 5-7 years. To ensure your family’s safety, replace any detectors that are past their expiration date.
• Consider a Professional Inspection: If you have an older heating system or are concerned about carbon monoxide, consider having a professional inspect your system for safety.

9. Inspect the Flue Pipe

The flue pipe is responsible for venting harmful gases, including carbon monoxide, out of your home. A blocked or damaged flue can lead to dangerous situations, including the buildup of these gases inside your home. Regular inspection of the flue pipe ensures proper ventilation and safety.

How to Inspect the Flue Pipe:

• Visual Inspection: Carefully inspect the flue pipe for any visible damage, rust, or blockages. Make sure all connections are secure, and there are no gaps.
• Check for Obstructions: Ensure the flue pipe is free of obstructions, such as nests or debris.
• Test for Proper Ventilation: Turn on your heating system and check that exhaust gases are properly venting through the flue. If you notice any backdraft or improper venting, contact a professional immediately.
• Schedule Professional Maintenance: Consider having a professional technician inspect and clean the flue pipe annually to prevent issues.

10. Schedule a Professional Inspection

While regular maintenance can address many common issues, professional heating services are the most thorough way to evaluate your heating system. A licensed HVAC technician can identify potential problems, perform detailed cleaning, and ensure your system operates at peak efficiency, giving you peace of mind as winter approaches.

How to Schedule a Professional Inspection:

• Choose a Reputable HVAC Company: Research local HVAC companies and select one with positive reviews and certified technicians.
• Schedule Early: Schedule your inspection early in the fall to ensure your system is ready before the cold weather hits. HVAC companies can get busy as the season progresses.
• Discuss Your Needs: Communicate any concerns or specific maintenance tasks you’d like the technician to focus on during the inspection.
• Follow-up: After the inspection, follow the technician’s recommendations for repairs or additional maintenance to keep your system in shape.

Stay Warm and Safe This Winter

Ensuring your heating system is ready for the colder months is critical to maintaining a comfortable and safe home. Following these maintenance tips can prevent unexpected breakdowns, improve your system’s efficiency, and extend its lifespan.

If you’re in need of professional heating services in Needham, MA, Kerivan Lane is here to help. We’ll help ensure your home stays warm and cozy all winter long.

Contact us to learn more about our heating services near you and schedule an appointment today!