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There’s nothing worse than getting home after an exhausting day at work, only to realize your heating system has abruptly decided to stop doing its job for no apparent reason. Luckily for you, this problem can usually be solved without the need for a new furnace installation in Cherry Hill. 

In previous articles, we provided you with a list of common furnace issues and listed the average lifespans of different types of furnaces. Now we’ll discuss the 3 reasons why a furnace may refuse to turn on or fail to produce hot air. Keep reading to learn more. 

Why is my furnace running but no heat?

Even if your furnace appears to be running properly, it may still fail to produce or distribute warm air. This can be caused by a variety of different problems, some more serious than others. 

Here are 3 common reasons why your heating won’t turn on:

1. Improper maintenance

HVAC systems require regular maintenance in order to be able to operate properly. Heating systems that aren’t annually serviced by registered technicians will inevitably start acting up as a result of dirt buildup or other untreated problems. 

Issues associated with a lack of maintenance include:

Clogged air filters restrict airflow and may damage the ductwork

Dirty burners make the furnace less efficient and may even stop it from operating

Grimy flame sensor may prevent the furnace from turning on

Dirty blower motor can lead to component failure

2. Thermostat problems

Sometimes, your furnace may be blowing cold air through no fault of its own. Rather, the thermostat may be sending the wrong signals to the rest of the HVAC system.

Thermostat-related issues include:

If your fan is set to “on”, the HVAC system will blow cold air during furnace downtime. Always set your fan to “auto“.

Someone may have set the thermostat to a temperature that’s uncomfortable for you. This often happens in crowded offices or large households.

The battery in your thermostat may be running low, which prevents the thermostat from sending the right signals to the furnace.

The thermostat may be improperly installed. That’s why it’s important to always have your HVAC equipment installed by trusted technicians.

3. Gas problems 

If you’ve had any repairs done on your furnace recently, there’s a good chance that the gas supply valve is shut off. If the valve is off, your furnace won’t have anything to burn in order to produce heat. Here’s how you can turn it back on: 

Locate the gas valve on your furnace 

Make sure that the valve handle is parallel to the gas pipe 

If the valve is off, the handle will be perpendicular to the gas pipe

If the issue isn’t fixed and you can smell gas, turn off the supply and call experts immediately. Gas leaks can be incredibly dangerous. 

How do you fix a gas furnace that produces no heat?

If your furnace isn’t producing heat like it’s supposed to, despite receiving regular maintenance, having a functioning thermostat, being properly calibrated, and not being at the end of its life, you may have a serious malfunction on your hands. 

If this is the case, you should get in touch with a reputable HVAC contractor and refrain from using your heating system until the experts have examined it. For best results, always choose a HVAC team that takes a whole-house approach to pinpoint the source of your problem and propose solutions as to how to make your heating system function properly and more efficient. 

Who should I call when I need first-rate furnace installation in Cherry Hill?

Here at Allied Experts, we want to use our extensive experience and training in HVAC repair, maintenance, and installation to keep your heating system operating flawlessly all year round. As the premier HVAC contractor in Cherry Hill, we are uniquely equipped to attend to all your HVAC-related needs. Our technicians will happily make sure your HVAC system works perfectly while you and your loved ones spend a relaxing afternoon at the Chapel Avenue park. Get in touch with us today.

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