Gas Furnaces Issues

As the temperatures plummet, there is excessive use of gas furnaces and heating systems. Whether it’s a residential or commercial property, some basic problems of gas furnaces affect their efficiency. With years of experience in gas furnace repair and installation, our experts have made a basic guide for homeowners struggling with such issues.

The basic knowledge about the most common gas furnace issues goes a long way. It not only helps you avoid them but can come in handy for simple DIY fixes. If you want to make the most out of your investment, keep reading for useful information.  

What Are Most Common Gas Furnaces Issues    

Furnace Doesn’t Heat Enough

The number one issue we get asked about is “Our gas furnace isn’t heating enough, what to do?”. It is rarely a problem in itself but indicates other underlying issues such as dirty filters or a malfunctioning thermostat. A furnace fails to produce enough heat when it is of the wrong size.

Frequent Cycling

Frequent heating cycles indicate serious issues with the furnace. If unattended it could lead to serious hazards such as circuit breaks and fires. Cycling between the “on” and “off” indicates improper airflow and a poorly performing thermostat. A faulty setting may be the culprit as well.

Noisy Operation

A gas furnace is supposed to work with virtually no noise. As the age of the furnace start to produce continuous humming sounds. But if you start to notice rumbles, squeaks, and rattles, something is wrong with the furnace. It’s best to switch off the power supply and get it inspected before using it again.


Wear and tear of a gas furnace can lead to airflow problems resulting in overheating. Or it could be a faulty thermostat. This issue needs to be fixed as soon as possible to avoid burns and injuries. We recommend seeking emergency help in all such instances.

Loss Of Thermostat Control

The thermostat is like the brain of your gas furnace. Modern versions offer smart control and help make your house energy efficient. A lot of homeowners complain about the loss of thermostat control either due to battery issues or malfunctioning units. This could result in underheating or overheating.

Pilot Control Or Ignition Problems

Several homeowners call us every year with pilot control or ignition problems. They are unable to light the pilot and hence fail to maintain comfortable temperatures. Clogs in the pilot or thermocouple issues cause these problems. 

Repair Gas Furnaces                                                              

How To Repair Gas Furnaces      

Here are some easy DIY fixes for you.

Replace The Air Filters

The most effective and easy DIY fix is to change the air filters. Dirty or clogged filters impede the airflow giving rise to a multitude of problems. Read the instructions manual provided by the manufacture to locate the air filter. Clean or replace it once every month. You can hire a professional to do it for the first time and then do it on your own later or simply follow the manual.

Check The Thermostat Regularly

Consult the users-manual for locating the thermostat. Sometimes replacing the thermostat battery can fix the issue. All you need to do is to purchase new batteries and replace the old ones.

Minimize Drafts

If the gas furnace is subject to air drafts, you may be dealing with ignition problems. The solution lies outside the gas furnace and that is to close the doors or windows in the room.

Check The Circuit Breaker And Power Supply

If the thermostat screen is blank and the gas furnace is not producing heat, check the power supply and circuit breaker. Make sure the power cord is plugged in. Many of our clients called our emergency furnace repair services just to plug in the power cord!

When To Call Professional For Gas Furnace Repair

Most of the gas furnace issues are not easy fixes and it’s best to call in a professional. Do you want to keep yourself and your loved ones safe, pay lower utility bills and enjoy comfortable heating? Call our team of repair technicians for the following.   

Faulty Blower

The furnace fan limit switch is a component responsible for transmitting warm air throughout the air ducts. It activates and deactivates the furnace blower assembly. If you are experiencing blower issues, the limit switch needs to be replaced. It isn’t an ideal DIY fix.

Ignition Control Problems

Ignition issues are caused by faulty electrical or clogged components. It isn’t like checking or resetting the thermostat. Hiring a professional can save you from accidents.

Fuel Related Issues

Handling gas or propane issues must always be left to highly trained and experienced professionals. The risks are obvious and frightening.

Mechanical Issues

Most of the mechanical issues are related to wear and tear. Unless you have professional training, hire a professional not to void the warranties.              

Gas Furnaces Repair Services  

Who To Call For Gas Furnaces Repair      

With so many gas furnace repair companies out there, who to call at the hour of need is a difficult question. Whether you hire us or not, don’t forget to check a prospective company for the following traits.

License And Insurance

Never put yourself or your investment at risk by hiring a company without verifying legal compliance. The company representative must provide you with proof of the current license and insurance.

Stellar Reputation

Don’t fall for the claims. Ask around for references. Don’t settle for anything less than a stellar reputation. Read online reviews on reputable websites such as Better Business Bureau.

Competent Rates

Request estimates from different companies to get competitive rates.                                                     

How Often You Need Gas Furnaces Repair Services

If you are good at regular maintenance, you would need gas furnace repair services once a year on average. Annual maintenance includes thorough examination and cleaning of furnace components. 

Get Started With Our Repair Services     

Timely repairs can save you thousands of dollars when it comes to gas furnaces. Mile Hi HVAC is hailed as the most trusted company for quality furnace installation and repair services in Denver. Get in touch with us now!

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