Hair spray, glues, cleaning agents and other types of products can produce fumes that can be changed when drawn into the heater while it is in operation. Try airing out the room to see if the smells go away. Dust, pet hair- unit needs to be cleaned. Log is touching flame

The room needs more ventilation or air circulation. The process of burning propane also produces water vapor.

The elevation limit is 4500 ft. Nuisance pilot outages may occur beyond this elevation.

Yes, you will need a two-stage, low-pressure, adjustable regulator for the tank. The internal regulator is only for the pilot and controls the flame on/off. We recommend consulting a qualified installer to determine the correct external regulator. For Propane use only-consult tech 

Vent-free heaters have two safety features: a thermocouple that closes the gas valve if no flame is sensed, and an ODS (Oxygen Depletion Sensor) that shuts the heater down if oxygen levels fall below 18%.

For propane heaters, the correct pressure is 11–14 inches W.C. (approximately 1/2 PSI). For natural gas heaters, it is typically 6–9 inches W.C.

No, these heaters are designed as supplemental heat sources and not for continuous operation or unattended use. They’re best used during emergencies or short periods.

No, vent-free heaters are not approved for sale in California or Canada due to indoor gas heating restrictions. Always check local codes before purchase.