OmniHeat Up to 1500-Watt Oil-filled Radiant Flat Panel Indoor Electric Space Heater with Thermostat in the Electric Space Heaters department at Lowes.com
Comfort Zone 1,200-Watt Electric Oil-Filled Radiant Radiator Heater, Permanently Sealed, Never Refill, Adjustable Thermostat, Stay-Cool Handle, Tip-Over Switch & Overheat Protection System - Walmart.com
Bromic Heating Tungsten Smart-Heat 56-Inch 3000W Single Element 240V Electric Infrared Patio Heater - Black - BH0420031 : BBQGuys
Fahrenheat Up to 3000-Watt 240-Volt Forced Air Heater (3.87-in L x 18.25-in H Grille) in the Electric Wall Heaters department at Lowes.com
Kalglo 2000W/240V Electric Radiant Infrared Horse Heater – HS/RS series – County Farm Tack Store
How to (Safely) Heat a Tent
Klarstein Norderney Convection Heater Thermostat Timer 2000W 30m² Black 2000 W | Black
The Curious History of Steam Heat and Pandemics - Bloomberg