Air Filters Alberta
Furnace and commercial HVAC filters for homes, acreages, oilfield sites and businesses across Alberta – manufactured in Canada and shipped to every corner of the province.
- ✓ Made in Canada
- ✓ Custom sizes
- ✓ MERV 8 · 11 · 13
- ✓ No customs or duties

Air quality in Alberta
- Wildfire smoke
- Very dry winter air
- Chinook winds & dust
- Farm & grain dust
- Oil, gas & industrial sites
- Spring road gravel
Wildfire smoke has become the biggest air quality story in Alberta. The 2016 Horse River fire that swept into Fort McMurray, the record 2023 season that forced evacuations across the north and west, and the 2024 Jasper fire showed how quickly smoke can spread from the boreal forest and mountain parks to the cities. In bad years, Edmonton, Red Deer, Calgary and Grande Prairie have all spent days under smoke advisories. Most of that smoke is fine PM2.5 – exactly what a pleated MERV 13 filter is designed to help capture.
The rest of the year, Alberta's challenge is dust and dryness. Winters are long, cold and extremely dry, so fine dust stays airborne indoors and static builds on every surface. In the south, chinook winds pour down from the Rockies, raising temperatures quickly and whipping up dust from fields and roads. Across the province, spring melt turns months of road gravel and sand into grit, and harvest season fills the air in farm country with grain and chaff dust.
Industry also shapes local air. Oil sands operations around Fort McMurray, gas plants in the west-central region, the refineries and petrochemical plants of the Industrial Heartland near Edmonton, coal and gravel operations, and cattle feedlots in the south all contribute particles and odours to nearby communities. A good filter can't change what is outside, but it makes a real difference to the air your family breathes inside for eight months of closed windows.
Alberta climate, homes & HVAC systems
Alberta has a cold, continental climate with some of the sunniest skies in Canada. Heating season can run from September to May, and in the north it is longer still. Cold snaps well below minus 30 are normal, and chinooks in the south can swing temperatures by 20 degrees or more in a day. Summers are short and warm, and while many older homes never had air conditioning, central AC is now common in new builds and after recent heat waves.
The great majority of Alberta homes heat with natural gas forced-air furnaces. Post-war bungalows and 1970s–80s split-levels usually take 1-inch filters, while newer homes in Calgary, Edmonton and the growing commuter towns often have high-efficiency furnaces with 4- or 5-inch media cabinets, an HRV and a whole-home humidifier. On acreages and farms, propane furnaces and wood stoves are common, and shops, barns and garages often have their own heaters that need filters too.
MERV 11 for the long heating season, MERV 13 when smoke arrives
MERV 11 is the best everyday filter for most Alberta homes, catching the fine dust, pet dander and pollen that build up during months of closed windows. Switch to MERV 13 for wildfire season or if someone at home has asthma. Budget-conscious landlords can still protect furnaces with MERV 8.
Shop MERV 11 → Shop MERV 13 →Seasonal filter tips for Alberta
- Spring: Replace your filter after snowmelt, once the winter gravel on roads turns to dust.
- Summer: Keep a MERV 13 ready – smoke from northern and mountain fires can arrive with little warning.
- Fall: Fit a fresh filter in September; the first cold snap often comes earlier than expected.
- Winter: The furnace may run for months straight – check the filter monthly and keep the humidifier pad clean.
Which MERV rating is right for your Alberta home?
MERV (Minimum Efficiency Reporting Value) measures how well a filter captures particles of different sizes under the ASHRAE 52.2 test standard. Higher numbers catch smaller particles. Most residential furnaces in Canada run well on MERV 8 to MERV 13 – here is how to choose:
| Rating | What it captures | Best for |
|---|---|---|
| MERV 8 | Dust, lint, pollen, mould spores and larger particles (3–10 microns) | Budget-friendly everyday protection, rental units, new-build dust |
| MERV 11 | Everything MERV 8 does plus pet dander, fine dust and some smoke (1–3 microns) | Most family homes, pets, seasonal allergies |
| MERV 13 | Fine particles down to 0.3–1 micron, including much of the PM2.5 in wildfire smoke | Asthma, allergies, wildfire smoke, newborns and seniors |
Not sure? Read our complete MERV rating guide. If you are moving up to MERV 13 on an older furnace, a deeper 2-inch or 4-inch filter keeps airflow healthy.
Popular furnace filter sizes in Alberta
These sizes fit most Alberta furnaces. Many homes built since the 2000s have media cabinets that take 4-inch or 5-inch filters, and we make special sizes for older or unusual systems.
How often to change your furnace filter in Alberta
| Filter depth | Typical home | Pets, allergies or smoke |
|---|---|---|
| 1-inch | Every 1–3 months | Every 30–45 days |
| 2-inch | Every 3–4 months | Every 2 months |
| 4-inch | Every 6–9 months | Every 4–6 months |
| 5-inch | Every 9–12 months | Every 6 months |
With furnaces running almost non-stop from November to March, Alberta homes should check 1-inch filters monthly in winter and after every smoke event or long chinook wind. See the full filter changing guide.

