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Furnace Filter Replacement

Are your energy bills higher than usual? Is it getting expensive to clean indoor air? Does your home have crawl spaces that haven’t been cleaned in ages? Did your home smell musty when you turned your furnace on for the first time this year?

If you answered yes to any or all of these questions, then the chances are that you’ve been negligent about replacing your furnace filter on a regular basis.

We have compiled a comprehensive guide helping Vancouver residents replace their filters in order to have an efficient HVAC system. Keep reading to find out how furnace filters keep up the air quality while reducing energy bills.

So, what’s the big deal with furnace filters?

Furnace Filters For Vancouver Homes – How Do They Work?

Vancouver WA – a city with varying temperatures throughout the year, where summers are short and partly cloudy, and winters are long, wet, extremely cold, and mostly cloudy. This erratic temperature results in wear and tear of your furnace filter.

Homeowners in Vancouver want to keep their homes warm, comfy, and breathable for their families and loved ones, especially during the cold winter nights. But they often ignore the timely upkeep of HVAC units and forget all about the furnace filters until things go wrong.

Furnace filters are invaluable for keeping your home’s heating and AC system operating smoothly. The furnace filter traps airborne contaminants in order to circulate clean air throughout your home while maintaining the temperature of your rooms. The key function of a furnace filter is to protect the blower fan from toxins, hair, pollen, dust, and other gunk being pulled by return ducts. Without the filter, debris and dust could accumulate in your HVAC system, which in return impacts your energy bills.

It’s a misconception that its job is to clean indoor air rather, it removes contaminants from being recirculated, which in return improves the quality of the air.

furnace filters; furnace filter replacement; how often to replace furnace filter

Replace Air Filters Regularly For A Functioning HVAC

Regularly cleaning and replacing your air filters could extend the life of your HVAC system.

Besides this, using a clean air filter efficiently removes pollen, dust particles, and pathogens from the air, circulating cleaner and healthier air within the home. Adults and children suffering from allergies, asthma, and other respiratory diseases must always have clean filters in their HVAC to keep health issues at bay.

Additionally, clogged furnace filters are bad for health and also damage the HVAC as dirt particles can clog the system. As a result, it ends up overheating and malfunctioning.

Finally, when the furnace filters get filled with dirt, the HVAC system ends us consuming 15% more energy. According to recent Environics Research, 78% of household owners are looking for ways to save energy and neglect their HVAC system.

According to another report by Energy and Buildings, the filtration efficiency, particulate concentration, and cost of electricity have the most considerable effect on operating an HVAC system.

Furnace Filter Replacement

When To Replace A Furnace Filter For Optimum Functioning

As apparent from the above points, it’s crucial to replace furnace filters regularly to ensure the performance and efficiency of your HVAC units. The frequency of furnace filters replacement service varies from one home to home and from season to season.

But the truth is, you need to change your filters whenever it gets clogged with dirt. Remember, your home shows signs and clues when it’s time to change the furnace filters. Fortunately, changing furnaces doesn’t depend on guesswork, the filter’s manufacturer provides recommended replacement frequency.

The size of the furnace mattes where thicker filters have more room to collect contaminants, needing less frequent replacement. Here’s the general rule of thumb:

  • 1–2-inch filters require replacement every 1-3 months
  • 3–4-inch furnace filters require replacement every 6-9 months
  • 5–6-inch filters need to be replaced every 9-12 months

Always keep one replacement filter on hand and call for furnace maintenance at least once every month.

Furnace Thickness Matters (MERV)

When it comes to furnace filters, they are rated according to how finely they can filter the air. This is demonstrated through MERV (Minimum Efficiency Reporting Value) rating. The range is between 1 to 16, where 1 is the most porous and 16 is the finest.

Higher rated filters allow less air to flow through, forcing your HVAC heating unit to work harder, which might result in malfunctioning.

These furnace filters can filter a wide variety of airborne particles while protecting the HVAC system components. Also, filter efficiency has an impact, the higher the MERV rating, the better. For most homes, a MERV rating of 8 -12 is advisable.

furnace filters; furnace filter replacement; how often to replace furnace filter

Stay On Top Of Your HVAC Filter Game

Once you know what size and MERV rating you require for your home, it’s time to replace the old filter. Remember when your furniture starts to get dusty fast, and the furnace runs more than usual; it’s a sign that it’s time to call for professional help. Take a look at the filter, and if you notice it looks dirty and is covered in lint and dust, then it’s time to change it.

Why Choose Miller’s Heating Vancouver, WA?

Bear in mind, no two homes are the same, so regardless of the guidelines discussed above, you might end up changing or replacing your furnace filter more often than your neighbor. Remember, the reasons for changing the furnace filter vary significantly. Look for clues within your home for the right time to get a new filter.

Sounds simple? But in reality, there are so many things that can go wrong and end up damaging your furnace than doing good.

At the end of the day if you have questions about furnace filters, you should contact an HVAC professional. And what better than Miller’s Heating – the leading furnace service provider in Vancouver, WA. Here at Miller’s, we only have one commitment, and that’s you. We don’t cut corners no matter the time or hour of the day whether it’s HVAC system maintenance or a new system keeping your home comfortable all year round requires some maintenance. If you have questions about your system and feel like you need a service call, please give us a ring at  360-695-6500 or visit our website

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