Causes of Uneven Heating from a Furnace | Comfort Zone
December 18, 2013

An effective furnace in your home should keep the rooms evenly warm. If you start to discover rooms that are colder than you expect, it might indicate leaking in the insulation, poor sealing around the windows of outside doors, or heat escaping through a fireplace when the damper is open. Or, it might come from a problem with the furnace system itself. If that’s the case, you will need to call for expert furnace repair in Atlanta, GA.

At Comfort Zone Heating & Air, we’ve performed many furnace repair jobs, and we know the sort of issues that can lead to uneven heating. Here are a few common ones. Call us if you need service to solve the uneven heating afflicting your home.

Some reasons for uneven heating from a furnace

  • Blocked vents: This is the simplest problem to fix. Check the vents in the cold rooms to see if they are shut or if they have become blocked because of shifted furniture or carpets.
  • Malfunctioning zone thermostats: If you have a zone heating system installed in your house that uses multiple thermostats, one of the thermostats may have malfunctioned, losing its connection to the rest of the system or becoming miscalibrated so that it misreads the indoor temperature. This will lead to a loss of heating in one or more of the zones in your home. (It may also be simple user error; check to see that you have the thermostats set accurately.)
  • Leaky ductwork: The ducts that channel the heated air from your furnace need to remain sealed along their length to maintain proper air pressure. Leaks in the ducts from breaks or gaps will cause a drop in pressure and a loss of heating; the vents connected to the leaky ducts will no longer provide the same level of heat.
  • Incorrect sizing: If your furnace has never managed to provide you with even heating, than the issue might unfortunately stem from the furnace’s initial installation. In this case, the furnace is too small for the space it is supposed to heat, and no matter how long it runs, it cannot spread the heat through all the rooms hooked up to its network of ducts. This requires either supplementing your heating system or replacing the furnace with a larger, more powerful unit. (Always rely on professionals for installation, since they will make sure any furnace is properly sized for the space.)

Except for blocked vents and any thermostat you may have set incorrectly, all these problems require professionals to repair: duct sealing, thermostat replacement or rewiring, or a new installation. If you cannot find a simple reason behind the uneven heating from your home’s furnace, call specialists to analyze the problem and devise a solution.

When you need furnace repair in Atlanta, GA, call Comfort Zone Heating & Air—available 24/7 for your convenience.

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