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Hilton, San Francisco Airport Bayfront

High Demand. Higher Performance.

This busy airport hotel averaged 98% occupancy and desperately needed redundancy in its water heating system. Intellihot’s technology greatly increased their efficiency saving the hotel 65% on gas bills.



Hospitality / Retrofit

Property Details

15 floors
402 rooms

Product Installed

Eight iQ1001s
Four iQ751s

Installed Capacity

11,000,000 BTU/hr
Zero Gallons storage


California Hydronics Corporation

“We are very happy with our Intellihot hot water system. Over the past six months the hotel has had 65% gas savings, plus uninterrupted hot water.

– John Kellites, Hilton General Manager

The Challenge

The hotel was running with a single 10 Million BTU/hr, 80% efficiency steam boiler. Replacing the system would require installing two steam boilers to provide sufficient redundancy. This option proved to be very costly and completely unnecessary.

The Intellihot Solution

Eight iQ1001s were installed for the guest rooms totaling 8 million BTU/hr at 94% efficiency with a turn down ratio of 264:1. Four iQ751s were used for the restaurants, public spaces and meeting facilities. Regardless of demand, Intellihot will always function at peak efficiency; from as low as 30,000 BTU/hr up to the maximum 3,000,000 BTU/hr output.

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