Summary: Unit well designed and reliable , company customer service is very understanding and helpful that counts most. Unit designed for Coffee brewing not for stand alone Hot water maker , coffee beans have oils that keep unit interior surface coated protecting interior from any deterioration. heating coils and safety components of best quality.
Summary: I would prefer no stars but I'm just working with this rating system. This machine works, as in, the water becomes and remains hot. It even comes out nicely and generously from the spout. The problem came about after using this machine for awhile. The water started tasting foul and I opened the lid and peered into the top (I usually simply refill without looking) only to see what looked like large pieces of debris and clumps of metal shards.
Summary: Very impressed with delivery time - even though I was given dates approximately a week to 10 days after my order for shipping, the unit arrived at my home just two days after I had ordered it. Superb service. We are impressed with the coffee urn - it's just what we needed. Everyone made comments, the first day of use, that the coffee even tasted better.
Summary: As other reviews have noted, this urn is a good deal, but has one significant design flaw. The stainless steel interior is nice so it doesn't leave a taste like aluminum. It brews 40 cups in a half hour. The flaw is the spout. First, it's an unusual design. You have to squeeze the two part-handle (two flaps), and then gently press it down. Too far and nothing comes out; not far enough, ditto.
Summary: This Aroma ACU-140S doesn't heat the water hot enough to make coffee. We are very disappointed and will try to return it. We had a previous model from Aroma that worked great for over five years and this unit is brand new and can't do the job.
Summary: My workplace has always used Aroma coffee urns for its special events and receptions. I was completely satisfied with their performance so when our older model units broke down after years (and years!) of faithful service, I happily purchased some of the ACU-140S units. Overall I consider them to be of lower quality than their predecessors. The front section pieces are flimsy; the logo and cup measurement pieces needed to be reattached almost immediately.
Summary: I could not use this because I wanted an urn for just hot water. The instructions said it was dangerous to use the appliance this way -- it is for coffee. Wish I had known that -- so I returned it. Might be good for coffee.