Mercury Make Up Air Units
Mercury Make Up Air Units

We’ve engineered indoor and outdoor air make-up units that offer you a wide range of options. We are a leading manufacturer of high-performance direct-fired gas furnaces and also specialize in manufacturing custom-built solutions. Our energy efficient duct furnaces can be ordered with various different options so it fits your specific requirements.
We’ve engineered indoor and outdoor air make-up units that offer you a wide range of options. We are a leading manufacturer of high-performance direct-fired gas furnaces and also specialize in manufacturing custom-built solutions. Our energy efficient duct furnaces can be ordered with various different options so it fits your specific requirements.

Choose Your Power Source
Direct Gas Fired
- Super-efficient: gas units maximize energy efficiency
- Save on operating costs with gas-power
- Even heat distribution
- Gas units warm up faster

Electric Heater
- Available for use in areas without access to gas
- 240 and 460 watt options available

Direct Gas Fired
- Super-efficient: gas units maximize energy efficiency
- Save on operating costs with gas-power
- Even heat distribution
- Gas units warm up faster
Electric Heater
- Available for use in areas without access to gas
- 240 and 460 watt options available
Details & Installation
- Horizontal and vertical configurations
- Interior and exterior installation approved
- Single, two speed, and multi-speed fan controls
- Manufacturing, aerospace, building, automotive, industrial
- Custom applications / Process heat
- UL listed components for years of trouble-free service
- Powder coating over G-90 galvanized steel
Unparalleled ease of installation and servicing through:
- Extra large access doors and viewing windows on both sides
- Circuit board mounted relays make servicing easy
- Manifold mounted gas pressure gauge
- Built-in electrical disconnect
- Built-in temperature sensor
- Primary and secondary circuit breaker protection
- RJ-45 connection between heater and remote panel
- Automatic heat on demand- No summer / winter switch
Spray-Tech Prioritizes Safety

OSHA - Occupational Safety and Health Administration
Our commitment to safety aligns with OSHA’s guidelines and regulations, ensuring a secure working environment for all.

NFPA - National Fire Protection Association
Spray-Tech is committed to upholding and advancing the rigorous safety measures advocated by NFPA to ensure a secure and compliant environment for our clients.

ETL - Electrical Testing Labs
We work hard to meet ETL standards in order to ensure our electrical equipment meets rigorous safety and performance criteria.

EPA - Environmental Protection Agency
Our environmental responsibility is reflected in our compliance with EPA regulations, contributing to a cleaner and sustainable future.
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