5 Things Every Homeowner Should Know About Their Furnace

May 26, 2023


As a homeowner, one of your most important responsibilities is to maintain the comfort and safety of your home, and your heating system plays a crucial role in this. Your furnace, often overlooked until there's a problem, is a vital piece of this comfort puzzle. Understanding your furnace can not only help you save money on energy bills, but can also prevent a minor problem from becoming a costly repair or, in the worst-case scenario, a full replacement.

Here are five essential things every homeowner should know about their furnace.

Understand Your Furnace’s Maintenance Needs

Every furnace has its own set of maintenance requirements to operate efficiently and safely. Regular tune-ups can extend your furnace's lifespan, reduce energy consumption, and prevent breakdowns.

Professional services such as Metro Plumbing, Heating & Air Conditioning can help in conducting a thorough inspection and maintenance routine. Their professionals will clean and inspect your furnace, ensuring it's running safely and efficiently. They can also guide you on how to do basic upkeep yourself, like replacing air filters regularly and checking for signs of wear and tear.

Know The Age Of Your Furnace

Furnaces usually have a lifespan of 15-20 years, but it can vary based on the model, installation quality, and maintenance. If your furnace is around this age, it might be time to consider replacing it. An older furnace not only becomes less efficient, costing you more on energy bills, but it can also pose safety risks like carbon monoxide leaks.

Remember, replacing an aging furnace before it breaks down entirely can prevent inconvenient and potentially hazardous situations.

Understand Energy Efficiency Ratings

Most modern furnaces come with an Annual Fuel Utilization Efficiency (AFUE) rating that measures how efficiently the furnace converts fuel into heat.

A higher AFUE percentage means greater efficiency. When purchasing a new furnace, understanding this rating can help you make a cost-effective decision. Energy-efficient models might have a higher upfront cost but can save you money on energy bills in the long run.

Recognize The Signs Of Trouble

Pay attention to signs that your furnace might need a repair. Unusual noises, frequent cycling on and off, uneven heating, and a sudden spike in your energy bills can all indicate a problem. Moreover, if your furnace starts producing a yellow rather than a blue flame, it may indicate a serious issue like a carbon monoxide leak.

At the first sign of trouble, consult a professional for an accurate diagnosis and solution.

Know Your Furnace's Air Filters

Air filters need regular attention. They trap dust, pollen, and other airborne particles, keeping your indoor air cleaner and your furnace running efficiently. Over time, these particles can clog the filter, causing your furnace to work harder, reducing its efficiency and potentially leading to more serious issues.

A good rule of thumb is to replace or clean your air filters every 1-3 months, depending on the filter type and your living conditions.

In Conclusion

Your furnace is an essential home system that requires understanding and regular maintenance for it to perform efficiently and last as long as possible. By partnering with trusted professionals like Metro Plumbing, Heating & Air Conditioning, knowing the age and efficiency of your furnace, recognizing early signs of trouble, and keeping up with filter replacements, you can ensure your home stays cozy, safe, and energy-efficient.

So, next time when your furnace hums away in the background, remember it's not just a metal box in your basement; it's an integral part of your home's comfort system. Knowing how to care for it will make you not only a more informed homeowner, but also a more empowered one.


I believe in making the impossible possible because there’s no fun in giving up. Travel, design, fashion and current trends in the field of industrial construction are topics that I enjoy writing about.

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