If you live in Utah, you know that our winters can be intense. Our climate puts a significant strain on home heating systems. Your furnace is arguably the hardest working appliance in your home during those long winter months.
Replacing a furnace is a major financial investment. Naturally, every homeowner wants to delay that expense for as long as possible. The good news is that with the right care and attention you can significantly extend the operational lifespan of your heating system.
In this comprehensive guide, we’ll dive into actionable strategies to keep your furnace running smoothly for years to come. Whether you have a brand-new high-efficiency model or an older unit that has seen a few winters, these tips will help you get the most out of your HVAC system.
Why Does the Utah Climate Behave Differently Toward Furnaces?
Have you ever wondered why furnaces in Utah seem to work harder than those in other parts of the country? It comes down to our unique geography and climate. Utah is known for its high altitude and extremely dry air.
Dry air holds less heat than humid air. This means that to make your home feel like it is 70 degrees, your furnace has to run longer and work harder than it would in a humid climate. That’s why the temperature swings in Utah can feel so drastic. We often see days where freezing nights transition into relatively mild afternoons, causing your system to cycle on and off frequently. This constant cycling (“short cycling”) puts wear and tear on the ignitor, the blower motor, and the heat exchanger. Understanding this environmental load is the first step in realizing why proper maintenance is essential.
How Often Should I Change My Air Filter?
If you only take one thing away from this article, let it be this: change your air filter. It sounds simple, but a clogged air filter is the number one cause of premature furnace failure.
Here’s why it matters: Your furnace “breathes” air in, heats it, and pushes it out. When the filter is clogged with dust, pet dander, and hair, the furnace effectively starts to suffocate.
- Static Pressure: A dirty filter increases static pressure inside the system.
- Overheating: The lack of airflow can cause the heat exchanger to overheat.
- System Shutdown: Modern furnaces have limit switches that will shut the unit down if it gets too hot, leading to emergency calls.
The Rule of Thumb:
Check your filter every 30 days. In Utah, especially during winter or wildfire season, you may need to change it every month. If you use higher-quality pleated filters, you might get 90 days out of them, but you should still check them monthly.
What Happens During a Professional Tune-Up?
Many homeowners view annual maintenance as an unnecessary upsell. However, think of your furnace like your vehicle. You wouldn’t drive your car for 100,000 miles without an oil change and expect the engine to last.
When you hire a professional from Any Hour Electric, Plumbing, Heating & Air, we don’t just “kick the tires.” A professional tune-up involves a comprehensive inspection that includes:
- Safety Checks: Inspecting the heat exchanger for cracks (which can leak Carbon Monoxide) and testing safety controls.
- Cleaning: Cleaning the burner assembly and the blower motor. Dust on the blower fan blades can reduce efficiency by weighing them down.
- Electrical: Tightening loose electrical connections and measuring voltage/amperage on motors.
- Lubrication: Lubricating moving parts to reduce friction and wear.
Regular tune-ups can catch small issues, like a fraying belt or a struggling capacitor, before they turn into catastrophic failures that require a full system replacement.
How Does My Thermostat Strategy Affect Longevity?
Are you constantly tweaking the temperature dial? Or maybe you crank the heat up to 80 degrees hoping it will warm the house faster? (Spoiler: it won’t). How you use your thermostat dictates how much stress you put on your furnace.
The Setback Strategy
Invest in a programmable or smart thermostat. These devices allow you to lower the temperature automatically when you’re asleep or at work. Lowering your thermostat by 7-10 degrees for 8 hours a day can save you 10% a year on heating and reduce the total runtime of your unit.
Avoid Drastic Swings
While setbacks are good, avoid letting the house get too cold. If you drop the temp to 50 degrees while you’re away, your furnace has to run continuously for hours to bring the temp back up to 68. This long, intense run cycle can place immense strain on the system. Aim for a moderate setback of about 5 to 8 degrees.
Can Fixing Air Leaks Really Save My Furnace?
Absolutely. Your home’s envelope (windows, doors, attic insulation) works in tandem with your furnace. If your home is leaky, your furnace is trying to heat the neighborhood, not just your living room.
- Drafty Windows/Doors: Warm air escapes, and cold air enters. The furnace receives a signal that the room is cooling down and kicks back on immediately.
- Attic Insulation: Heat rises. If your attic insulation is insufficient, the heat your furnace produces goes right out the roof.
