9 min read · Living Spaces
Why condo air is different
- Sealed glass towers rely on mechanical ventilation rather than open windows.
- Corridor pressurization pushes hallway air under unit doors – along with cooking and smoke odours from neighbours.
- Small units concentrate cooking fumes, humidity and VOCs.
- Fan coils and heat pumps in each suite have their own small filters that are easy to forget.
Know your system
Most Canadian condos use one of these:
- Fan coil unit – usually in a closet or ceiling, with a thin filter (often 1") behind a grille.
- Suite heat pump – similar, with a filter slot on the unit.
- Forced-air furnace – more common in townhouse-style condos.
- ERV/HRV – supplies fresh air; has its own filters to clean or replace.
Check your building's maintenance guide or ask management who replaces in-suite filters – sometimes the corporation does it annually, sometimes owners are responsible. Many condo units use non-standard sizes; we make custom sizes in Brampton.
Practical fixes
- Upgrade the in-suite filter to MERV 8–11 if the unit allows, and change it every 2–3 months.
- Weatherstrip the suite entry door to cut hallway odours (check your building's fire-door rules first).
- Use the range hood and bathroom fan every time; let them run 15–20 minutes after.
- A carbon filter helps with neighbours' cooking and smoke smells.
- Portable HEPA purifier for the bedroom.
- Watch winter condensation on windows – keep humidity at 30–45% to prevent mould.
For property managers
Building-wide filter programs cut complaints and protect equipment. Tracking every suite's size and change date, and buying in volume, saves real money. Our business accounts offer volume discounts, NET terms and scheduled deliveries for multi-unit buildings.
Managing a building? Request a bulk quote for every suite, including custom sizes made in Brampton, Ontario.