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Commercial water heatersENERGY STAR certified

Intellihot iQ1501

1,501 kBtu/h gas tankless water heater.

Input rate

1,501 kBtu/h

Storage

6 gal

Thermal efficiency

0.96

Fuel

Gas, Propane

Of 207 certified gas tankless commercial water heaters, 173 have a higher thermal efficiency than the iQ1501 (0.96).

Maker
Intellihot
Model
iQ1501
Type
Gas Tankless
Fuel
Gas, Propane
Storage
6 gal
Thermal efficiency
0.96
Input rate
1,501 kBtu/h
Standby loss
1,010 Btu/h
Vent
Direct Vent
On the market since
Jan 2020
ENERGY STAR certified
27 Jan 2020

Source: ENERGY STAR certified commercial water heaters dataset, US EPA, record 2354156, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the iQ1501

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

ModelTypeFuelStorageInput rate
Lochinvar AWH1500(N,L)Gas TanklessGas, Propane14 gal1,500 kBtu/h
A. O. Smith PWH1500(N,L)(P)(-CAN)Gas TanklessGas, Propane14 gal1,500 kBtu/h
Laars NT2V1500Gas TanklessGas11 gal1,500 kBtu/h
Bradford White BNT2V1500Gas TanklessGas11 gal1,500 kBtu/h
THERMAL SOLUTIONS AMPW1500Gas TanklessGas, Propane13 gal1,500 kBtu/h
Bryan Steam, LLC BFITW1500Gas TanklessGas, Propane13 gal1,500 kBtu/h

Intellihot

More Intellihot commercial water heaters

ModelTypeFuelStorageInput rate
iQ751 Gen IIGas TanklessGas, Propane3 gal751 kBtu/h
iQ251Gas TanklessGas, Propane1 gal250 kBtu/h
iQ1001 Gen IIGas TanklessGas, Propane4 gal1,001 kBtu/h
iN501Gas TanklessGas, Propane2 gal-
iQ3001Gas TanklessGas, Propane12 gal3,001 kBtu/h
I250Gas TanklessGas, Propane0 gal250 kBtu/h
iQ2001Gas TanklessGas, Propane8 gal2,000 kBtu/h
Electron iE1Electric Heat PumpElectric6 gal-

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