Unvented Portable Kerosene Heater
Moderate burden — Unvented Portable Kerosene Heater adds a moderate, reducible exposure.
Flueless kerosene or paraffin space heaters.
The breakdown
Each driver rated 0 (none) to 10 (worst)
Evidence strength: strong · Detox Score = 100 − hazard×4.6 − exposure×3.4 − persistence×2.6, clamped 1–100.
What this means for you
A Detox Score of 47 places unvented portable kerosene heater in the Moderate band. The chemical-hazard rating is what drives the score down. Any unvented combustion appliance puts its entire exhaust — nitrogen dioxide, carbon monoxide and fine particles — into the room it is heating. Vented or electric heating removes the combustion products from the indoor air entirely.
Frequently asked questions
Is unvented portable kerosene heater a toxic exposure?
Unvented Portable Kerosene Heater has a Detox Score of 47 out of 100 (Moderate burden), which means it adds a moderate, reducible exposure. Any unvented combustion appliance puts its entire exhaust — nitrogen dioxide, carbon monoxide and fine particles — into the room it is heating. Vented or electric heating removes the combustion products from the indoor air entirely.
What is a safer alternative to unvented portable kerosene heater?
A lower-exposure swap for unvented portable kerosene heater is: Vented heating, or electric heaters with a window cracked. Any unvented combustion appliance puts its entire exhaust — nitrogen dioxide, carbon monoxide and fine particles — into the room it is heating. Vented or electric heating removes the combustion products from the indoor air entirely.