Rinnai FC824P Ventless Propane Heater
- 24,000 BTU heat output, propane
- Vent free, indoor wall mount
- Programmable thermostat with digital adaptive control
- 120 volt, 4 amp electrical supply
- 26.5 pounds, beige cabinet
- Four safety devices: flame failure, overheat, oxygen, tilt
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A wall-mounted ventless propane heater with a programmable thermostat and several safety shutoffs. The fuel fields in the listing conflict, so confirm propane before ordering.
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ASIN: B00K86BXLQModel: FC824PCategory: Propane Space Heaters
Overview
Rinnai builds the FC824P as a vent-free convecting wall heater, with a warm air outlet and bottom front louvers. A cool-to-touch cabinet with a safety lock surrounds the burner.
Digital adaptive control and a programmable schedule suit a room heated on a routine, and self-diagnostics help with upkeep. The limitation is clarity, since the listing mixes propane and natural gas labels and gives odd size and coverage figures.
Who it's for
A homeowner heating a living room, office, shop or modular home from a fixed wall spot suits this heater, and the child-safe cabinet suits families. Anyone wanting a portable heater, or who is unsure of the fuel type, should hold off.
Pros and cons
- Programmable thermostat schedule
- Cool-to-touch child-safe cabinet
- Flame failure and overheat shutoffs
- Oxygen depletion and tilt sensors
- Fuel fields conflict in listing
- Coverage and size figures look wrong
- Fixed wall install, not portable
Performance notes
Convection moves warm air out of the top outlet while the bottom louvers draw room air in. The digital adaptive control adjusts to the set temperature, and the programmable thermostat applies a schedule. The safety devices shut off gas and power if the unit overheats, tips or goes out.
Where it stands among propane space heaters
- #4 most-searched brand and model of the 6 propane space heaters lines we track (by search demand, not sales).
From the specs of the 20 propane space heaters we list; not a test result.
Specifications
| Brand | Rinnai |
|---|---|
| Model | FC824P |
| Dimensions & fit | |
| Item weight | 26.5 pounds |
| Capacity & performance | |
| Heating Method | Forced air |
| Heat Output | 24000 BTU |
| Power & efficiency | |
| Fuel Type | Propane |
| Voltage | 120 volts |
| Amperage | 4 A |
| Construction & materials | |
| Color | Beige |
| Compatibility & installation | |
| Mounting Type | Wall mount, with cabinet |
| Other details | |
| Indoor Outdoor Usage | Indoor |
| Room Type | Living room |
| Ventilation | Vent free |
Closest rivals on specs
GASLAND Flame Jet Propane Forced Air Heater 125000 BTU- Item Weight 26.5 vs 13 pounds (+104%)
Mr. Heater Hunting Buddy Propane Heater 12000 BTU- Item Weight 26.5 vs 11.2 pounds (+137%)
Mr. Heater Portable Buddy Propane Heater 9000 BTU- Item Weight 26.5 vs 7.1 pounds (+273%)
Frequently asked questions
How do I adjust the Rinnai FC824P temperature?
The listing describes digital adaptive control and a programmable thermostat display for setting a heating schedule. No step-by-step instructions are given.
Is the Rinnai FC824P propane or natural gas?
The fuel type and power source are listed as propane, but one field says natural gas. Confirm with the seller before ordering.
Does the Rinnai FC824P need a vent?
No. It is described as vent free and for indoor use.
What safety features does the Rinnai FC824P have?
A flame failure device, overheat switch, oxygen depletion sensor and tilt switch, plus a cool-to-touch cabinet with a safety lock.