We've tested and reviewed products since 1936. Read CR's review of the Stiebel Eltron Accelera 300E water heater to find out if it's worth it.

The Stiebel Eltron Accelera 220E is part of the Water Heaters test program at Consumer Reports. In our lab tests, Heat Pump Water Heaters models like the Accelera 220E are rated on multiple ...