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Commercial water heatersENERGY STAR certified

Rinnai RCW1000AN

999 kBtu/h gas tankless water heater.

Input rate

999 kBtu/h

Storage

8 gal

Thermal efficiency

0.99

Fuel

Gas, Propane

Of 207 certified gas tankless commercial water heaters, 0 have a higher thermal efficiency than the RCW1000AN (0.99).

Maker
Rinnai
Model
RCW1000AN
Type
Gas Tankless
Fuel
Gas, Propane
Storage
8 gal
Thermal efficiency
0.99
Input rate
999 kBtu/h
Vent
Direct Vent
On the market since
Sep 2025
ENERGY STAR certified
16 Jul 2025

Source: ENERGY STAR certified commercial water heaters dataset, US EPA, record 4478584, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the RCW1000AN

Certified commercial water heaters from other makers, same color class, within 20% of its speed.

ModelTypeFuelStorageInput rate
Lochinvar AWH1000L SERIES 1**Gas TanklessPropane9 gal999 kBtu/h
Lochinvar AWH1000N SERIES 1**Gas TanklessGas9 gal999 kBtu/h
A. O. Smith PWH1000NP*Gas TanklessGas, Propane9 gal999 kBtu/h
Laars NT2V0999Gas TanklessGas8 gal999 kBtu/h
Bradford White BNT2V0999Gas TanklessGas8 gal999 kBtu/h
THERMAL SOLUTIONS AMPW1000LGas TanklessGas, Propane9 gal999 kBtu/h

Rinnai

More Rinnai commercial water heaters

ModelTypeFuelStorageInput rate
CHS398100HCXVINGas StorageGas, Propane119 gal398 kBtu/h
CHS19980HCXINGas StorageGas, Propane80 gal199 kBtu/h
CHS16080HCXINGas StorageGas, Propane80 gal160 kBtu/h
CHS199100HCXINGas StorageGas, Propane119 gal199 kBtu/h
CHS398100HCXINGas StorageGas, Propane119 gal398 kBtu/h
CHS160100HCXINGas StorageGas, Propane119 gal160 kBtu/h
CHS320100HCXVINGas StorageGas, Propane119 gal320 kBtu/h
CHS398100HCXVAINGas StorageGas, Propane119 gal398 kBtu/h

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