Eng
Frh
0 item(s)
View cart
You have no items in your shopping cart.
31
Aug
Custom Size Furnace Filters: Stop Air Leaks and Start Breathing Better
Custom size furnace filters solve a problem almost every homeowner runs into at some point: your furnace filter doesn’t match anything you see on the shelf.
You try cramming in a “close enough” size, or worse, trimming one down with scissors. Both shortcuts reduce airflow, spread dust through your home, and put unnecessary strain on your HVAC system.
The better fix is simple: use a filter that fits your exact measurements so it keeps your furnace running efficiently.
Below, you’ll learn about odd size furnace filters, why cutting a filter never fixes the problem, and how you can order the exact size your system requires.
You’ll also find out how the right filter improves indoor air quality, lowers energy bills, and prevents expensive furnace repairs.
Here’s everything you need to know about custom size furnace filters.
Standard Filters Don’t Always Work: Here’s Why
Most homes use standard sizes, like 16x20x1 or 20x25x4, and replacements for those usually sit in stock at any hardware store.
But not every system follows the rulebook. Many homeowners run into problems when their furnace or AC needs odd size furnace filters that never show up on the shelf.
This issue often starts with the way manufacturers play with dimensions.
Some adjust the actual size just enough to push customers into buying their brand only. The numbers you’ll see on the frame don’t always tell the full story either.
A 16x25x1 filter may actually measure 15 ½ x 24 ½ x ¾, and that tiny difference can make a big mess.
Simplify your life and consider getting custom size furnace filters.
Can You Cut an Air Filter to Fit?
Many people ask, “Can furnace filters be cut to size?” The answer is no.
Cutting weakens the frame and media, so you’ll end up with gaps where dust, pollen, and mould spores pass through.
If you wonder, “Is it okay to cut an air filter?”, the safest response is still no. A filter must fit securely, or it won’t protect your air or your equipment.
The better solution is to order custom size furnace filters that match your exact dimensions. You get a durable filter that will trap particles without restricting airflow.
Making Custom Size Air Filters: What Does It Look Like?
Custom filters use the same high-quality pleated synthetic media as standard ones, but they match your exact measurements.
When you order, you provide both the nominal and actual size, and the filter will match your system perfectly.
That goes whether you need a pleated filter, an electrostatic option, a washable permanent model, or even a HEPA-level filter.
Every filter also comes with a MERV rating, which tells you how effectively it captures particles.
-
MERV 8 furnace filters work best for households that need basic protection. It handles dust, lint, and pollen, making it a solid choice for homes without pets or allergy concerns.
-
MERV 11 furnace filters give stronger defence by trapping smaller particles like pet dander, mould spores, and fine dust. It suits families with pets, young children, or anyone with mild allergies.
-
MERV 13 furnace filters offer the highest level of protection for residential systems. It captures bacteria, smoke, and very fine particles.
This level benefits households with asthma or severe allergies, or anyone who wants cleaner, healthier air.
Choosing the right MERV rating depends on your home’s needs. Higher ratings capture more, but they also filter more tightly.
Getting the exact size matters because your system will maintain strong airflow while still delivering the level of protection you want.
Do Furnace Filters Need to Be Exact Size?
Yes, custom size furnace filters should be accurate.
Even a half-inch gap allows dirty air to bypass the media and coat the blower and coils with debris. That buildup lowers efficiency, increases bills, and eventually damages the furnace.
In conclusion, if your filter doesn’t fit, don’t jam it in and hope for the best. Odd size furnace filters protect both indoor air and your HVAC system.
Benefits of Ordering Custom Furnace Filters Online
Ordering custom furnace filters online removes the stress of replacing your filter. Custom size furnace filters will help you skip wasted trips to the store, stop guessing at sizes, and prevent costly repairs.
-
Perfect fit: Go online, explore the best custom size air filters, and find one that matches your exact measurements. It should slide in smoothly and seal tightly. Expect to save a lot of money long-term.
-
Cleaner air: When it comes to custom size furnace filters, always remember that the proper dimensions capture allergens, pet hair, and dust before they spread through your home.
Your rooms stay fresher, surfaces collect less dust, and your family breathes easier.
