Goodman GR9T961004CN 100k BTU Gas Furnace – Is It Worth It in 2026?
This is a whole-home natural gas furnace, not a space heater. It delivers 100,000 BTU but requires professional installation.
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Our Verdict
This Goodman furnace delivers 100,000 BTU of heat. It is built for whole-home heating, not portable use.
The 96% AFUE rating is very high. It means very little fuel is wasted. This saves money on gas bills over time.
This product requires professional installation. You need a gas line, proper venting, and ductwork. It does not plug into a wall outlet.
It does not have tip-over protection or overheat shutoff. Those are standard on portable space heaters. This furnace operates as a fixed, installed system.
If you need a portable heater for one room, look elsewhere. This furnace is the right choice only if you are replacing or installing a central heating system.
What We Like
- 96% AFUE efficiency means 96 cents of every gas dollar becomes heat.
- 100,000 BTU output can heat very large homes or commercial spaces.
- Two-stage heating adjusts output based on demand and saves fuel.
- Multi-speed ECM motor moves air quietly and with better control.
- Low NOx design produces fewer harmful emissions than standard furnaces.
What Could Be Better
- No tip-over protection is listed.
- No overheat shutoff protection is included.
- No built-in thermostat is provided with the unit.
- No timer or scheduling function is available.
- No remote control or Wi-Fi control is offered.
Standout Features
Full Specifications
Additional Info
| Assembly | No |
Frequently Asked Questions
Common questions about Goodman 96% AFUE Two Stage Upflow/Horizontal multi-speed 100k BTU Low NOx Natural Gas furnace (21 wide) (GR9T961004CN)
Can I use this Goodman furnace as a portable space heater?
No. This is a whole-home natural gas furnace. It requires permanent installation with gas lines, venting, and ductwork. It is not portable or plug-in.
How much heat does this furnace produce?
It produces 100,000 BTU per hour. That is enough to heat a large home or a very large space. Most space heaters produce far less than this.
What does 96% AFUE mean?
AFUE stands for Annual Fuel Utilization Efficiency. A 96% rating means 96 cents of every dollar of gas becomes heat. Only 4 cents is lost through exhaust.
Does this furnace include a thermostat?
The specs do not list a built-in thermostat. Furnaces connect to a separate wall thermostat, but one is not included with this unit.
Can this furnace be installed as a downflow unit?
No. The manufacturer states this unit is for upflow or horizontal installation only. For downflow installations, you need a model number beginning with GD9.
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