Rinnai

Most Efficient Water Heater Systems by Rinnai

SYSTEM TYPE	TANK SIZE	EFFICIENCY (UEF)	SOLD AS (BRANDS & MODELS)
Heat Pump	75 gal	4.0	Rinnai REHP80BM	View System
Heat Pump	46 gal	3.75	Rinnai REHP50BM	View System

SYSTEM TYPE	TANK SIZE	EFFICIENCY (UEF)	SOLD AS (BRANDS & MODELS)
Gas Tankless	0 gal	0.98	Rinnai (RXP199I) REU-NBP3237FF-US, (CXP199I) REU-NBP3237FFC-US, (CX199I) REU-NB3237FFC-US, (RX199I) REU-NB3237FF-US	View System
Gas Tankless	0 gal	0.98	Rinnai (RXP199I) REU-NBP3237FF-US, (CXP199I) REU-NBP3237FFC-US, (CX199I) REU-NB3237FFC-US, (RX199I) REU-NB3237FF-US	View System
Gas Tankless	0 gal	0.98	Rinnai (RX180I) REU-NB2934FF-US	View System
Gas Tankless	0 gal	0.98	Rinnai (RXP199I) REU-NBP3237FF-US, (CXP199I) REU-NBP3237FFC-US, (CX199I) REU-NB3237FFC-US, (RX199I) REU-NB3237FF-US	View System
Gas Tankless	0 gal	0.98	Rinnai (RXP199I) REU-NBP3237FF-US, (CXP199I) REU-NBP3237FFC-US, (CX199I) REU-NB3237FFC-US, (RX199I) REU-NB3237FF-US	View System
Gas Tankless	0 gal	0.97	Rinnai (CX160I) REU-NB2530FFC-US, (RXP160I) REU-NBP2530FF-US, (CXP160I) REU-NBP2530FFC-US, (RX160I) REU-NB2530FF-US	View System
Gas Tankless	0 gal	0.97	Rinnai (CX160I) REU-NB2530FFC-US, (RXP160I) REU-NBP2530FF-US, (CXP160I) REU-NBP2530FFC-US, (RX160I) REU-NB2530FF-US	View System
Gas Tankless	0 gal	0.97	Rinnai (RX130I) REU-NB2024FF-US	View System
Gas Tankless	0 gal	0.97	Rinnai (CX160I) REU-NB2530FFC-US, (RXP160I) REU-NBP2530FF-US, (CXP160I) REU-NBP2530FFC-US, (RX160I) REU-NB2530FF-US	View System
Gas Tankless	0 gal	0.97	Rinnai (CX160I) REU-NB2530FFC-US, (RXP160I) REU-NBP2530FF-US, (CXP160I) REU-NBP2530FFC-US, (RX160I) REU-NB2530FF-US	View System

Conventional Electric Ain't Efficient!

Guess what!? Conventional electric Water Heaters are not efficient enough for Energy Star to certify them, and these days, there's no reason not to get a heat pump water heater, so you won't find any here.