Hobart Centerline CDH-1
#3 in Door-typeFull review
A high-temp door-type dishwasher with a built-in booster for restaurants washing 50 racks an hour. Its listed price is high for a Centerline machine.
Amazon $11,872$11,872
The Hobart Centerline CDH-1 is the better commercial dishwasher overall, rated 3.6 to 3.3. The Hobart Centerline CDH-1 leads on ENERGY STAR, water use and throughput. The CMA E-AH-EXT wins on value and door opening. The CMA E-AH-EXT costs $6,259 less ($5,613 vs $11,872).
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.
CMA E-AH-EXT
#6 in Door-typeFull review
A low-temp door-type dishwasher that plugs into a 115 V circuit and has the tallest door here, for kitchens that wash big pots. It trades water use for a low price.
Amazon $5,613$5,613
Which should you buy?
- Choose the Hobart Centerline CDH-1 for ENERGY STAR (ENERGY STAR certified vs not currently ENERGY STAR certified), water use (0.7 gal per rack vs 1 gal per rack) and throughput (51 racks an hour vs 40 racks an hour).
- Choose the CMA E-AH-EXT for value ($140.32 per rack an hour ($5,613, 40 racks/h) vs $232.78 per rack an hour ($11,872, 51 racks/h)) and door opening (20.5 in door opening vs 18 in door opening).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every door-type commercial dishwasher; a clear win is highlighted. How we rank explains each one.
| Factor weight | Hobart Centerline CDH-1 | CMA E-AH-EXT |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Value 30% | 39 $232.78 per rack an hour ($11,872, 51 racks/h) | 76 $140.32 per rack an hour ($5,613, 40 racks/h) |
| Throughput 15% | 78 51 racks an hour | 50 40 racks an hour |
| Water use 20% | 77 0.7 gal per rack | 49 1 gal per rack |
| ENERGY STAR 10% | 100 ENERGY STAR certified | 0 not currently ENERGY STAR certified |
| Door opening 10% | 80 18 in door opening | 100 20.5 in door opening |
| Pumps 5% | 50 drain pump | 50 built-in chemical pumps |
| Warranty 10% | 0 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Hobart Centerline CDH-1 | CMA E-AH-EXT | |
|---|---|---|
| Washing | ||
| Type | Door-type | Door-type |
| Sanitizing | High-temp | Low-temp (chemical) |
| Racks per hour | 51 racks/h | 40 racks/h |
| Shortest cycle | - | 90 s |
| Water per rack | 0.7 gal | 1 gal |
| Door opening | 18 in | 20.5 in |
| Rack size | 19.75 x 19.75 in | 20 x 20 in |
| Wash tank | 7.9 gal | - |
| Power | ||
| Electrical | 208-240 V, 1-phase, 31.7 A | 115 V, 1-phase, 16 A |
| Built-in booster | Yes | No |
| Booster heater | 6.5 kW | - |
| Tank heater | 5 kW | - |
| Wash pump | 0.8 hp | 1 hp |
| ENERGY STAR | Yes | No |
| Ventless | No | No |
| Features | ||
| Chemical pumps | No | Yes |
| Drain pump | Yes | - |
| Build | ||
| Width | - | 25.8 in |
| Depth | - | 25.8 in |
| Height | 62.9 in | - |
| Weight | 210 lb | 262 lb |
| Warranty | 1 year | - |