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What are the system design standards that Hamstra uses?

April 26, 2017design hamstra Standards system uses

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What are the system design standards that Hamstra uses?

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Hamstra uses Manual J load calculation to size all of the systems we install. The design conditions that Hamstra uses for Tucson are: 104 degrees Outdoor DB (Dry bulb) with 75 degrees Indoor DB, 67 degrees Indoor WB (wet bulb). These design conditions/standards are per the model energy code and will be used exclusively unless more stringent standards are requested by the contractor before the system designed.