Div 22 33 00 · 22 33 00
Lochinvar IWH0500N
Lochinvar · IWH0500N
Lochinvar IWH0500N appears in the U.S. EPA ENERGY STAR "Certified Commercial Water Heaters" dataset, which lists products whose manufacturers have certified them to the program's specification (record 4610756, certified 2026-05-07). EPA publishes these rated values for the listing: Type Gas Tankless; Fuel Gas; Vent type Direct Vent; Storage volume (gal) 6; Vent size (in) 4; Input rate (thousand Btu/h) 500; Thermal efficiency TE 0.96. The listing records ENERGY STAR certification and the rated values the manufacturer reported to EPA. It is not a determination that any building, installation or design complies with a code.
✓ Verified 2026-10-03
Specs on this page were checked against ENERGY STAR Certified Commercial Water Heaters (data.energystar.gov/d/xmq6-bm79) on 2026-10-03.
Specifications
| Fuel | Gas |
| Type | Gas Tankless |
| Vent type | Direct Vent |
| Vent size (in) | 4 |
| Storage volume (gal) | 6 |
| Thermal efficiency TE | 0.96 |
| Input rate (thousand Btu/h) | 500 |
Certifications & Standards
ENERGY STAR 4610756 Certified commercial water heater, 2026-05-07
Sustainability
No sustainability metrics on file for this product.