Indoor air quality · Learn
Indoor air quality for GTA homes — humidity, filtration & ventilation
Ontario's climate throws the full range at homeowners — dry, static winter air one week and 30 °C / 80% humidity the next. This cluster explains what healthy indoor air actually looks like and which filtration and ventilation choices are worth the money.
Articles in this cluster
2 guides for indoor air quality in the GTA
Learn
Humidity in GTA homes — what healthy looks like
The 30-50% relative-humidity target range, why Toronto winters go dry and Toronto summers go damp, and how humidifiers, dehumidifiers, HRVs, and ERVs solve each problem.
Read guideLearnHEPA vs MERV vs UV — what actually cleans the air
MERV filters, true HEPA, media cabinets, UV lamps, and electronic air cleaners compared — what actually cleans a GTA home's air and what's marketing.
Read guideTalk to Metroheat