How to Score Air Purifiers Before Buying

Score Any Air Purifier Before You Buy | Ruvalina
CHECKLIST · CANADA

Score any air purifier before you buy

Five things to check on the spec sheet of any purifier you're considering. Most fail at least two.

By the Ruvalina team · May 2026 · 2 min read

Air purifier marketing has gotten very good. Spec sheets have not. The same brand that tells you a unit "covers 2,800 sq ft" often won't say at how many air changes per hour, what HEPA grade is inside, or how many decibels it actually produces in the room.

Open the spec sheet of any purifier you're considering and run it through the five checks below. Tick each item it passes. The score at the bottom updates as you go.

INTERACTIVE · CHECKLIST

Score any purifier before you buy

Tick each item the purifier passes.

HEPA grade is specified. "HEPA-type" or "HEPA-grade" without a classification number is not true H13.
CADR is published along with the ACH at which the coverage area is calculated.
Ioniser is ozone-free certified (with documentation, not just a marketing claim) or there's no ioniser at all.
Replacement filter is priced and available in Canada. Imported-only filters mean delays and customs fees.
Noise level is given in decibels at the lowest setting. Not "whisper-quiet" an actual dB number under 30.

This purifier scores:

0 / 5

Tick the items above to see the verdict.

Awaiting input

A score of 5 doesn't guarantee a perfect purifier. It means the manufacturer is publishing the numbers most brands hide which is the single best signal you have before reading reviews. A score of 2 or below means the spec sheet itself is the warning.

RUVALINA

We make a HEPA H13 purifier designed for Canadian homes

True H13 filtration, published CADR at 5 ACH, ozone-free ioniser, replacement filters, sub-30 dB Sleep Mode.

View the product at ruvalina.com →
Free 60-day returns Canada-wide
More tools in this guide
Standard HEPA vs HEPA H13: what's the difference? What CADR does your room actually need? One air purifier, or two? A 30-second check