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Should I get a high temperature or low temperature commercial dishwasher?


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Frederick Lam from BigTray

High temperature dishwashers use high heat water temperature to sanitize dishes, so you will pay more in electricity due to the booster heater it has built-in.

Low temp dishwashers need to utilize chemical sanitizer that you will need to buy in order to sanitize the dishes.

It really comes down to preference

Oct 16, 2013

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Russell Zipkin from ChefsFirst

Basically low temp. machines run on 115V and you will need to supply detergent, rinse aid and sanitizing chemicals to the machine for every load.  Over time, this adds up in chemical costs. The chemical cost vs electrical cost will be higher over time.

High temp machines run on 208/240V and boost your incoming water temp., usually either 110 or 140 degree F,  to 180 degrees for the sanitizing phase. This passes health codes. You still need detergent and rinse aid but this eliminates the chemicals for sanitizing.  180 degree water kills all bacteria. 

There is another lesser discussed benefit of high temp machines. Once the door is opened the dishes evaporate dry almost instantly.  With low temp machines, you may need to let the dishes air dry for awhile or wipe them down.  This is a big time savings.

Apr 7, 2015

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Jacob T from Myers Restaurant Supply

Both low and high temperature dish machines require a detergent and a rinse aid of some kind.  A low temp machine also requires a chemical sanitizer which can add up over time in cost.  A high temp dish machine uses 180 degree water to sanitize.  There will often be additional costs associated with high temp sanitizing because you are using more power for the machine and have to pay power to heat your water to that temperature.  The cost difference is mostly negligible.  A low temp machine will usually struggle with difficult cleaning jobs, particularly greasy dishes or lipstick.  The main advantage of a low temp machine is that it will run on 115 volt electricity and will usually not require your electrician to change any wiring (though you will want to verify that your breaker has the right amp level).  A high temp machine usually runs 208 volt electricity which does require a little extra effort on the part of the electrician but typically does a much better job getting your dishes clean.  There can also be odor and flavor associated with a chemical sanitizer which is very important to consider if serving wine or craft beer.  Wineries are very concerned about this and should always attempt to use a high temp machine if possible.

Apr 30, 2015

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Michael Newman from CKitchen / E. Friedman Associates

I almost always recommend High Temp Warewashers.  What people do not realize is there are additional costs for running a warewasher; such as detergent and other chemicals.  If you order a low temp unit you will also have to purchase a sanitizing chemical.  From what I have seen this chemical is usually more expensive than the cost of hot water (hot water sanitation).

Mar 25, 2015

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