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Is the supply-air temperature a variable that exists among the outputs in BeOpt?

asked 2026-02-03 14:21:47 -0500

Brimbor1224's avatar

updated 2026-02-09 10:13:13 -0500

Hello,

I’m using BEopt 3.1 with the EnergyPlus engine to compare a gas furnace and an air-source heat pump, and I’d like to look directly at supply-air temperatures for the heating equipment to better understand duct losses. Is this supply-air temperature a variable that exists among the outputs?

Are there any hourly output variables that would correspond to supply-air temperature for the main heating system?

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answered 2026-03-19 16:44:07 -0500

BEopt does not make the hourly supply air temperatures available to the user. Though if you are proficient at using EnergyPlus, you can take the EnergyPlus IDF input file generated by BEopt, manually add hourly requests, and re-run it.

I ran a home in Denver (once with an air conditioner/furnace and once with an all-electric air source heat pump) just to show you what kind of supply temperatures you would see:

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Asked: 2026-02-03 14:21:02 -0500

Seen: 103 times

Last updated: Mar 19