|
Floor Size Heating Ability |
Room with poor insulation, temperate/mild weather |
Room with poor insulation, cold weather |
Room with avg. insulation, temperate/mild weather |
Room with avg. insulation, cold weather |
Tent with no insulation, cold weather |
| Trekker | 144-400 sqft |
100-300 sqft |
160-440 sqft |
144-400 sqft |
64-100 sqft |
| Expedition |
300 – 900 sqft |
240-800 sqft |
340-1200 sqft |
300-900 sqft |
100-240 sqft |
| Prospector |
700-1800 sqft |
600-1400 sqft |
800-2400 sqft |
700-1800 sqft |
240-400 sqft |
*General guideline for portable structure/building with an 8 foot ceiling only.
When calculating requirements for BTUs for a defined space, factors such as altitude, structure’s heat retention, insulation, and quantity and size of windows all can radically affect the amount of BTUs required.