Make-Up Air Systems: Indirect-Fired Indoor
Indirect-Fired Indoor Make-Up Air System Manufacturers
Modine
Featured Make-Up Air Systems: Indirect-Fired Indoor
Modine - Indirect-Fired Indoor Power Vented Make-Up Air
Modine’s Indirect-Fired Indoor Power Vented Make-Up Air system is designed for low-cost installations, integrating with building HVAC systems to provide efficient heating, ventilation, and optional cooling. Available in 17 model sizes, it supports inputs from 75,000 to 1,200,000 BTU/hr and airflow up to 14,500 CFM, with flexible gas (natural/propane) and cooling coil configurations. Ideal for commercial and industrial applications requiring reliable make-up air solutions.
Features
High Thermal Efficiency
Minimum 80% thermal efficiency across all models, reducing operational costs :cite[1]:cite[5].
Power Venting Flexibility
Vertical or horizontal venting options with integral power exhausters, overcoming negative building pressures :cite[5].
Stainless Steel Components
409 stainless steel heat exchanger, burner, and drip pan for durability and corrosion resistance :cite[1]:cite[3].
Smart Controls
Two-stage/electronic modulation controls, compatible with 0–10 Vdc or 4–20 mA building management systems :cite[1]:cite[3].
Tool-Accessible Design
Separate electrical, venting, and gas control access doors with full gasketing for easy maintenance :cite[1]:cite[5].
Specifications
Input Capacity
75,000–1,200,000 BTU/hr (17 model sizes) :cite[1]:cite[7].
Airflow Range
556–14,500 CFM, adjustable for ductwork up to 3.0″ W.C. static pressure :cite[1]:cite[5].
Gas & Cooling Options
Natural or propane gas (field-convertible); optional DX/chilled water cooling coils :cite[1]:cite[7].
Certifications
ETL certified, UL60335 compliant, and 20-gauge aluminized steel cabinet :cite[1]:cite[3].
Warranty
10-year warranty on heat exchanger, 3-year parts coverage (varies by model) :cite[7].
Warranty
Documents
Modine - Indoor Separated Combustion Duct Furnace
Features
Specifications
Warranty
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Features
Specifications
Warranty
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Features
Specifications
Warranty
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