Smelly Heat Pump? 5 Expert Tips to Banish the Odor

Hey there, Richmond and Tasman neighbors! If you’ve ever switched on your heat pump only to be greeted by a musty, "wet dog" smell, you’re not alone. In our damp South Island climate—from the coastal breeze in Mapua to the cooler mornings in Wakefield—heat pumps work hard, and sometimes they start to smell. A funky odor isn’t just annoying; it’s a sign your unit needs a bit of TLC. Whether you're in Richmond, Brightwater, or Hope, here are five pro tips to keep your air fresh and your home healthy.

1. Clean Your Filters Every 3 Months

Strange odours from your heat pump often signal mould, trapped allergens, or bacteria buildup. Learn what causes these smells, how they affect your indoor air quality, and what professional deep cleaning can do to restore fresh, healthy air in your home.