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Hi all,

I'm new to this and it might be a stupid question, but I'm concerned about selecting the right system for my model.

I'm modeling a trade school of sorts, with lots of heat pumps (70+). Unfortunately I can't upload anything yet to give an example. I modeled them as packaged single zone units, the larger units with 2 speed fan control and the smaller ones as constant volume (does that seem right?). I'm concerned because of the jump in fan usage. Fan kWh increased 151% from the baseline (ASHRAE System 6). The proposed design does increase CFM and OSA, but does this make sense?

Thanks in advance for helping out a beginner.

Hi all,

I'm new to this and it might be a stupid question, but I'm concerned about selecting the right system for my model.

I'm modeling a trade school of sorts, with lots of heat pumps (70+). Unfortunately I can't upload anything yet to give an example. I modeled them as packaged single zone units, the larger units with 2 speed fan control and the smaller ones as constant volume (does that seem right?). I'm concerned because of the jump in fan usage. Fan kWh increased 151% from the baseline (ASHRAE System 6). The proposed design does increase CFM and OSA, but does this make sense?

Thanks in advance for helping out a beginner.

Hi all,

I'm new to this and it might be a stupid question, but I'm concerned about selecting the right system for my model.

I'm modeling a trade school of sorts, with lots of heat pumps (70+). Unfortunately I can't upload anything yet to give an example. I modeled them as packaged single zone units, the larger units with 2 speed fan control and the smaller ones as constant volume (does that seem right?). I'm concerned because of the jump in fan usage. Fan kWh increased 151% from the baseline (ASHRAE System 6). The proposed design does increase CFM and OSA, but does this make sense?

Thanks in advance for helping out a beginner.

Hi all,

I'm new to this and it might be a stupid question, but I'm concerned about selecting the right system for my model.

I'm modeling a trade school of sorts, with lots of heat pumps (70+). Unfortunately I can't upload anything yet to give an example. I modeled them as packaged single zone units, the larger units with 2 speed fan control and the smaller ones as constant volume (does that seem right?). I'm concerned because of the jump in fan usage. Fan kWh increased 151% from the baseline (ASHRAE System 6). The proposed design does increase CFM and OSA, but does this make sense?

Thanks in advance for helping out a beginner.

Hi all,

I'm new to this and it might be a stupid question, but I'm concerned about selecting the right system for my model.

I'm modeling a trade school of sorts, with lots of heat pumps (70+). Unfortunately I can't upload anything yet to give an example. I modeled them as packaged single zone units, the larger units with 2 speed fan control and the smaller ones as constant volume (does that seem right?). I'm concerned because of the jump in fan usage. Fan kWh increased 151% from the baseline (ASHRAE System 6). The proposed design does increase CFM and OSA, but does this make sense?

Thanks in advance for helping out a beginner.