Not a strange question at all, as you can see. Home systems are popular.
By typing "beer dispensers for the home" in Google, there were a lot of hits.
Conversion kits for old refrigerators:
Keg beer refrigerators:
In my area, kegs cannot be delivered to the home.You can check with beer distributors in yours to learn of their policy.
I wonder what it would cost to have your own tap for bitter, ale or lager in the USA and get the barrels/kegs delivered to a private address (if even possible). This may sound wally to you but I am serious about it. If anyone has a link to a site where I can find prices and possibilities it would be very appreciated.