Tough Grade TG-4 RV Convection Microwave
A Greystone-size convection microwave sold with its trim kit. The missing wattage figures make it harder to plan around an inverter.
Amazon $329.99$329.99
The Tough Grade TG-4 RV Convection Microwave is the better RV microwave overall, rated 3.3 to 2.8. The Tough Grade TG-4 RV Convection Microwave leads on value, capacity and features. The Tough Grade TG-4 RV Convection Microwave costs $29.01 less ($329.99 vs $359).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Contoure RV-955SSAF Air Fryer Microwave
A small built-in that adds air frying and convection baking to an RV galley. Buy the matching trim kit for a cabinet install.
Amazon $359$359
Which should you buy?
- Choose the Tough Grade TG-4 RV Convection Microwave for value ($299.99 per cu ft ($329.99, 1.1 cu ft) vs $398.89 per cu ft ($359, 0.9 cu ft)), capacity (1.1 cu ft vs 0.9 cu ft) and features (convection oven, installs with no extra parts vs convection oven, air fry).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every convection & air fry RV microwave; a clear win is highlighted. How we rank explains each one.
| Factor weight | Tough Grade TG-4 RV Convection Microwave | Contoure RV-955SSAF Air Fryer Microwave |
|---|---|---|
| Overall rating | 3.3/5 | 2.8/5 |
| Value 25% | 42 $299.99 per cu ft ($329.99, 1.1 cu ft) | 19 $398.89 per cu ft ($359, 0.9 cu ft) |
| Capacity 15% | 30 1.1 cu ft | 10 0.9 cu ft |
| Cooking power 15% | 50 output wattage not published (neutral score used) | 67 900 W cooking power |
| Input draw 15% | 50 input wattage not published (neutral score used) | 50 input wattage not published (neutral score used) |
| Features 20% | 80 convection oven, installs with no extra parts | 65 convection oven, air fry |
| Warranty 10% | 50 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Tough Grade TG-4 RV Convection Microwave | Contoure RV-955SSAF Air Fryer Microwave | |
|---|---|---|
| Cooking | ||
| Mounting | Built-in | Built-in |
| Modes | Microwave, convection | Microwave, convection, air fry |
| Capacity | 1.1 cu ft | 0.9 cu ft |
| Cooking power | - | 900 W |
| Turntable | - | 10.5 in |
| Power | ||
| Rated current | - | 9.6 A |
| Voltage | 120 V AC | 120 V AC |
| Fit | ||
| Outside (W x H x D) | 21 x 11 x 15.8 in | 19.5 x 11.4 x 15.6 in |
| Trim kit | Included | Sold separately |
| Size with trim (W x H) | 24.2 x 18.2 in | - |
| Weight | 41 lb | - |
| Support | ||
| Warranty | 1 year | - |