Air filters for Alberta businesses & property managers
Alberta's commercial and industrial base is broad: hospitals and continuing care homes, school divisions, universities and colleges, office towers in Calgary and Edmonton, oil sands and gas processing facilities, work camps, refineries, food processors, grain terminals, feedlots and big-box retail. Many of these operate in dusty or remote conditions where filters load quickly and running out isn't an option.
We manufacture pleated, pocket, rigid cell, wire panel and V-bank filters, plus media pads and rolls, and ship them in bulk to facility managers, camp operators and HVAC contractors anywhere in Alberta. Ask about scheduled shipments and business pricing on our bulk orders page.
- Pleated filters in 1", 2" and 4" depths, MERV 8–13
- Pocket (bag) filters, rigid cell and V-bank filters for rooftop units and air handlers
- Wire panel, HEPA, carbon and media pads & rolls
- Volume pricing, scheduled deliveries and NET terms for approved business accounts
Shipping & delivery to Alberta
Orders to Alberta ship for $35 flat rate. Most orders arrive in 3–9 business days, with no customs or duties because everything ships from within Canada.
Standard sizes are usually made and shipped within 1–2 weeks; custom sizes can take up to 3 weeks. Prefer to collect? Free pickup is available Monday to Friday, 7:00 AM – 4:30 PM at 15 Melanie Drive, Brampton. Full details are on our shipping & returns page.
Why Alberta customers choose Canadian Air Filters

Cities and towns we serve in Alberta
Areas we deliver to across Alberta
Calgary · Edmonton · Red Deer · Lethbridge · Medicine Hat · Grande Prairie · Fort McMurray · Airdrie · St. Albert · Sherwood Park · Spruce Grove · Leduc · Okotoks · Cochrane · Canmore · Camrose · Brooks · Lloydminster · Cold Lake · Whitecourt
Nearby location pages: Ontario, Quebec, British Columbia, Manitoba, Nova Scotia, Saskatchewan, New Brunswick, Newfoundland and Labrador, Prince Edward Island, Yukon, Northwest Territories & Nunavut. Or see all locations we deliver to.
Alberta air filter FAQ
What MERV rating do Alberta homes need?
MERV 11 is a good all-round choice for Alberta's dry, dusty air and long heating season. Use MERV 13 during wildfire smoke or if someone at home has asthma or allergies, as long as your furnace is rated for it.
Do chinooks affect my furnace filter?
Chinook winds carry extra dust and grit, and big temperature swings make the furnace cycle on and off more. Check your filter after long windy stretches.
Does my humidifier affect my filter?
Many Alberta furnaces have a whole-home humidifier to fight dry winter air. Keep its pad clean and change your filter on schedule – a clogged filter cuts airflow to both the furnace and the humidifier.
How do I prepare for Alberta wildfire season?
Install a fresh MERV 13 filter in late spring, keep a spare, and run the furnace fan continuously with windows closed on smoky days. Our wildfire smoke guide has more tips.
Do you supply oilfield camps and industrial sites?
Yes. We ship commercial pleated, pocket, panel and V-bank filters plus media rolls in bulk to camps, plants and facilities across Alberta. Contact us through our bulk orders page.
What filter is best for an acreage or farmhouse?
MERV 11 handles field and grain dust well for most farmhouses. Check it monthly during seeding and harvest, and use a carbon pleated filter if livestock odours are a concern.
How much does shipping to Alberta cost?
Orders to Alberta ship for $35 flat rate. Most orders arrive in 3–9 business days, with no customs or duties because everything ships from within Canada.
Can you make custom-size filters for my Alberta home or building?
Yes. Because we manufacture in Brampton, we can build non-standard and custom sizes to order – usually within about 3 weeks. Use our custom filter form or email info@canadianairfilters.com with your dimensions and MERV rating.
Helpful air quality guides
Ready to breathe better in Alberta?
Made in Brampton · $35 flat rate · standard & custom sizes.