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News
MRCOOL Cabinet Sizes Explained: A, B, C & D Cabinet Widths for Air Handlers, Coils & Furnaces
Not sure whether you need a MRCOOL A, B, C, or D cabinet? This guide explains the four common HVAC cabinet widths—14.5, 17.5, 21, and 24.5 inches—and how they relate to MRCOOL central ducted air handlers, evaporator coils, gas furnaces, and dual fuel systems. Learn how to measure your existing equipment, avoid compatibility mistakes, and choose the correct cabinet size for your installation.
Read moreMRCOOL Dual Fuel Heat Pump & Gas Furnace Guide: How It Works, Benefits & Savings
Discover how a MRCOOL dual fuel heating and cooling system combines an energy-efficient electric heat pump with the dependable heating power of a gas furnace. Learn how dual fuel works, when the system switches between electricity and gas, how to choose the right size, and whether a MRCOOL dual fuel system is right for your home.
Read moreMRCOOL Dip Switch Settings Guide: What Dip Switches Do and Why They Matter
Learn what MRCOOL dip switches do, which systems use them, and why proper dip switch settings are critical for airflow, efficiency, comfort, and long-term HVAC performance. Covers MRCOOL Universal®, VersaPro®, Central Ducted®, and GeoCool® systems.
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