Air Filters Quebec City

Air quality in Quebec City

• Long heating season
• Wood stove smoke
• Port & industrial dust
• Heritage renovation dust
• Wildfire smoke
• Spring grit & sand

Quebec City sits on a cliff above the narrowing Saint Lawrence, and its weather is famously wintry – it is one of the snowiest major cities in Canada. That long winter shapes indoor air more than anything else. Homes stay closed up from October to April, so household dust, cooking particles and pet dander keep recirculating, and the furnace or heat pump fan runs nearly nonstop. In the suburbs and countryside around the city – Charlesbourg, Stoneham, the Île d'Orléans, the Côte-de-Beaupré – wood stoves are still common, and their smoke can settle over valleys on still, frigid nights.

The lower town has an industrial side too. The Port of Quebec handles bulk cargo next to the Limoilou and Beauport neighbourhoods, where dust from port operations has long been a concern for residents, and a paper mill still operates along the Saint-Charles River. Across the river in Lévis, a large oil refinery and the busy Highway 20 corridor add to the regional mix, as do the Autoroute Félix-Leclerc, the Laurentienne and the Henri-IV through the city itself.

When the snow finally melts, months of road sand and grit dry out and blow around, which is why spring can be surprisingly dusty here. Tree pollen follows quickly, and in summer, smoke from boreal wildfires to the north – as in 2023 – can drift over the city. A good pleated filter is the simplest way to keep all of that out of your living space.

Quebec City climate, homes & HVAC systems

Quebec City has a cold, snowy humid continental climate, with winters that start earlier and last longer than in Montreal and short, pleasant summers that can still get humid near the river. Heating dominates the year, so filters do most of their work between October and April, and summer cooling is lighter but growing as more households add heat pumps.

The housing stock spans four centuries. Inside the walls of Old Quebec and in Saint-Jean-Baptiste and Saint-Roch, stone and brick row houses have been retrofitted with ducted heat pumps or small air handlers, often squeezed into tight spaces with non-standard filter slots. Sainte-Foy, Charlesbourg and Beauport are full of post-war bungalows and split-levels with electric or dual-energy forced-air systems, while newer subdivisions in Lebourgneuf, Val-Bélair and Lévis feature tight, modern homes with heat pumps and air exchangers that need regular filter changes.

Which MERV rating is right for your Quebec City 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:

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 Quebec City

These sizes fit most Quebec City furnaces and air handlers. Retrofits in Old Quebec and older row houses often need special sizes, and many electric furnaces use 5-inch media filters.

How often to change your furnace filter in Quebec City

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 seven months of heating, Quebec City filters work harder than average – plan on changing 1-inch filters at least every two months through the winter. See the full filter changing guide.

Air filters for Quebec City businesses & property managers

As the provincial capital, Quebec City is home to large government office complexes, Université Laval, the CHU de Québec hospitals, CHSLDs, cegeps, hotels and restaurants that serve millions of visitors, plus manufacturers and warehouses in the industrial parks of Lebourgneuf and Lévis. All of them rely on air handlers and rooftop units that need clean filters to protect occupants and equipment.

We supply facility managers and HVAC contractors in the Capitale-Nationale with pleated, pocket, rigid cell and V-bank filters, including the odd sizes found in heritage buildings. Open a business account for volume pricing and scheduled shipments.

• 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 Quebec City

Orders to Quebec City ship for $35 on orders under $250 · $60 on orders $250+. 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.

Areas we deliver to in Quebec City

Vieux-Québec · Saint-Roch · Saint-Jean-Baptiste · Montcalm · Limoilou · Saint-Sauveur · Sainte-Foy · Sillery · Cap-Rouge · Charlesbourg · Beauport · Lebourgneuf · Les Saules · Val-Bélair · L'Ancienne-Lorette · Lévis · Stoneham · Boischatel · Île d'Orléans · Saint-Augustin-de-Desmaures

Nearby location pages: Quebec, Montreal, Laval, Gatineau. Or see all locations we deliver to.

Quebec City air filter FAQ

Helpful air quality guides