-
Lower energy costs: Strong airflow keeps your furnace or AC running efficiently. When you invest in quality custom size air filters, you cut energy bills and extend the life of your HVAC.
-
Canadian quality: Canadian filters will arrive at your address faster, last longer, and support local manufacturing instead of cheap imports.
Often, you'll also find discount furnace filters in Canada that allow you to save even more money without compromising quality.
Custom furnace filters in Canada give you the exact size, reliable quality, and confidence that your home stays comfortable and protected.
How to Order the Right Odd Size Furnace Filters?
Here are five easy steps you can take today to get the correct custom size filter every time.
Step 1: Measure carefully.
The first step to order the correct custom size furnace filters is to take out your old filter and measure the length, width, and depth of the slot where it fits.
We always suggest writing down the numbers so you don’t have to go back and measure them later.
Step 2: Confirm the size.
Check both the nominal size (the one on the filter) and the actual size (the true measurements you just took).
Even a half-inch difference matters when it comes to custom size furnace filters. So, make sure you have the right size before you place an order.
Step 3: Pick your MERV rating.
Decide how much filtration your home needs. Keep in mind that MERV 8 can handle basic dust and pollen, while MERV 11 adds protection against pet dander and mould.
MERV 13 furnace filters can capture smoke and bacteria.
Step 4: Place your order.
Order custom size furnace filters online or call (905) 403-0160. You can easily choose the exact size and MERV rating that match your system.
Step 5: Stay stocked.
Take advantage of fast shipping across Canada and the USA, and consider a subscription so you always have the right filter on hand.
A Homeowner Experience
Always learn about previous customer experiences before you order products, such as odd size furnace filters. These customer reviews will give you insight into what YOU may expect from your order.
Here’s a short story about one of our previous customers from Winnipeg who struggled with constant pet hair in the air. Their golden retriever shed heavily, and no store carried the unusual 14.5x23x2 filter their furnace needed.
They tried buying close sizes, but gaps around the edges let dust and dander circulate through the house. Their kids developed sneezing fits every spring, and vacuuming never seemed to make a difference.
When they finally ordered custom MERV 11 furnace filters that fit properly, the change was noticeable within a few days.
Airflow improved, surfaces stayed cleaner longer, and their children’s allergy symptoms eased. The family told us it felt like the house had a fresh start.
Where to Buy Custom Size Furnace Filters in Canada?
You can buy custom size furnace filters directly from United Filter, one of the few companies in Canada that specializes in building filters to exact measurements.
Unlike OEM brands such as Honeywell or Filtrete, these Canadian-made aftermarket filters give you the same high quality at a lower cost.
Ordering through United Filter also means you deal with a team that understands the difference between nominal and actual sizes, so you get the right fit the first time.
If you’re interested, get in touch for the best air filters for furnace affordably.
FAQ
What should I do if my furnace filter doesn’t fit?
Stop forcing it into place. Measure both the nominal and actual dimensions, then order a custom size furnace filter that matches exactly.
Is it okay to cut an air filter?
No. An air filter must fit snugly to block particles. Cutting compromises strength and efficiency.
What if I can’t find my furnace filter size?
If you can’t find your size in stores, order a custom size air filter online. Manufacturers often make non-standard dimensions, and a custom filter ensures the correct fit.
What if my furnace filter size is not standard?
If your size isn’t standard, request a odd size furnace filters. A custom filter gives you the right dimensions, proper airflow, and full protection for your HVAC system.
Are there any furnace filters made in Canada?
Yes. United Filter manufactures custom size furnace filters in Canada and uses high-quality materials.
Conclusion: Custom Size Furnace Filters That Protect Your Home
Cutting a filter to size may look like an easy fix, but it weakens your HVAC system and lowers the quality of the air you breathe.
Custom size furnace filters seal properly and deliver the clean airflow your home needs.
The right fit saves money on energy bills, reduces dust and allergens, and prevents expensive furnace repairs down the road.
Homeowners across Canada already use custom filters to keep their systems running smoothly, and you can do the same.
Instead of forcing the wrong filter into place, order odd size furnace filters. United Filter makes it simple to get reliable, Canadian-made filters that fit right the first time and keep your home comfortable year-round.
