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 $5,613The CMA E-AH-EXT and the KoolMore KM-HTD-HT are evenly matched, rated 3.3 and 3.3. The KoolMore KM-HTD-HT wins on value. The KoolMore KM-HTD-HT costs $1,064 less ($4,549 vs $5,613).
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.
A low-cost high-temp hood dishwasher sold on Amazon, rated for 40 racks an hour. Its maker publishes little beyond speed, so buyers have to take its efficiency on trust.
Amazon $4,549Which should you buy?
- Choose the KoolMore KM-HTD-HT for value ($113.72 per rack an hour ($4,549, 40 racks/h) vs $140.32 per rack an hour ($5,613, 40 racks/h)).
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 | CMA E-AH-EXT | KoolMore KM-HTD-HT |
|---|---|---|
| Overall rating | 3.3/5 | 3.3/5 |
| Value 30% | 76 $140.32 per rack an hour ($5,613, 40 racks/h) | 91 $113.72 per rack an hour ($4,549, 40 racks/h) |
| Throughput 15% | 50 40 racks an hour | 50 40 racks an hour |
| Water use 20% | 49 1 gal per rack | 50 water per rack not published (neutral score used) |
| ENERGY STAR 10% | 0 not currently ENERGY STAR certified | 0 ENERGY STAR not claimed, scored as not certified |
| Door opening 10% | 100 20.5 in door opening | 50 door opening not published (neutral score used) |
| Pumps 5% | 50 built-in chemical pumps | 50 pumps not published (neutral score used) |
| Warranty 10% | 0 warranty not published, scored as none | 0 1-year warranty |
Specifications
| CMA E-AH-EXT | KoolMore KM-HTD-HT | |
|---|---|---|
| Washing | ||
| Type | Door-type | Door-type |
| Sanitizing | Low-temp (chemical) | High-temp |
| Racks per hour | 40 racks/h | 40 racks/h |
| Shortest cycle | 90 s | 90 s |
| Water per rack | 1 gal | - |
| Door opening | 20.5 in | - |
| Rack size | 20 x 20 in | - |
| Power | ||
| Electrical | 115 V, 1-phase, 16 A | 240 V |
| Built-in booster | No | Yes |
| Wash pump | 1 hp | - |
| ENERGY STAR | No | - |
| Ventless | No | No |
| Features | ||
| Chemical pumps | Yes | - |
| Build | ||
| Width | 25.8 in | 24.2 in |
| Depth | 25.8 in | 29 in |
| Height | - | 55.5 in |
| Weight | 262 lb | 188 lb |
| Warranty | - | 1 year |
