Why Is My Furnace Not Heating?

Why Is My Furnace Not Heating?


In case your furnace isn’t blowing sizzling air, you might be tempted to name for furnace upkeep. However earlier than you try this, there are some issues you are able to do your self to determine why your furnace is just not heating or working appropriately.

Thermostat Issues

You will get quite a lot of details about the state of your heating system by trying out the thermostat. Oftentimes, all it takes is a fast thermostat reset to get your HVAC system again on observe.

Fan is Set to On

Make certain your fan is on auto mode. Too usually we see thermostats in “fan” mode. When fan mode is about to default, the fan is at all times operating—even when the house has reached its desired warmth stage. This implies the fan will at all times be operating, making your good heat dwelling cool once more. Whenever you swap the fan to auto, your HVAC system will go right into a sleep mode as soon as your house is sweet and heat.

Someone is Messing with the Thermostat

Not all members of the family like the identical temperature. Some really feel the chilly greater than others, and a few get too sizzling shortly. Examine that no one is messing with the thermostat settings inflicting the fan to blow chilly air.

Image: A Man Adjusting His Thermostat.

Battery is Low

When a thermostat battery is low, the system will basically flip off. The thermostat is just like the distant management to your whole HVAC system, when it’s out of battery, so is your furnace.

Most individuals who personal a thermostat have a good suggestion of tips on how to exchange the batteries within the gadget. Nonetheless, for those who don’t have any expertise with electronics or aren’t snug taking aside the unit, it’s best to name for skilled furnace upkeep.

A Clogged or Soiled Air Filter

In case your furnace is blowing chilly air, you’ll have a unclean or clogged air filter. The simplest solution to test is to take away the filter and exchange it with a brand new one.

Image: A Clean And Dirty Air Filter Side By Side.
In case you have a washable or reusable filter, you possibly can clear it utilizing a vacuum cleaner with a brush attachment. All different air filters will have to be changed. We suggest altering your air filter a minimum of twice per 12 months. For houses in dusty areas, or houses with lengthy haired pets, you might want to vary the filter extra usually.

In case your furnace isn’t working after cleansing or changing the filter, you’ll must name an HVAC skilled to test in your system and preform any mandatory furnace upkeep.

Excessive Restrict Change Failed

Your furnace has a number of sensors that maintain it operating safely and effectively. Considered one of these sensors is the excessive restrict swap, which detects extreme warmth ranges within the furnace and shuts off energy in the event that they get too excessive. When this occurs, you gained’t have the ability to use your thermostat or activate any followers. The perfect factor you are able to do is name an HVAC skilled to diagnose your system and reset the swap.

Clog within the Condensate Drain Line

Condensate drains are designed to take away extra moisture from indoor air throughout regular operation of a central heating system. The moisture is drained by gravity by the condensate pan, which is a flat pan that sits underneath the furnace.

A Downside with the Gas Supply

In case you have a furnace that stops working, it may very well be due to fuel, oil, or electrical energy.

  • In case your furnace is just not getting sufficient fuel to work, the pilot gentle will exit, and the burner will shut off.
  • Examine that you’ve got sufficient oil in your tank.
  • For furnaces that run on electrical energy, test your fuses, and energy provide.

Leaking Ducts

A leak in your ductwork permits chilly air from exterior to enter your house by the ducts and blend with heat indoor air earlier than being blown into different rooms by registers or grills within the ceiling. This causes uneven temperatures all through your house.

Image: Metal Tubing Used As Ducts And Ductwork.

Pilot Gentle Isn’t On

The pilot gentle is a security function that ensures your furnace doesn’t by chance ignite within the off place. When the furnace is off, there isn’t a flame to burn out a system part. In case your pilot gentle goes out, a system drawback wants fixing instantly.

Pilot lights are meant to remain lit for a number of hours after being ignited, so for those who discover that yours has gone out, it’s time for furnace upkeep.

Burner Points

A blocked burner will be attributable to a buildup of grime and grease. After some time, these substances clog up the burner, making it unimaginable for fuel to ignite correctly. This may increasingly additionally trigger injury to different components of your furnace, making it tough to warmth your house.

Flame Sensor Points

A unclean or worn flame sensor will trigger your furnace to run inefficiently, leading to larger vitality payments and probably damaging your heating system. To wash the flame sensor, take away it from its housing and use a small brush to softly scrub any grime or residue away. If the flame sensor is worn or broken, you need to exchange it with a brand new one.

All the time Name a Skilled for Furnace Upkeep

An expert technician can acquire information about your furnace to assist diagnose issues or decide how greatest to repair them.

Image: An Hvac Professional Changes An Air Filter.
A furnace tune-up helps guarantee your system runs effectively and prolongs its life by clearing out mud and dirt. What’s extra, warmth will attain components of your house evenly, saving you cash on heating payments!

Say goodbye to a chilly dwelling this winter by reserving a furnace tune-up with the professionals at Service Champions.

Whether you require installation, repair, or maintenance, our technicians will assist you with top-quality service at any time of the day or night. Take comfort in knowing your indoor air quality is the best it can be with MOE heating & cooling services Ontario's solution for heating, air conditioning, and ventilation that’s cooler than the rest.
Contact us to schedule a visit. Our qualified team of technicians, are always ready to help you and guide you for heating and cooling issues. Weather you want to replace an old furnace or install a brand new air conditioner, we are here to help you. Our main office is at Kitchener but we can service most of Ontario's cities


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