Keeping your AC or HVAC system in good condition for a long period of time begins with clean, well-fitted air filters. The right air filter must be used for your system to function properly since it not only traps particles and dust but also improves airflow and helps extend the system’s lifespan. Properly fitted filters guarantee that your HVAC unit is not affected by insufficient airflow, which can result in more costly repairs or even early replacement. Both commercial and residential HVAC systems share the same primary purpose which is to provide comfortable indoor temperatures and maintain air quality.
However, commercial systems are commonly designed to handle larger spaces, more complicated zones, and higher consumption needs than residential systems, which are designed for smaller, individual living spaces. This makes the need for the right filter size even more important in both settings, as each filter choice impacts efficiency, indoor air quality, and maintenance costs. While standard filters are available in common sizes and are frequently less expensive initially, they may not suit every system completely, which is where custom filters come in. Let’s find out whether custom-size air filters are worth the extra cost or if standard options can provide similar benefits.
Why Custom Air Filters?
Using the proper size air filter is essential for maintaining the efficiency of your HVAC system. A filter that doesn’t fit correctly, whether it’s too small or too big, fails to create an effective seal, allowing dust and allergens to bypass the filter and enter your indoor air. This can lead to several issues, including increased energy costs, more frequent repairs, and regular maintenance needs. Proper sizing not only protects your system but also enhances overall air quality in your home.
Custom-sized filters provide an ideal solution to these challenges, ensuring a perfect fit that maximises airflow and helps maintain a clean environment. When dirt accumulates due to improperly fitted filters, it can lead to clogged ducts, which promotes the growth of mould and bacteria, further endangering your family’s health. By investing in the right filter for your HVAC system, you not only extend its lifespan but also create a healthier living space for everyone in your home.
Signs that you might require a custom-sized air filter:
- The most obvious sign is that your air filter is not entirely covering your vent and duct opening.
- Either the filter is too tight or too loose for the space available.
- In the slot, the filter does not slide.
Difference Between Custom and Standard Size Air Filters
The primary difference between a custom AC-sized air filter and a standard-sized air filter is that standard filters are highly mass-produced and are widely available, while custom AC filters are produced on order. Custom filters are not usually found in stores because they are produced specifically for your AC or HVAC system. A custom filter may be needed if you cannot find a standard size that is within 5/8 of an inch of the dimensions of your air filter.
Standard-size air filters are designed for common HVAC units and can be easily located in retail stores. Some common standard air filter sizes include 16x20x1, 16x25x1, and 20x20x1. Typically, most AC and HVAC systems use a standard-sized air filter, but for others, customised air filters are necessary which can be ordered and installed.
To get the right-sized air filter for your needs, measure in inches the length, width, and depth of your existing filter. Air filter manufacturers classify their products with a rounded, standardised designation called a nominal size. The actual size, usually printed in fine print on the filter frame, is typically 0.25 to 0.5 inches less than the nominal size.
Benefits of Custom Size Air Filters
Since custom filters are built to meet your AC or HVAC specifications, here are some benefits of opting for custom-size air filters:
1. Improved Air Quality: A custom filter that is well-fitted leaves no room for particles to sneak in. For allergy and respiratory-sensitive individuals, having a custom filter can create a clean, fresh environment, significantly reducing the presence of dust and allergens. As a result, improving their health and comfort.
2. Increase Your HVAC’s Lifespan: An HVAC is one of the biggest investments you can make in your home. Right-size filters play an important part in protecting your investment. A good filter keeps dust and dirt from entering the system, thus extending the life of parts. Eventually, it will reduce repairs and lead to a longer life for your HVAC system.
3. Energy Efficiency: A custom filter can cause HVAC systems to function more efficiently. Air flows easily through a properly fitting filter, meaning the system does not have to work as hard. This can allow for lower energy bills to make up for the extra cost of the filter.
Cost Difference Between Custom and Standard Size Air Filters
The cost of a standard air filter varies depending on the filter type and its supplier, For instance, pleated filters are generally effective in capturing smaller particles and usually have a price range of $5 to $22. HEPA filters are on the higher end, they are considered great for catching finer particles and are mostly priced above $95. Custom filters are much pricier than standard sizes since they are manufactured specifically to fit certain dimensions and needs. Another consideration for a given air filter is the MERV (Minimum Efficiency Reporting Value) rating.
