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Today's Hours 8am - 11pm estThe MRCOOL HeatWise 4500 Watt Low Electric Tank Water Heater (28 Gallon Capacity) is a powerful, space-saving hot water solution designed for homes, apartments, and utility spaces where vertical clearance is limited but performance cannot be compromised. Built with MRCOOL’s advanced engineering, this low-profile electric water heater delivers consistent hot water, long-term durability, and energy-conscious operation in a compact footprint that fits where traditional tall tanks cannot. Perfect for tight mechanical rooms, crawl spaces, under-stair installations, and low-ceiling utility areas, the HeatWise 28-gallon model is engineered to provide reliable hot water for daily household needs while maximizing installation flexibility. Despite its compact design, it delivers strong heating performance with a 4500-watt electric element, ensuring fast recovery times and dependable hot water availability for showers, sinks, laundry, and general household use.
The MRCOOL HeatWiseâ„¢ Electric Tank Water Heater is backed by a comprehensive warranty package for long-term peace of mind. It includes a 10-Year Limited Tank Warranty and a 10-Year Parts Warranty, helping protect your investment against manufacturing defects and component failures. In addition, a 1-Year Limited Labor Warranty provides coverage for eligible labor costs during the first year of ownership. This extensive warranty coverage reflects MRCOOL's commitment to reliability, durability, and dependable hot water performance for years to come.
Refer to the manufacturer's manual for full warranty details.Inside the tank, MRCOOL integrates advanced protection and efficiency technologies designed to extend system life and improve water quality. An anti-bacterial enamel-coated tank lining helps maintain cleaner water conditions, while a ceramic-coated heating element resists scale buildup and corrosion for long-term reliability. A rare earth anode rod provides enhanced corrosion protection compared to standard anodes, helping significantly extend the lifespan of the tank. To further improve performance and efficiency, the HeatWise system includes a self-cleaning flow guide that reduces sediment accumulation inside the tank. This helps maintain consistent heating efficiency and reduces long-term maintenance requirements. The unit is also designed for stable pressure performance and reliable operation across a wide range of residential applications. With its combination of compact design, high-output heating capability, and advanced internal protection systems, the MRCOOL HeatWise 28-gallon water heater is an ideal choice for homeowners who need dependable hot water without sacrificing space or efficiency.



