A small family needs a water heater which should be energy efficient and economical in price. After doing some research I find water heater, which meets my family needs in a perfect and economical way. There are lots of brands with various features and price range available in the market for the water heater, but I bought Morphy Richards last winter keeping in mind its brand value and features. The Morphy Richards Water heater also has features like energy-saving, 5-star rating hence I move ahead to buy it.
This depends on your budget and requirements like how much litres you require etc. There are 4 members in my family and as there were two earning hands so we had no set budget, we were more towards quality and durability. I recommend to contact experts in this field and ask them for help. For example our heater was installed by this company https://www.americanbackflowprevention.com/