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Restaurant Load Calc Rule of Thumb

Restaurant Load Calc Rule of Thumb

Restaurant Load Calc Rule of Thumb

(OP)
What's the load calculation rule of thumb for a restaurant space? For example in a residential building, it's 30 BTU/SF or 1 CFM/SF. The location is in New Jersey.

RE: Restaurant Load Calc Rule of Thumb

Give up on the rule of thumb and calculate the heat gain/loss.

RE: Restaurant Load Calc Rule of Thumb

Is this for cooling or heating?

RE: Restaurant Load Calc Rule of Thumb

(OP)
cooling and heating

RE: Restaurant Load Calc Rule of Thumb

From Arthur Bell 'HVAC Equations Data and Rules of Thumb'

Restaurants

Cooling
Total Heat 48-120 Btuh/ft2
Sensible 21-62 Btu/ft2

Heating
Totally climate and construction dependent, not related to building function.

 

RE: Restaurant Load Calc Rule of Thumb

I would normally do these calculations long hand for small restaurants however,if you check out the web, certain states such as MA will publish worksheets for your purpose.

RE: Restaurant Load Calc Rule of Thumb

I've done 100 to 200 sq. ft./ton in restaurants depending on the equipment they have in there.  Obviously calculating the actual heat gain is the better way to do it, but as we all know sometimes you don't have that information.

RE: Restaurant Load Calc Rule of Thumb

I have uploaded a JPEG Trane cooling and Heating Load Estimate Worksheet.  Note that if the kitchen is fitted with a pull push ventilation system over their cooking equipment you may reduce the heat gain for the AC system under the Equipment Heat Gain section.

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