Tank-type water heaters last for an average of 10 years. Replacing your water heater during the last few years of its expected lifespan can help you to avoid breakdowns that could affect the comfort of your tenants and the functionality of your business operations.Mar 12, 2018
What size hot water heater do I need for a family of 4?
1-2 people need a 30-gallon water heater. 2-3 people need a 40-gallon water heater. 3-4 people need a 40-50 gallon water heater. 5 or more people need a 50-80 gallon water heater.