Heating SystemsWhy Are Some Rooms Colder Than Others?

It’s not an uncommon problem: After your heating unit shuts off, you notice that some rooms are warm while others remain cold. Assuming that you don’t have zoning controls and dampers for your system, there are several possible explanations for this.

Obstacles to Airflow

This is one of the most common factors. If the air vents are situated on the floor, perhaps they are being covered by furniture. Perhaps there is an obstruction in the ductwork or around the air filter. Both can build up dirt and other debris that prevent the warm air from entering.

Leaks in Ductwork

Warm air can escape through leaks in ductwork, and as a result, whatever room that part of the ductwork leads to will be left cold. These leaks are typically found at the joints and fittings. You could have a professional come over to seal the ducts.

An Undersized Heating Unit

Heating and cooling imbalances occur when the size of the comfort unit is out of proportion with that of the home. Perhaps you had a home extension built; this could further complicate matters. It should also be remembered that the further away a room is from the thermostat, the less heat it will receive. At MM Comfort Systems, we know how important it is to find the right-size system for homeowners in Seattle, WA. We take into account the amount of insulation in a property and, with it, the rate of heat loss.

A Poorly Maintained Unit

Your heating system may develop problems over time that works against its performance. This is why getting regular maintenance is essential. This is another job that is best left to a professional.

Serving Homeowners Since 1977

You can leave maintenance and air duct cleaning to the technicians at MM Comfort Systems. We also provide Redmond and Sumner residents with AC and heating repairs and installations. If you have a more extensive project in mind and need a design/build contractor, you can rely on us. Call today to ask any questions.


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9680 153rd Ave NE,
Redmond, WA 98052

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