10 Best furnace filters in Canada

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Last Updated - 2025/10/01

Best Choice

01
Healthy Climate

Lennox Healthy Climate 16x25x5 X6670 MERV 11 Filter-Actual Size 15 3/4" x 24 3/4" x 4 3/8". Pack of 3.

9.9 Easy installation

9.9 Precision

9.7 worth the money
Main highlights

Replaces Honeywell FC35A1001, FC100A1029, FC200E1029
Replaces EXPXXFIL0016, EXPXXUNV0016, EXPXXLMC0016, FILCCCAR0016, FILBBCAR0016
Nominal Size: 16 inch x 25 inch x 5 inch
Genuine Lennox Replacement Filter, MERV 11, Replaces X6670 for Lennox Model HCF16-10, HCC16-28
Actual Size:15 3/4 inch x 24 3/4 inch x 4 3/8 inch
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9.8

Exceptional

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02
electro-air

Five Seasons M1-1056 Replacement MERV 11 Premium Box Furnace Filter for Air Cleaner Purification Systems, 1400 CFM, 25.5 x 5.25 x 15.38" (3 Pack)
Main highlights

Genuine Electro-Air Part # M1-1056 Size 15 3/8 x 25 1/2 x 5 1/4 MERV 11 Case of 3
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9.6

Exceptional

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Value for Money

03
Filtrete

Filtrete 16x25x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

14% Off Free Shipping

9.9 Simple to use

9.5 Easy installation

9.5 Easy to build
Main highlights

VERSATILE USES: Works for changing the home air filters in your furnace, air conditioner/heating system or HVAC system
MAKE YOUR HOME YOUR SANCTUARY: 6-pack of 3-month pleated Filtrete 16x25x1 MPR 300 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
EXCLUSIVE TECHNOLOGY: Air filter designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles to make air cleaner as it flows through
DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 15.69 x 24.69 x 0.81
COUNTLESS PARTICLES: With a 300 MPR and MERV 5 rating, your Filtrete Filter will help capture many particles from the air passing through it
CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
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9.4

Excellent

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04
Filtrete

Filtrete 16x25x1 Furnace Filter, MPR 1500, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters, 2 Filters

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9.9 Easy installation

9.9 Durability

9.1 worth the money
Main highlights

VERSATILE USES: Works for changing the home air filters in your furnace, air conditioner/heating system or HVAC system; for optimal performance, change your filter at least once every 90 days
MAKE YOUR HOME YOUR SANCTUARY: 2-pack of 3-month pleated 1” Filtrete 16x25x1 MPR 1500 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
EXCLUSIVE TECHNOLOGY: Air filter designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 15.69 x 24.69 x 0.78
COUNTLESS MICROPARTICLES: With a 1500 MPR and MERV 12 rating, as well as a 54% small particle capture rate (1), your Filtrete Filter will help capture many microparticles from the air passing through it
CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air to make the air cleaner
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9.2

Excellent

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05
Filtrete

Filtrete 16x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 15.69 x 24.69 x 0.81 in)

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Main highlights

washable and non-electrostatic pleated 1" filters
Outperforms fiberglass
Lasts up to 3 months
Carries a 1000 Microparticle Performance Rating (MPR)
Attracts and captures microscopic particles like smoke and smog and large allergens like mold spores and pollen from the air passing through the filter
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9.0

Excellent

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06
AirPurete

M1-1056, AMP M1-1056 Replacement Filter | AirPurete AP- M116255 | Actual Size 15 3/8" x 25 1/2" x 5 1/4" (16x25x5) | Pack of 3 | Compatible with Reliance Smart Air | Manufactured in Canada

9.9 Easy installation

9.9 Precision

9.5 worth the money
Main highlights

Nominal Size: 16x25x5
MERV 11 high capacity and efficiency filter (comparable with MPR 1000 - 1200 & FPR 7) protects homes from pollen, dust, and lint by trapping 95% of airborne particles without impacting air flow.
Compatible with M1-1056, AMP M1-1056 and Reliance Smart Air furnace.
AirPurete filters are manufactured and assembled in Canada.
Actual Size: 15-3/8" x 25-1/2" x 5-1/4" | 15.38 x 25.50 x 5.25 Inches
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8.9

Very Good

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07
PleatMate Furnace Filters

16x25x1 MERV 8 Case of 6 Pleated Furnace & A/C Air Filter. Made in Canada by FurnaceFilters.Ca
Main highlights

Standard 16 x 25 x 1 Pleated Filters manufactured by PleatMate Furnace Filters in Canada
MERV 8 Rated
Compare to 3M Filtrete 1000 MPR (Mirco Particle Rating)
Case of 6
Actual / Exact Size : 15-1/2" x 24-1/2" x 3/4"
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8.7

Very Good

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08
PleatMate Furnace Filters

16x25x4 (3 5/8") MERV 8 Pleated Furnace Filter. Actual/Exact Size 15-1/2" x 24-1/2" x 3 5/8". Case of 4 Made in Canada by PleatMate Furnace Filters

9.9 Easy installation

9.5 worth the money
Main highlights

NOT COMPATIBLE WITH HONEYWELL 16x25x4 - FC100A1029 FILTER
MERV 8 Rated
Case of 4
Actual Size : 15-1/2" x 24-1/2" x 3-5/8"
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8.6

Very Good

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09
PleatMate Furnace Filters

M1-1056 MERV 11 | AMP M1-1056 Generic Replacement Filter. Actual Size 15 3/8" x 25 1/2" x 5 1/4". Case of 3 Manufactured in Canada by Furnace Filters.Ca

9.9 Easy installation

9.7 worth the money

9.5 Long life
Main highlights

Up to 1400 CFM Capacity
Made in Canada by FurnaceFIlters.Ca under PleatMate Brand
MERV 11 Rating
M1-1056 Exact Filter Size 15 3/8" x 25 1/2" x 5 1/4".
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8.3

Good

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10
Filtrete

Filtrete 16x25x1 AC Furnace Air Filter, MPR 700, MERV 8, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.68 x 24.56 x 0.78 in)

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Main highlights

The higher the MPR, the more microparticles - such as pollen, pet dander and smoke - your filter will capture from the air passing through it
OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. air filters for your furnace, air conditioner or HVAC system
FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters
A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy.
#1 Recommended Brand* (*Filtrete Brand is the most recommended brand of HVAC Air Filters based on the US Filtrete Brand Health Tracker, Ipsos, June 2022)
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8.1

Good

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