Categories: Kitchen Ventilation Food Truck Exhaust Hoods Commercial Kitchen Type 1 Grease Hoods Commercial Kitchen Type 2 Heat & Condensate Hoods Round Exhaust Hoods Ductwork Single Wall Grease Ductwork Double Wall Grease Ductwork Duct Kits Exhaust Fans Centrifugal Upblast Exhaust Fans Centrifugal Downblast Exhaust Fans Utility Set Exhaust Fans Ceiling & Inline Fans Wall Propeller Fans Make Up Air Rooftop Supply Fans Inline Supply Fans Gravity Vents Make Up Air Heaters Parts & Accessories Hood Filters Hood Accessories Fan Accessories Motors Electrical Make Up Air / Make Up Air Heaters Kitchen Ventilation Ductwork Exhaust Fans Make Up Air Rooftop Supply Fans Inline Supply Fans Gravity Vents Make Up Air Heaters Parts & Accessories Direct Gas-Fired Heater, ETL Listed, for use in Tempering Make-up air. 2000 CFM. Includes a Filtered Intake Hood, Discharge Temperature Controls, and a Safety Disconnect Switch (MH-A1-D.500-15D) $6,049.99 Direct Gas-Fired Heater, ETL Listed, for use in Tempering Make-up air. 3500 CFM. Includes a Filtered Intake Hood, Discharge Temperature Controls, and a Safety Disconnect Switch (MH-A2-D.500-20D) $7,495.99 Direct Gas-Fired Heater, ETL Listed, for use in Tempering Make-up air. 5000 CFM. Includes a Filtered Intake Hood, Discharge Temperature Controls, and a Safety Disconnect Switch (MH-A3-D.750-24D) $9,099.99 Direct Gas-Fired Heater, ETL Listed, for use in Tempering Make-up air. 7500 CFM. Includes a Filtered Intake Hood, Discharge Temperature Controls, and a Safety Disconnect Switch (MH-A4-D.100-30D) $14,739.99