Water heaters

This product boasts the industry's highest efficiency rating -- 98 percent -- which means customers can cash in on low annual operating costs as well as receive the best payback, compared with conventional tankless or tank-type water heaters.

Navien's Condensing 98 Percent Tankless also enjoys the highest gallons-per-minute (GPM) when comparing input BTUs.

• Endless hot-water supply
• Ultra condensing efficiency 98 Percent
• Built-in circulation system
• ECO Navien technology
• Extended Lifecycle
• PVC venting and easy installation
• Optimal and stable operation
• Leak detector
• Air-intake filter
• Space saving
• Federal tax credit for consumers. You can get 30% of the cost, up to $1,500 back.