Ruud.com, the manufacturer's official website for Ruud hot-water heaters, allows users to locate independent contractors in their area that sell and install Ruud products by searching via zip code. Ruud hot-water heaters may also be purchased from The Home Depot or online retailers, such as Zoro Tools or Grainger.
Ruud operates as a division of the Rheem company, having been acquired by Rheem in 1953. The two names are often referred to interchangeably, and many of the same products are manufactured under both the Ruud and Rheem company labels.
As of 2015, The Home Depot lists a variety of Rheem residential hot-water heaters available for purchase online or from the brick-and-mortar store. All types of Rheem hot-water heaters include both electric and natural-gas water heaters as well as point-of-use, high-capacity or high-efficiency water heaters. Their prices range from $236 for a 30-gallon, 4500-watt, electric water heater to around $1,300 for a 98-gallon, 75,000-BTU natural-gas, hot-water heater.
For commercial models of Ruud or Rheem hot-water heaters, as of 2015, Zoro Tools website currently lists them at prices ranging from $300 to nearly $13,000 per unit. Grainger also sells a variety of commercial models for prices ranging from $1,860 to over $13,000.