By sealing windows with weatherstripping and ensuring your attic is properly insulated, you’ll keep the heat inside. This allows the furnace to rest for longer periods between cycles, significantly reducing wear and tear over the course of a winter.
Why Is Ductwork Maintenance Crucial?
Your ductwork is the circulatory system of your HVAC setup. You could have the most expensive, high-efficiency furnace on the market, but if your ducts are leaking, crushed, or disconnected, the system will fail prematurely.
According to Energy Star, typical homes lose about 20% to 30% of the air that moves through the duct system due to leaks and holes. This forces the furnace to run longer to satisfy the thermostat.
Action Steps:
- Have a professional inspect your ducts for leaks.
- Ensure return air vents are not blocked by furniture or rugs. The furnace needs to pull air in just as much as it needs to blow air out. Blocking a return vent is like trying to run a marathon while breathing through a straw.
How Does Humidity Impact Furnace Health?
As mentioned earlier, Utah is dry. This dryness isn’t just bad for your skin; it’s tricky for heating. Moist air holds heat better than dry air. In a dry home, the air feels cooler even at higher temperatures, prompting you to turn the thermostat up.
By installing a whole-home humidifier, you can keep the indoor humidity at an optimal level (between 30% and 50%). This allows you to feel comfortable at a lower temperature setting (e.g., 68 degrees instead of 72). Lowering the temperature setting reduces the workload on the furnace, extending its life.
What Are the Warning Signs of a Failing System?
Part of extending your furnace’s life is listening to what it’s telling you. Catching a problem early can prevent a domino effect of damage. Be on the lookout for:
- Strange Noises: Squealing, rattling, or banging are not normal. Squealing often means a belt issue, while banging could indicate an ignition problem.
- Short Cycling: If the furnace turns on and off every few minutes, it is overheating or the thermostat is malfunctioning.
- Yellow Pilot Light: If you have an older gas furnace, the flame should be blue. A yellow flame indicates incomplete combustion and a potential Carbon Monoxide leak. Call Any Hour immediately.
- Uneven Heating: If the downstairs is boiling and the upstairs is freezing, your blower motor might be failing.
Is It Better to Repair or Replace?
Eventually, every homeowner faces this question. While we want to extend the life of your unit, there is a point of diminishing returns.
The 50% Rule:
If the cost of the repair is 50% of the cost of a new unit, and your furnace is over 15 years old, it is usually better to replace it.
However, if your furnace is under 10 years old, repairs are almost always the right choice. Regular maintenance is the key to ensuring you don’t have to make this difficult decision prematurely. A well-maintained furnace in Utah can last 15 to 20 years. A neglected one might only last 10.
Conclusion
Your furnace is the unsung hero of your Utah home, protecting your family from freezing temperatures day and night. By taking proactive steps like changing filters, managing humidity, sealing leaks, and scheduling professional maintenance, you can add years to your system’s life.
Don’t wait for your furnace to break down in the middle of a January snowstorm. Prevention is always cheaper and more convenient than an emergency replacement.
Ready to give your furnace the care it deserves?
Contact Any Hour Electric, Plumbing, Heating & Air today to schedule your comprehensive furnace tune-up. Our certified technicians are ready to ensure your home stays warm and safe all winter long.
Extending Furnace Life: Frequently Asked Questions (FAQ)
How long does a furnace typically last in Utah?
On average, a gas furnace lasts between 15 and 20 years. However, due to Utah’s harsh winters and heavy usage, a furnace that is not regularly maintained may fail sooner, often around the 10-12 year mark. Electric furnaces can last slightly longer, sometimes up to 25 years.
How much does a furnace tune-up cost?
The cost of a tune-up can vary, but it is a small fraction of the cost of a major repair or replacement. Most tune-ups range between $89 and $150 depending on current specials and the depth of the inspection. Think of it as insurance for your heating system.
Can I perform furnace maintenance myself?
There are some tasks you can and should do, such as changing the air filter and keeping vents clear of obstructions. However, tasks like cleaning the blower motor, checking the heat exchanger for cracks, and measuring electrical voltage should always be performed by a licensed professional to ensure safety and warranty compliance.
What is the best temperature to set my thermostat in winter?
For the best balance of comfort and efficiency, the Department of Energy recommends setting your thermostat to 68°F while you are awake and setting it lower while you are asleep or away from home.