Kennels look great, Adam.
Mine are on a septic system, so I have to be very cautious about what chemicals I use to clean. I've tried several, and always go back to a simple water wash down daily, with a dawn dish soap scrub down about once a month.
For smell, nothing I've found beats this:
http://www.amazon.com/Kennel-Odor-Eliminator-16-ounce/dp/B003OF6OPI/ref=sr_1_1?ie=UTF8&qid=1433451315&sr=8-1&keywords=koeMixed, and misted lighty over the kennels using one of these:
http://www.harborfreight.com/car-wash-nozzle-60773.html