I stayed here 2 nights in order to join the open house for Carleton Uni. Each room I stayed (10 person the first night, 4 person the second night) was quiet and very respectful, however there was noise the second night from a nearby room. The noise from that nearby room carried on until 1AM, even though everyone was supposed to be quiet after 11PM.
I used a locker to keep my stuff safe in my room, however if I had a full suitcase with me, I likely would've kept it locked up downstairs with the very friendly staff.
The breakfast wasn't great, but the fact I got unlimited free breakfast for a $33 night stay was amazing in and of itself. There were 3 types of rather stiff bagels, 2 brands of cereal, earl grey and green tea, regular and decaff coffee (with cream and milk, there may have been sugar but I don't use it), eggs, rather dry hash browns, and various meats (I'm don't eat meat so I didn't keep track of those very well).
The beds are small, so I can't recommend the 10 or 4 person stay to anyone taller than 6'1 or 6'2. The beds are also bunkbeds, and are somewhat squeaky, but I didn't have much trouble sleeping at all as most people are quiet and respectful. The beds were very clean however, and they even provide you with a towel, so you don't have to bring your own unless you really want to.
I felt safe both nights, there were spaces on the bottom(ish) floor for me to do my work, it seemed like a fun environment for groups, and there was a free prison tour included!