General Electric nf97d110m5c Modulating Gas Furnace 97% Afue

Product Description

The GENERAL ELECTRIC nf97d110m5c is a modulating downflow gas furnace rated at 110,000 BTU/h with a 97% Annual Fuel Utilization Efficiency (AFUE) rating. Modulating operation means the burner adjusts its firing rate across a range of outputs rather than cycling between full-on and full-off, which improves comfort and reduces short-cycling. The downflow cabinet configuration directs conditioned air downward from the unit, making it the correct choice for installations where supply ductwork runs beneath the furnace. Licensed HVAC technicians are the qualified trade for installation and commissioning of this unit.

This furnace is suited for residential or light-commercial heating applications where high-efficiency equipment is required. A 97% AFUE rating means that 97 cents of every dollar of gas consumed is converted to usable heat, making it appropriate for projects targeting ENERGY efficiency codes or utility rebate programs. The downflow orientation fits slab-on-grade installations, crawlspace-fed duct systems, and applications where the air handler sits above a downflow plenum. At a 5-ton equivalent capacity class, this unit is sized for larger residential homes or small commercial zones.

Key Features

• 97% AFUE modulating operation for high-efficiency, variable-output heating
• 110,000 BTU/h heating capacity for larger residential or light-commercial loads
• Downflow cabinet directs supply air downward for below-furnace duct connections
• 5-ton capacity class matches high-load residential and small commercial applications
• Modulating burner reduces short-cycling and improves temperature consistency

Compatibility

Designed as an OEM-style modulating downflow gas furnace replacement or new-installation unit for residential and light-commercial forced-air heating systems requiring a downflow configuration.

Installation Notes

Installation must be performed by a licensed HVAC technician in accordance with the National Fuel Gas Code (NFPA 54 / ANSI Z223.1) and all applicable local codes. Shut off the gas supply and disconnect electrical power before beginning any connection or service work. Verify that the existing venting, gas line sizing, and electrical supply are compatible with this unit before installation. Commissioning of a modulating furnace typically requires manufacturer-specified startup procedures and may require a digital manifold or combustion analyzer to verify proper operation.

Technical Specifications

• Heating Capacity: 110,000 BTU/h
• AFUE Rating: 97%
• Capacity Class: 5 Ton
• Furnace Type: Modulating Downflow Gas Furnace

Standard Information

• Brand: GENERAL ELECTRIC
• Manufacturer Part Number: nf97d110m5c