October 20, 2023

Winter is Coming: How to Prepare Your Heating System for the Cold Months

A1 Mitchells Heating & Cooling LLC

Winter’s icy grip is unforgiving, especially if you’re caught unprepared. One essential aspect of winter preparation is ensuring that your home’s heating system is up to the task. While snowflakes falling and hot chocolate brewing paint a cozy picture, the reality can be far less romantic if your heating system fails you in the middle of a frosty night. In this comprehensive guide, we’ll walk you through the key steps to prepare your heating system for the cold months ahead.

1. Conduct an Early Season Test Run

Why it Matters

Before the winter sets in, it’s crucial to test your heating system to identify any potential problems. This gives you ample time to fix any issues before you are reliant on it.

How to Do It

Turn your heating system on and set the thermostat to a comfortably high temperature, say around 75°F. Listen for unusual noises, check if all the vents are blowing hot air, and take note of any odd smells. If everything works fine, you’re off to a good start.

2. Replace or Clean Air Filters

Importance of Clean Filters

Dirty air filters obstruct airflow, reducing the system’s efficiency and making it work harder. This not only increases your energy bills but also can shorten the lifespan of your heating system.

Maintenance Steps

Check your air filters every month.

Replace disposable filters or clean reusable ones at least once every three months.

3. Check and Seal Ductwork

The Issue with Leaky Ducts

Leaky ducts can lose up to 30% of the warm air before it reaches your living spaces, leading to higher energy bills and less effective heating.


Inspect the ductwork for leaks, gaps, or fallen insulation. Use duct tape or mastic sealant to seal any leaks and insulate ducts that run through cold spaces like attics or basements.

4. Calibrate Your Thermostat

Why Calibration Matters

A poorly calibrated thermostat can misread your home’s actual temperature, causing your heating system to cycle on and off irregularly, leading to inefficiency.

How to Calibrate

If you have an older, mechanical thermostat, consider upgrading to a digital or smart thermostat for better accuracy. If recalibration is needed, refer to your owner’s manual or call in a professional.

5. Professional Inspection and Maintenance

Importance of Expert Check-ups

A professional can perform a more thorough inspection of your heating system to ensure that it’s in peak condition. This includes checking the burners, ignition system, and ventilation for gas and oil heaters.

What to Expect

Thorough cleaning of components.

Lubrication of moving parts.

Safety checks for carbon monoxide leakage.

Additional Tips for Enhanced Comfort and Efficiency

Install a Humidifier: Dry winter air can make it feel colder than it is. A humidifier adds moisture to the air, making it feel warmer.

Use Ceiling Fans: Reversing your ceiling fan to spin clockwise can help circulate warm air trapped near the ceiling.

Programmable Thermostats: These can automatically adjust the temperature based on your needs and schedule, thus saving energy.


Preparing your heating system for the winter is not a luxury; it’s a necessity. By taking these steps, you can ensure a warm and cozy winter while also saving money on energy bills and avoiding unexpected breakdowns. Whether it’s replacing the air filter or getting a professional check-up, each action you take contributes to the overall efficiency and longevity of your heating system.

Remember, the time to act is before the winter chill sets in. By then, heating professionals will be swamped with calls, and you don’t want to be stuck in a cold home waiting for help. Prepare now and rest easy all winter long.

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October 20, 2023