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Smith-Dahlquist Inc. offers tips for safe, efficient heating


Your heating system takes on renewed importance heading into winter, and its safety and efficiency are your keys to comfort.

To help you get a head start, Smith-Dahlquist, Inc., offers tips to ensure that, starting with installing a carbon monoxide detector to let you know if levels of this potentially hazardous gas are present in your home.

In addition, check your furnace filter monthly. If it’s still good, you should be able to see light through it.

“It definitely shouldn’t look like a quilt like grandma made,” said Shelley Smith, president of Smith-Dahlquist.

Dirty filters are the biggest cause of heating inefficiency and can cause furnaces to overheat and, subsequently, heat exchangers to burn out, she said.

The best action you can take is to make an appointment for a thorough, professional inspection and cleaning of your furnace components by HVAC experts. The best time is now, before cold weather arrives and the furnace is in constant operation.

“We want to make sure our clients are safe, and their furnace is safe and efficient to operate.” said John Smith, Smith-Dahlquist vice president.

A qualified heating contractor should vacuum out the unit, inspect the blower motor, inspect the heat exchanger for cracks, check the electronics, and perform a multipoint check to make sure the furnace is operating properly.

Symptoms that indicate furnace problems include short cycles of on-off running, uneven or leaning flames, flames with yellow or orange tips, rumbling or popping noises, and soot deposits.

Often overlooked is cleaning the condensate trap and drain line on condensing furnaces. An indication of failure is water on the floor.

“The main thing is safety,” said Shelley Smith, Smith-Dahlquist president. “The fall season is very important before using the furnace all the time.”

For more information, contact Smith-Dahlquist, Inc., a six-time award-winning heating, ventilation, air-conditioning and fireplace provider, at, or call (815) 895-5470. Visit the showroom at 994 Crosby Ave., Sycamore.