Key terms, definitions, and concepts related to Water Heaters. Use this glossary as a quick reference when researching types, brands, and installation guides.
AHRI CertifiedAn industry certification or standard relevant to water heaters products.AO SmithLearn more →AO Smith is known for Industry-leading water heaters including the Vertex high-efficiency line, Cyclone commercial series, and pioneering heat pump water heaters. BoschLearn more →Bosch is known for German-engineered tankless and point-of-use water heaters with compact designs and high energy efficiency. Bradford WhiteLearn more →Bradford White is known for Professional-grade water heaters sold exclusively through licensed plumbing contractors with Hydrojet and Vitraglas technologies. CSA CertifiedAn industry certification or standard relevant to water heaters products.EcosmartLearn more →Ecosmart is known for Best-selling electric tankless water heaters with patented self-modulating technology for maximum energy savings. EemaxLearn more →Eemax is known for Electric tankless water heaters for point-of-use and commercial applications with a focus on energy efficiency. EnerGuideAn industry certification or standard relevant to water heaters products.Energy StarAn industry certification or standard relevant to water heaters products.EternalLearn more →Eternal is known for Hybrid condensing water heaters that combine tankless efficiency with small buffer tank for instant hot water without cold-water sandwich. GELearn more →GE is known for One of America's most trusted appliance brands with extensive water filtration, water heater, and garbage disposal product lines. GiantLearn more →Giant is known for Canada's leading domestic water heater manufacturer with products designed for cold-climate performance. Heat Pump Water HeatersLearn more →Highly efficient systems that use electricity to move heat from air or ground to heat water. Can reduce energy costs by 60%. NSF CertifiedAn industry certification or standard relevant to water heaters products.Solar Water HeatersLearn more →Eco-friendly systems that use solar panels to heat water. Great for sunny climates and long-term savings. Storage Tank Water HeatersLearn more →Traditional water heaters with insulated tanks that store and heat water continuously. Most common residential option. Tankless Water HeatersLearn more →Energy-efficient units that heat water on demand without storing it in a tank. Perfect for homes with limited space. UL ListedAn industry certification or standard relevant to water heaters products.WaterSenseAn industry certification or standard relevant to water heaters products. 