If you have no idea on how to build a dog house, there are many free dog house plans online that you can use as a reference. Also, any kind of building experience such as building a shed can give you ideas and basic knowledge of dog house construction.
They use the same material and the foundations of building a dog house or your shed and house is the same just on a smaller scale.
Lowes is a website dedicated to home improvement and they have a section on building a dog house. The whole plan is planned out in detail and you can simply print it out and follow the instructions.
If this is the first time you are building your own dog house, it would be best to start off with something simple. A simple dog house plan doesn´t mean it should be shoddy. Rather, it provides the basic needs of sheltering your dog from the elements.
It is also cheaper since you need less building supplies and you can construct a simple dog house in a smaller amount of time.
If you plan on adding heating and cooling systems to your newly built dog house, it may be best to consult an electrician or contractor for help. Alternatively, there are now various DIY home installation heating and cooling dog house systems available on the market that comes in a package completed with installation steps.