warm air... everything you need to know
Warming can be broken down into 3 areas:

Electric
Single or 3 phase, the quickest, quietest, simplest form of heating. No exhaust gases, smells or vapours: just safe, fume-free warmth. Ideal for locations including offices, shops, and homes, building sites, marquees, stores, garages and workshops. Not good for heating large areas.

Propane
Powerful, direct unmatched heating capacity. Creates fumes, can only be used in ventilated area. Ideal for events, factories, studios, any large area.

Kerosene
Direct and indirect fired, these highly efficient, compact, robust, fully portable heaters are ideal for places that need large volumes of warm air, such as factories, warehouses, sports halls, loading bays, farm buildings and construction sites or any area with permanent ventilation.