3) In terms of their physical features – 
As we stated earlier, indoor dog kennels are like dog houses built inside the house. Hence, it’s like a small house with a slated roof design, usually closed off with just a door or an entryway. On the other hand, dog crates usually have cube-like shapes surrounded by complete restrictions on all sides. They have meshes on their walls for visibility and aeration.
What’s the difference between a kennel and a cage?
Indoor Dog Crates – 
Crates are used indoors and should only be a little bigger than the dog’s size, providing a sense of safety and security. They are usually used to prevent dogs from roaming the house. Some owners choose to use crates to prevent dogs from getting into trouble in their absence or to help eliminate accidents during potty training.
Crates come in various designs and materials, including metal and plastic, and tend to have open walls offering visibility and aeration. Regarding care, crates don’t require much maintenance. A bit of cleaning now and then, adding some bedding in the form of a dog bed, folded towels or blankets, and keeping the crate stocked with safe chews is about all that’s needed.
Indoor dog crates are best for:
Puppies who are potty training Dogs that have bad or destructive behavior when owners aren’t present Dogs with separation anxiety and other phobias
Check out these top dog crate picks for 2021.
Is it mean to put your dog in kennels?
Leaving your dog at boarding kennels – Kennels are an option for your dog when you’re away, but this will depend on whether your dog is comfortable with being in a kennel environment. Many dogs find kennels isolating and if your dog hates being left alone, leaving them in a home environment where they can enjoy the company of people will be best for them.
Do dogs like crates or kennels?
Dogs love to be cozy. Their bodies are designed to keep them warm, so they often seek places that feel the best for them. That means curling up under blankets or on your lap for some dogs. For other dogs, it means snuggling up inside a crate that offers plenty of room to stretch out and get comfortable.
Do dogs get stressed in kennels?
Unfortunately, kennel stress is a real thing and can lead to a downward spiral of your dog’s wellbeing. First, they are too stressed to eat or sleep and may pace or bark continuously all day and night.
Is it okay to leave dog in kennel at night?
The Bottom Line – When it comes to the maximum time you can crate a dog for, you need to consider several factors. Make the decision based on:
Your dog’s age and breedYour dog’s disposition and energy levelWhether he will only be crated for a longer period once in a while or on an ongoing basis
In most cases, you can find great alternatives to crating a dog for long hours during the day. Dog walkers, doggy daycares, dog-proof rooms or dog yards all offer plenty of much needed stimulation and enrichment to your dog. Crating your dog for a longer period during the night is a different story.
Especially older dogs and laid-back breeds can easily sleep for 10+ hours at night without needing to get up. It is totally fine to crate your dog for that long during the night, especially if he has plenty of activities during the day. Young puppies however won’t be able to sleep for that long right away.
You should take them to the bathroom halfway through the night to prevent any potty accidents.