At 92% AFUE, the ACiQ R92MSN0401412A is designed to be high-efficiency while providing superior comfort. With its many useful features, this unit is a good all-around choice for almost any application.

The ACiQ R92MSN0401412A has an input of 40,000 BTU. With an efficiency of 92%, this means that the furnace has an output of 36,800 BTU, meaning that it is generally suitable for small houses in ideal climates. The 92% AFUE also means that for the gas going into the furnace, 92% of it is used to heat your home while the remaining 8% is lost out the flue piping and lost to normal furnace operations. All 92% furnaces require plastic/PVC flue venting, and if you need it to be metal flue venting to match your current setup, you would need to get an 80% efficient furnace.

While this unit uses natural gas as fuel out of the box, we also have an LP conversion kit, available at an additional cost. Please note that this furnace is not Low NOx or Ultra Low NOx compliant and if shipped to California may be subject to a mitigation fee.

Ideal For:

• Small Homes and Apartments – Delivers consistent, efficient heat in limited spaces without excessive fuel use.
• HVAC Professionals – Compact 14" cabinet width and multi-positional flexibility make installations faster and easier.
• Mobile Home Installations – Approved for manufactured housing when used with the proper accessory kit.
• Energy-Conscious Homeowners – Perfect for those wanting reliable performance and lower energy bills.

Why the ACiQ 40,000 BTU Gas Furnace Is the Best Compact Heating Solution?

• High-Efficiency Heating – With a 92% AFUE rating, this furnace uses more of your fuel to generate heat, helping reduce utility bills.
• Compact and Versatile Design – The 14" cabinet width allows installation in tight spaces while supporting upflow, downflow, or horizontal orientations.
• Advanced Airflow Technology – Equipped with an multi-speed ECM blower motor that delivers quiet, smooth, and efficient airflow throughout the home.
• Durable and Long-Lasting – Built with corrosion-resistant steel and dual heat exchangers for improved longevity and safety.