You’ve got propane, you’ve got firewood…
But do you have fuel you can SAFELY burn indoors without significant danger of hazardous fumes or a house fire?
For that, you need InstaFire 6-Hour Canned Heat+ & Cooking Fuel & Chafing Fuel:

During an emergency, it isn't always safe to be outdoors. Because the InstaFire 6-Hour Canned Heat+ & Cooking Fuel is safe for indoor use*, you can stay inside away from prying eyes. That means no worrying about alerting others to what food or tools you have available.
Learn more about our InstaFire Compact Tools that use Canned Heat and/or Biomass for Off-Grid, Emergency, Camping:

Canned Heat, Vesta Heater Stove, Inferno Pro and Ember Oven by InstaFire.
*Canned heat is chafing fuel—odorless, smokeless, nontoxic, and generally safe for indoor use. It is still HIGHLY recommended to provide adequate ventilation in any room where it is in use.
Product may freeze when temperature reaches 16 degrees Fahrenheit (-8 Celsius). When stored in ambient conditions above its freezing point, this product will last for many years.
WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov/product