It Is Strongly Recommended To Install Makeup Air With Wall Thermostats Smc Base Pan Simplified StructureEasy To Maintain And Service Product Built To Order, Lead Times May Vary Makeup AirDelivers 25-50 Cfm Of Continuous Makeup Air Whenever The Room Is Occupied Energy EfficiencyWhen Paired With Occupancy Sensing Hardware, Ventilation Can Be Halted During Vacancy DehumidificationDehumidifies At A Rate Of 5-6 Pints Per 24 Hours (Based On Cfm Level) Boost Heat OptionProvides Supplemental Resistance Heat In Heat Pump Mode Heat & Freeze SentinelsKeeps The Room From Overheating Or Freezing Electronic Temperature LimitingPrevents Expensive Over-Cooling Or Over-Heating Of The Room Electronic Touch Controls With Led Display May Reduce The Need For Individually Ducted Rooftop Systems Because Makeup Air Increases Room Btu Load Requirements And Requires Additional Ptac Cooling Or Heating, The Building'S Electrical Needs May Be Impacted Makeup Air Models Are Not Recommended For Installation Within Two Miles Of Coastal Areas