Custom Size Furnace Filters: Stop Air Leaks and Start Breathing Better
Custom size furnace filters solve a problem almost every homeowner runs into at some point: your furnace filter doesn’t match anything you see on the shelf.
You try cramming in a “close enough” size, or worse, trimming one down with scissors. Both shortcuts reduce airflow, spread dust through your home, and put unnecessary strain on your HVAC system.
The better fix is simple: use a filter that fits your exact measurements so it keeps your furnace running efficiently.
Below, you’ll learn about odd size furnace filters, why cutting a filter never fixes the problem, and how you can order the exact size your system requires.
You’ll also find out how the right filter improves indoor air quality, lowers energy bills, and prevents expensive furnace repairs.
Here’s everything you need to know about custom size furnace filters.
Standard Filters Don’t Always Work: Here’s Why
Most homes use standard sizes, like 16x20x1 or 20x25x4, and replacements for those usually sit in stock at any hardware store.
But not every system follows the rulebook. Many homeowners run into problems when their furnace or AC needs odd size furnace filters that never show up on the shelf.
This issue often starts with the way manufacturers play with dimensions.
Some adjust the actual size just enough to push customers into buying their brand only. The numbers you’ll see on the frame don’t always tell the full story either.
A 16x25x1 filter may actually measure 15 ½ x 24 ½ x ¾, and that tiny difference can make a big mess.
Simplify your life and consider getting custom size furnace filters.
Can You Cut an Air Filter to Fit?
Many people ask, “Can furnace filters be cut to size?” The answer is no.
Cutting weakens the frame and media, so you’ll end up with gaps where dust, pollen, and mould spores pass through.
If you wonder, “Is it okay to cut an air filter?”, the safest response is still no. A filter must fit securely, or it won’t protect your air or your equipment.
The better solution is to order custom size furnace filters that match your exact dimensions. You get a durable filter that will trap particles without restricting airflow.
Making Custom Size Air Filters: What Does It Look Like?
Custom filters use the same high-quality pleated synthetic media as standard ones, but they match your exact measurements.
When you order, you provide both the nominal and actual size, and the filter will match your system perfectly.
That goes whether you need a pleated filter, an electrostatic option, a washable permanent model, or even a HEPA-level filter.
Every filter also comes with a MERV rating, which tells you how effectively it captures particles.
-
MERV 8 furnace filters work best for households that need basic protection. It handles dust, lint, and pollen, making it a solid choice for homes without pets or allergy concerns.
-
MERV 11 furnace filters give stronger defence by trapping smaller particles like pet dander, mould spores, and fine dust. It suits families with pets, young children, or anyone with mild allergies.
-
MERV 13 furnace filters offer the highest level of protection for residential systems. It captures bacteria, smoke, and very fine particles.
This level benefits households with asthma or severe allergies, or anyone who wants cleaner, healthier air.
Choosing the right MERV rating depends on your home’s needs. Higher ratings capture more, but they also filter more tightly.
Getting the exact size matters because your system will maintain strong airflow while still delivering the level of protection you want.
Do Furnace Filters Need to Be Exact Size?
Yes, custom size furnace filters should be accurate.
Even a half-inch gap allows dirty air to bypass the media and coat the blower and coils with debris. That buildup lowers efficiency, increases bills, and eventually damages the furnace.
In conclusion, if your filter doesn’t fit, don’t jam it in and hope for the best. Odd size furnace filters protect both indoor air and your HVAC system.
Benefits of Ordering Custom Furnace Filters Online
Ordering custom furnace filters online removes the stress of replacing your filter. Custom size furnace filters will help you skip wasted trips to the store, stop guessing at sizes, and prevent costly repairs.
-
Perfect fit: Go online, explore the best custom size air filters, and find one that matches your exact measurements. It should slide in smoothly and seal tightly. Expect to save a lot of money long-term.
-
Cleaner air: When it comes to custom size furnace filters, always remember that the proper dimensions capture allergens, pet hair, and dust before they spread through your home.
Your rooms stay fresher, surfaces collect less dust, and your family breathes easier.
