Heat Tec
Pet Warmer by Heat Tec | 300w Dog House Heater with Chew Resistant Cord | Thermostatically Controlled | Safe - Dry Heat
Climate Right
Climate Right 300W Electric Dog House Heater with an Abrasion-Resistant Cord & 3 Fan Settings for Dog Houses and Pet Enclosures
Akoma Dog Products, Inc.
Akoma Dog Products Hound Heater Furnace Deluxe with Cord Protector
Extreme Consumer Products
Dog House Heater Plus Model - Designed for Most Dog Houses w/ Easy D.I.Y. Installation & Adjustable Temperature Control - Suitable For All Breeds & Sizes - Anti Chew Cord Coil