For most ordinary residential homes, A MERV rating of 6–8 is generally sufficient; however, for people with allergies and asthma, a higher MERV rating may be necessary. Additionally, remember that an air filter that is too efficient can restrict airflow, damaging the entire HVAC system, and also negatively affecting its lifespan. This balance between efficiency and system compatibility particularly comes into play in the decision over whether to use custom or standard-size filters, as the two options have different cost and efficiency considerations. Explore Complete Guide to Air Filters and discover everything you need to know for cleaner, healthier air!
Are Custom Size Air Filters Cost-Effective?
If you need a custom air filter, and wondering whether it is cost-effective or not? Let’s break down that decision process together:
First When you have an HVAC system requiring a specific size and shape, you will have very few choices but to make a custom filter. For houses requiring special air quality, a custom filter with a higher MERV rating can significantly improve air quality, creating a healthier environment. Moreover, if you really want to cut down energy costs while extending the life of your HVAC, then a custom filter should pay for itself through savings. Sometimes, a slight modification of the standard filter would do the trick if you are also on a tight budget. However, this likely won’t be as good, probably, as a truly custom fit. Ultimately, you can determine whether a custom air filter is the most effective option for your house by comparing your budget against your HVAC and air quality needs.
Situations Where Custom Filters Might Not Be Cost-Effective
While custom filters offer benefits, there are some notable disadvantages that can make them less cost-effective in some situations:
- Higher Costs
Higher Upfront Costs Custom filters have a significant upfront cost, which is particularly expensive. This makes things pretty unattractive for people looking at this product on a budget, as the added cost will send shivers down the road and make a custom filter seem like a luxury item rather than something needed.
- Longer Production and Delivery Periods
Production and delivery period custom filters often take a longer period lead time to manufacture and ship out than the regular filters. However, if you need one immediately as a replacement, a customised filter is not likely to be available at that point in time. Planning ahead is very important, However, it is difficult to follow an accurate replacement schedule. If you postpone replacing these filters, it can lead to reduced performance and higher energy costs.
How to Choose a Cost-Effective Custom Air Filter
1. Check the Fit: Does the filter fit your HVAC system properly? It’s important to have the custom filter size to work effectively. A filter that’s too big won’t fit at all, while one that’s too small will leave gaps, allowing dust and allergens to pass through. You can find the size on your current filter or measure the opening in your system to be sure.
2. Think About Buying in Bulk: You can also consider Buying custom air filter sizes in bulk. This can help you save money over time, as the cost per filter is usually lower when bought in larger quantities.
3. Consider Reusable Filters: Some custom filters can be cleaned and used multiple times, which can save you money in the long run, as long as you don’t mind a little maintenance.
4. MERV Rating Matters: Last but not least, look for filters with a MERV rating between 11 and 13. These offer a good balance between price and effectiveness. Higher MERV ratings will catch smaller particles, but consider if you really need that level of filtration for your situation.
So, Is It Worth It or Expensive?
So are custom-size air filters an affordable alternative or a costly expenditure? It really depends on the particular requirements of your space and its system. If you have a unique HVAC system, health considerations, or energy efficiency requirements, then custom filters are well worth it. They increase air quality, minimise HVAC wear and tear, and could even reduce energy expenses in the long term. But then again, if you’re on a tight budget and have no specific requirements for the quality of air in your space, standard filters or DIY alternatives would be perfectly fine. If you compare the cost against the initial cost, you will be able to make the best selection for your space, budget, and long-term HVAC requirements.
Frequently Asked Questions
Ever wonder what the HVAC filters in your home’s heating and cooling system do? Their primary function is to remove particles such as dust, pollen, and pet dander from the air you breathe. These particles are trapped in the filter, preventing them from circulating throughout your home, keeping the air cleaner and healthier.
How often should you actually change your filter? Well, it depends, you should inspect it once a month. Most manufacturers recommend replacing it every three months, however, this can vary depending on the filter type, how often you use it, and the quality of your home’s air. If your home is dusty or you have pets, you may want to replace it more frequently.
The return duct and the main air handler both have at least two air filters in most homes. You can always ask an expert for assistance in locating them if you’re not sure where they are.
Choosing a filter can be confusing, but a HEPA filter is worth considering. These high-efficiency filters can trap up to 99.97% of particles that are 0.3 microns or larger. They work by forcing air through a dense mesh that captures pollutants like pollen, pet dander, dust mites, and even tobacco smoke, making them ideal for achieving a cleaner home environment.
Custom filters are designed for specific needs that regular filters can’t meet. If your home has unique airflow requirements, a custom filter can help. It’s important to remember that not all filters are the same size, so a standard filter might not fit your system properly. Choosing a custom filter can improve air quality and efficiency, helping your HVAC system work better and last longer.