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Home furnace do not come cheap and so when it needs frequent repairs, and have started to become expensive to maintain, the next question to ask is how to know if the unit is already beyond repair.

There are instances when it is more practical to just upgrade than spend money every now and then for the issue to be addressed. shared a rule of thumb that can be used when assessing whether it is better to replace the existing furnace or just have it repaired.

How to Know When a Furnace is Beyond Repair

When should a furnace be upgraded? (Photo Credits)

“A good rule of thumb is that it’s time to replace your furnace if it’s beyond three-quarters of its life expectancy and the repairs would cost more than a third of replacement cost. How do you know if it’s beyond three-quarters of its life expectancy? Check the label (or ask your contractor) for its manufacturer date; furnaces last an average of 15 to 20 years, according to a study by the National Association of Homebuilders.”

Read more here.

Warning signs

The website meanwhile shared some signs homeowners should watch out for in their home furnace. These problematic symptoms could mean a serious issue that should be addressed by a certified HVAC Technician. One of the issues they mentioned is too much dust. Airconditioning, Heating and Refrigeration Institute

if you notice an unusual accumulation of dust—or a large amount of it coming from the heat registers when the furnace kicks on—it could be your furnace telling you that it’s ready to give up the ghost. Your furnace takes dirty outside air, filters it, heats it, and blows it throughout your home. As your furnace gets older, it has a harder time filtering. Of course, you should change your filters every one to three months, but it’s not just your furnace filter that helps to clean your air. Your ductwork and blower fan also help to filter your air.”

Check out the rest of the web article here.

Troubleshooting and furnace repair uses meanwhile published a guide on furnace issues that a property owner can encounter, what it means, and how he should deal with it. They also discussed how to dutifully maintain a furnace so it could work optimally. American Society of Heating, Refrigerating and Air-Conditioning Engineers 

“For starters, once a year, vacuum out the area around the furnace’s blower. If possible, also slide out the fan unit, clean each fan blade with a toothbrush, and then vacuum with a brush attachment on a vacuum cleaner. While you’re at it, look for oil ports on the motor, normally located near the motor shaft. If the motor has these, apply two to three drops of non-detergent motor oil into each port.”

The furnace troubleshooting guide can be found here.

To know if it will be best to repair or upgrade a home furnace system, consult a trusted HVAC Repair Contractor.

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