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How We Prepare Your Furnace For Winter

Preparing your furnace for the winter is essential to ensure that it operates efficiently and safely during the colder months. Schultz HVAC (Heating, Ventilation, and Air Conditioning) company can help with this process. Here's an overview of the steps we typically take to prepare your furnace for winter:

  1. Inspection:

    • A professional technician will start by inspecting your furnace. They will look for any signs of wear and tear, damage, or potential issues that may need attention.


  • The technician will clean the furnace components, including the burners, blower, and heat exchanger. Accumulated dirt and debris can reduce the furnace's efficiency and even pose safety hazards.

Air Filter Replacement:

  • The air filter in your furnace should be checked and replaced if necessary. A clean filter ensures good air quality and proper airflow, which is crucial for the furnace's performance.

Thermostat Calibration:

  • The HVAC technician will check and calibrate your thermostat to ensure it accurately controls the temperature in your home.


  • Moving parts within the furnace, such as motor bearings and fans, may require lubrication to reduce friction and extend their lifespan.

Gas Line Inspection:

  • If your furnace runs on natural gas, the technician will inspect the gas lines and connections to ensure there are no leaks or safety issues.

Ignition System Testing:

  • The ignition system, whether it's a pilot light or electronic ignition, will be tested to ensure it's working correctly.

Carbon Monoxide Check:

  • Carbon monoxide is a byproduct of combustion, and a malfunctioning furnace can produce dangerous levels of this gas. The technician will check for any leaks and ensure proper ventilation.

Ductwork Inspection:

  • The HVAC company may inspect your ductwork for leaks, blockages, or other issues that can affect the distribution of warm air throughout your home.

Safety Inspection:

  • A comprehensive safety check will be performed to identify any potential safety hazards, such as loose wires, faulty electrical connections, or overheating components.

Efficiency Check:

  • The technician will evaluate the furnace's efficiency and recommend any adjustments or upgrades that can help you save on energy costs.

Test Run:

  • Finally, the technician will test the furnace to make sure it starts, runs, and shuts down properly. They'll also check for any unusual sounds or odors that may indicate problems.

Schultz HVAC

Mishawaka, IN

Phone/Fax: 574-293-7413

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