My Real-World Test Data
To move past marketing claims, I measured performance using a ThermoPro TP19H for surface temperature and a Govee Air Quality Monitor to track indoor smoke levels (PM2.5).
| Test Metric | GGR50B (The Round) | GFO240S (The Oval) |
|---|---|---|
| Warm-up to 400°F | 11 mins 42 secs | 9 mins 15 secs |
| Max Surface Temp | 452°F | 438°F |
| Smoke (PM2.5 Avg) | 22 µg/m³ | 14 µg/m³ |
| Lid Clearance | 5.5 inches | 3.2 inches |
The Coating: George Tough & Safety
Both grills use the proprietary George Tough Nonstick Coating.
- Durability: During testing, the coating resisted sticking even with sugary BBQ glazes.
- Health & Safety: Both models are confirmed PFOA-free, meaning no toxic fumes are released during high-heat indoor cooking.
Design Intent: High Dome vs Slim Profile
The GGR50B features a high-domed round lid, creating vertical airflow ideal for whole chickens and thick cuts. The GFO240S uses a slanted oval lid, keeping heat closer to the food for faster searing.
Safety Note:
While both grills are marketed as “Indoor/Outdoor,” there is an important legal distinction. The George Foreman GGR50B is ETL-certified for indoor use. While the GFO240S performs well on balconies, the GGR50B is the only model officially approved for countertop indoor grilling.
The Sink Test: Cleaning Reality
Both grills have integrated heating elements, so the plates cannot go in the dishwasher.
Author’s Pro-Tip:
If you have a divided double sink, the GGR50B’s 17-inch round plate will not lay flat and must be washed vertically. This often leads to water splashing onto countertops. The GFO240S fits far more easily in standard sinks and is less frustrating to clean.
Final Verdict: Which One Should You Buy?
Choose the George Foreman GGR50B if:
- You cook whole chickens or thick roasts
- You want a grill for regular indoor use
- You need extra vertical cooking space
Choose the George Foreman GFO240S if:
- You live in an apartment or condo
- You mostly grill burgers, steaks, and vegetables
- You want a grill that’s easy to store and clean
Frequently Asked Questions
Is the George Foreman GGR50B safe for indoor use?
Yes. The GGR50B is ETL-certified for indoor cooking and designed to be used safely under a standard kitchen range hood.
Does the George Foreman GFO240S produce less smoke?
Yes. In testing, the GFO240S produced lower average PM2.5 levels, making it ideal for balconies and smoke-sensitive environments.
Are both grills PFOA-free?
Yes. Both models use George Tough PFOA-free nonstick coating, making them safe for high-temperature indoor grilling.
Can you put George Foreman grill plates in the dishwasher?
No. Both models have built-in heating elements, so plates must be hand-washed.

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