modeling baseline Service Water heater per ASHRAE 90.1 2016 table G3.1.1-2

LEEDuser Basic Member

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Project location :

United States

February 3, 2025

Hi,

I am working on a 6-floor residential building with two non-residential floors. For proposed case, the building uses two water heaters, one is a heat pump, connected to a geothermal loop and another electric. Since ASHRAE 90.1 2016, table G3.1.1.1-2 categorizes the baseline heating method based on building type, are we supposed to use two domestic water heating loops, one for Dormitory and one for Office? I am using section G3.1.1 exception b for HVAC systems.

Thanks in advance,

Pramod

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Marcus Sheffer

LEED Fellow

7group / Energy Opportunities

LEEDuser Expert

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Mon, 02/03/2025 - 21:45

Yes that is how I would interpret it.

LEEDuser Basic Member

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Tue, 02/04/2025 - 09:12

Thank you, Marcus!

Jamy Bacchus

Associate Principal

ME Engineers

LEEDuser Premium Member

29 thumbs up

Wed, 04/02/2025 - 22:14

Ok. New LEEDuser staff: please do not just open the floodgates of spam. Vet these URL containing posts and actually weed out the junk!

I can't believe I had 3-4 post responses held up with these for 2 months.

Fri, 04/04/2025 - 12:58

@Jamy thank you for your response. We will work to ensure that no spam are being added to the posts, and we will continue to remove any posts that has been added.