The Greystone 1.1 cu ft convection built-in, for owners replacing the factory unit like for like.
Amazon $306.66The Greystone 1.1 cu ft Convection Microwave rates 3.1 among convection & air fry RV microwaves; the Greystone 0.9 cu ft RV Microwave rates 3.0 among built-in ones. The Greystone 0.9 cu ft RV Microwave costs $85.26 less ($221.40 vs $306.66).
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.

The Greystone built-in that many RV makers install. Pick it to replace the same unit with no cabinet changes.
Amazon $221.40Scores side by side
These two sit in different type classes (convection & air fry and built-in), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Greystone 1.1 cu ft Convection Microwave | Greystone 0.9 cu ft RV Microwave |
|---|---|---|
| Overall rating | 3.1/5 | 3.0/5 |
| Value 25% | 49 $278.78 per cu ft ($306.66, 1.1 cu ft) | 59 $246 per cu ft ($221.40, 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) | 86 1,350 W rated input |
| Features 20% | 45 convection oven | 0 none of the listed features |
| Warranty 10% | 50 1-year warranty | 50 1-year warranty |
Specifications
| Greystone 1.1 cu ft Convection Microwave | Greystone 0.9 cu ft RV Microwave | |
|---|---|---|
| Cooking | ||
| Mounting | Built-in | Built-in |
| Modes | Microwave, convection | Microwave |
| Capacity | 1.1 cu ft | 0.9 cu ft |
| Cooking power | - | 900 W |
| Power | ||
| Rated input | - | 1,350 W |
| Rated current | - | 15 A |
| Voltage | 120 V AC | 120 V AC |
| Fit | ||
| Outside (W x H x D) | 21 x 11 x 15.8 in | 19 x 12 x 14 in |
| Trim kit | Sold separately | Sold separately |
| Size with trim (W x H) | 24.2 x 18.2 in | 23.5 x 15.1 in |
| Weight | 41 lb | 30 lb |
| Support | ||
| Warranty | 1 year | 1 year |