Sharp R-21LTF
#2 in Under 1,200 WFull review
A 1,000 W, 1.0 cu ft programmable commercial microwave for cafes and server stations. It adds 20 programs, 11 power levels and a two-year parts and labor warranty to the R-21L design.
Amazon $540$540
The Sharp R-21LTF is the better commercial microwave overall, rated 3.3 to 2.6. The Sharp R-21LTF leads on programmability and capacity. The Crosson CMO-25L costs $160 less ($380 vs $540).
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.
Crosson CMO-25L
#10 in Under 1,200 WFull review
A 1,000 W, 0.9 cu ft UL and NSF listed microwave for offices and light cafe use. It has preset menus and multi-stage cooking, but publishes no warranty or electrical draw.
Amazon $380$380
Which should you buy?
- Choose the Sharp R-21LTF for programmability (20 programs, 3 stages, 11 power levels vs 10 programs, 3 stages, 5 power levels) and capacity (1 cu ft cavity vs 0.9 cu ft cavity).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every under 1,200 W commercial microwave; a clear win is highlighted. How we rank explains each one.
| Factor weight | Sharp R-21LTF | Crosson CMO-25L |
|---|---|---|
| Overall rating | 3.3/5 | 2.6/5 |
| Power 25% | 8 1,000 W output | 8 1,000 W output |
| Capacity 15% | 71 1 cu ft cavity | 57 0.9 cu ft cavity |
| Programmability 25% | 72 20 programs, 3 stages, 11 power levels | 51 10 programs, 3 stages, 5 power levels |
| Duty rating 15% | 50 maker rates it medium duty | 50 duty rating not published (neutral score used) |
| Warranty 20% | 65 2-year parts and labor, 3 years on the magnetron | 0 warranty not published, scored as none |
Specifications
| Sharp R-21LTF | Crosson CMO-25L | |
|---|---|---|
| Cooking | ||
| Output power | 1,000 W | 1,000 W |
| Duty rating | Medium | - |
| Cavity | ||
| Capacity | 1 cu ft | 0.9 cu ft |
| Inside dimensions | 13.9 x 14.6 x 8.1 in (W x D x H) | - |
| Interior | Stainless steel | Ceramic base |
| Controls | ||
| Controls | Touch | Touch |
| Stored programs | 20 | 10 |
| Cooking stages | 3 | 3 |
| Power levels | 11 | 5 |
| Braille keypad | Yes | - |
| Door handle | Trigger handle | - |
| Electrical | ||
| Voltage | 120 V | - |
| Plug | NEMA 5-15 | - |
| Input power | 1,600 W | - |
| Current draw | 14 A | - |
| Build | ||
| Outside dimensions | 20.5 x 16 x 12.1 in (W x D x H) | - |
| Weight | 37 lb | - |
| Certifications | - | UL, NSF |
| Parts and labor warranty | 2 years | - |
| Magnetron warranty | 3 years | - |