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IST Indoor/Rooftop Systems

IST Series  - 80% Efficient Indoor/Outdoor


Hastings “IST” Indirect gas fired make-up air equipment provide solutions for either indoor or outdoor applications utilizing 100% outside air or 100% return air or a combination of both outside air and return air mix and is design certified by E.T.L. Testing Laboratories.  The Hastings “IST” high efficiency tubular design heat exchanger has a wide range of MBH inputs from 100 MBH to 1200 MBH with an output efficiency rating of 80% with selected airflows required to meet desired space temperature requirements based on inlet ambient temperature conditions.  Hastings “IST” heater design will have turn down capabilities of 4:1 up to 12:1 based on project specifications.


-Space Heating
-Make Up Air
-Heating and Ventilation

Fuels:   Natural Gas or Propane Gas
Btu/Hr:  100,000 - 1,200,000
CFM:    823 -15,000
Mounting:  Floor or Suspended 
Location:   Indoor/Outdoor

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