The best way to keep a dog warm in winter is to build an insulated dog house. It can be constructed indoors or outdoors. Just make sure that it has a private entrance. A covered porch or overhang works well for this. It is also important to make sure that your dog house has adequate insulation.
To build an insulated dog house, you will need a few materials. These materials can be found at home centers. There are also a variety of different insulating materials that you can use. The type of material you choose will depend on the degree of insulation you want. Foil-faced insulation products and rigid foam products are both good choices for insulating a dog house.
One of the most inexpensive insulation materials available is polystyrene foam. This type of material is easily available, cheap, and easy to work with. However, polystyrene foam does not last as long as other insulating materials. If you do decide to use this material, be sure to cover it with a durable plastic or wood.
Wood is not a great insulator, but it can help reinforce the other types of insulation. It also provides an air gap for additional insulating value. If you choose to use wood for your dog house, you will need to measure the interior dimensions of the dog house so that you can cut the panels to fit the walls. Make sure you apply a water sealant to the wood before installing it.
48" Dog House for Outdoor Indoor, X-Large Dog Houses Weatherproof 600D PVC with 8.5" H Textilene Elevated Dog Bed Breathable, Easy to Clean, Dog House Max 200lbs
$69.99 (as of October 12, 2025 17:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Zooba 36" Large Dog House for Large Dog Indoor or Outside, Weatherproof 600D PVC Outdoor, Featuring Breathable 2x1 Textilene Elevated Dog Bed, Easy Clean（Grey）
$79.99 (as of October 12, 2025 17:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Jiupety Indoor Dog House with Frame, Cute Dog Tent Bed with Cover Cave, Breathable, Washable, and Foldable House, Suitable for 10-20 Lb Puppy and Cats, Medium (17"×17"×17"), Pink
$42.99 (as of October 12, 2025 17:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Elevated Dog House for Outdoor or Indoor - Waterproof Dog Tent Cat House, Dog Sunshade Tent, Pet House with Removable Cover, Suitable for Medium Cats Dogs
$39.89 (as of October 12, 2025 17:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
BXEBUI Dog House Indoor Memory Sponge, Foldable Dog House Kennel Bed Mat with Cushion for Small Medium Large Dogs Cats, Winter Warm Cat Nest Puppy Cave Sofa Pet Products (XL)
$39.99 (as of October 12, 2025 17:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Large Weatherproof Dog House with Removable Roof for Indoor & Outdoor Use - Spacious (42.8" L x 33" W x 31.5" H) Classic Black
$149.99 (as of October 12, 2025 17:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Yokaniwa Dog Shade Shelter Outdoor 4'x4'x3' Tent for Large Medium Dogs, Outside Sun Rain Canopy Pet House for Cats Pigs Livestock with Waterproof Roof Ground Nails,Black
$69.99 (as of October 12, 2025 17:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
VIXZEN Dog House Indoor Outdoor,Waterproof Dog House for Small to Medium Dogs,Doghouse with Air Vents and Elevated Floor,Openable at The Top,Easy to Assemble and Clean,Gray,32.2"×25.12"×24.13"
$72.99 (as of October 12, 2025 17:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Extra Large Dog Bed House, Cozy Dog House Indoor, Memory Sponge, Plush Dog Cave Bed Crate Cushion with Non-Slip Bottom for Medium Large Dogs (Grey, XL)
$45.00 (as of October 12, 2025 17:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)