Top-rated gas water heaters are available from big box hardware stores such as Home Depot and Lowe’s, and popular online retailers such as Amazon.com. As of February 2015, the Rheem RTG-64XLN is a five-star, user-reviewed gas water heater available at both Amazon.com and Home Depot.
The Whirlpool N40S61-403, named best gas water heater by ConsumerSearch, is available at Lowe’s. Other top-rated brands such as Whirlpool, GE and Kenmore are also available from these retailers. Online retailers and websites offer customers the opportunity to compare capacity, type, warranty and other special features to determine which gas water heater is the best for them.