Represented since 2022. Designed for lasting impact. HTP manufactures a wide range of premium, high efficiency water heaters. Using the most durable components in the industry, HTP constructs long lasting products that help customers save energy and money. References 2025 Water Heating Product Catalog Parts Technical Support for Homeowners & InstallersCall: (800) 323-9651Email: techsupport@ariston.com Warranty Videos