-
Lower energy costs: Strong airflow keeps your furnace or AC running efficiently. When you invest in quality custom size air filters, you cut energy bills and extend the life of your HVAC.
-
Canadian quality: Canadian filters will arrive at your address faster, last longer, and support local manufacturing instead of cheap imports.
Often, you'll also find discount furnace filters in Canada that allow you to save even more money without compromising quality.
Custom furnace filters in Canada give you the exact size, reliable quality, and confidence that your home stays comfortable and protected.
How to Order the Right Odd Size Furnace Filters?
Here are five easy steps you can take today to get the correct custom size filter every time.
Step 1: Measure carefully.
The first step to order the correct custom size furnace filters is to take out your old filter and measure the length, width, and depth of the slot where it fits.
We always suggest writing down the numbers so you don’t have to go back and measure them later.
Step 2: Confirm the size.
Check both the nominal size (the one on the filter) and the actual size (the true measurements you just took).
Even a half-inch difference matters when it comes to custom size furnace filters. So, make sure you have the right size before you place an order.
Step 3: Pick your MERV rating.
Decide how much filtration your home needs. Keep in mind that MERV 8 can handle basic dust and pollen, while MERV 11 adds protection against pet dander and mould.
MERV 13 furnace filters can capture smoke and bacteria.
Step 4: Place your order.
Order custom size furnace filters online or call (905) 403-0160. You can easily choose the exact size and MERV rating that match your system.
Step 5: Stay stocked.
Take advantage of fast shipping across Canada and the USA, and consider a subscription so you always have the right filter on hand.
A Homeowner Experience
Always learn about previous customer experiences before you order products, such as odd size furnace filters. These customer reviews will give you insight into what YOU may expect from your order.
Here’s a short story about one of our previous customers from Winnipeg who struggled with constant pet hair in the air. Their golden retriever shed heavily, and no store carried the unusual 14.5x23x2 filter their furnace needed.
They tried buying close sizes, but gaps around the edges let dust and dander circulate through the house. Their kids developed sneezing fits every spring, and vacuuming never seemed to make a difference.
When they finally ordered custom MERV 11 furnace filters that fit properly, the change was noticeable within a few days.
Airflow improved, surfaces stayed cleaner longer, and their children’s allergy symptoms eased. The family told us it felt like the house had a fresh start.
Where to Buy Custom Size Furnace Filters in Canada?
You can buy custom size furnace filters directly from United Filter, one of the few companies in Canada that specializes in building filters to exact measurements.
Unlike OEM brands such as Honeywell or Filtrete, these Canadian-made aftermarket filters give you the same high quality at a lower cost.
Ordering through United Filter also means you deal with a team that understands the difference between nominal and actual sizes, so you get the right fit the first time.
If you’re interested, get in touch for the best air filters for furnace affordably.
FAQ
What should I do if my furnace filter doesn’t fit?
Stop forcing it into place. Measure both the nominal and actual dimensions, then order a custom size furnace filter that matches exactly.
Is it okay to cut an air filter?
No. An air filter must fit snugly to block particles. Cutting compromises strength and efficiency.
What if I can’t find my furnace filter size?
If you can’t find your size in stores, order a custom size air filter online. Manufacturers often make non-standard dimensions, and a custom filter ensures the correct fit.
What if my furnace filter size is not standard?
If your size isn’t standard, request a odd size furnace filters. A custom filter gives you the right dimensions, proper airflow, and full protection for your HVAC system.
Are there any furnace filters made in Canada?
Yes. United Filter manufactures custom size furnace filters in Canada and uses high-quality materials.
Conclusion: Custom Size Furnace Filters That Protect Your Home
Cutting a filter to size may look like an easy fix, but it weakens your HVAC system and lowers the quality of the air you breathe.
Custom size furnace filters seal properly and deliver the clean airflow your home needs.
The right fit saves money on energy bills, reduces dust and allergens, and prevents expensive furnace repairs down the road.
Homeowners across Canada already use custom filters to keep their systems running smoothly, and you can do the same.
Instead of forcing the wrong filter into place, order odd size furnace filters. United Filter makes it simple to get reliable, Canadian-made filters that fit right the first time and keep your home comfortable year-round.
Vee Popat
