Unit heaters are one of the most common heating solutions for warehouses, manufacturing facilities, garages, and...
Blog
Helpful information from our HVAC engineers.
How to Size a Make-Up Air Unit (MAU) for an Industrial Facility
Make-up air units (MAUs) play a critical role in industrial facilities by replacing exhausted air, maintaining...
BACnet MS/TP, BACnet IP, ModBus RTU, LonWorks, IoT, proprietary, what’s the difference?
Modern HVAC equipment rarely operates in isolation. Unit heaters, make-up air units, VAV boxes, and fans are...
The “Military-Grade” Standard: Why Acme Exhaust Fans Lead the Industry
The New Era of Kansas City Ventilation In the world of airside HVAC, there is "off-the-shelf," and then there is Acme...
ASHRAE 62.1 Guide: Ventilation & IAQ Standards for Contractors
ASHRAE 62.1 is the industry standard for ventilation in commercial and industrial buildings. Its full title is...
Understanding ASHRAE 90.1 Energy Standard for Buildings: The Guide for HVAC Engineers & Contractors
Technical Quick-Reference Is ASHRAE 90.1-2022 mandatory? It is mandatory only if adopted by your local jurisdiction;...
Product Spotlight: Modine MEW Washdown Unit Heater
Modine MEW - Washdown Unit Heater The Modine MEW Washdown Unit Heater is engineered for performance and durability in...
Benefits of Separated Combustion
What Is Separated Combustion? In standard gas-fired unit heaters, combustion air is pulled from inside the building....
Product Overview: Modine Make-Up Air
Modine Make-Up Air Units Make-up air systems are designed to replace air that’s been exhausted from a space, helping...
Clamshell vs Tubular Heaters: What’s the Difference?
Understanding the Difference When selecting a gas-fired unit heater, one of the most important design choices involves...
Gas-Fired Heating: Design Layout
Proper layout and placement of unit heaters is critical to achieving efficient, uniform heating in commercial and...
Gas-Fired Heating: Type 1 vs Type 3 Flues
Type 1 Flues Type 1 flues are built to serve solid fuel appliances such as wood burning stoves, coal heaters, or...











