Two of the top rated mosquito foggers are the Tri Jet ULV Non-Thermal Fogger and the Fountainhead/Burgess Prod 16443652N Propane-Powered fogger, according to reviews on Amazon. Both have different features that customers find useful.
The Tri Jet fogger works inside or outdoors, and it has a rustproof body that is easy to clean. This fogger shoots mist up to 30 feet and uses a triple nozzle to spray the insecticide where it will do the most good. As of June 2015, this product has a solid 5-star rating on Amazon.
With more than 150 5-star ratings, the Fountainhead/Burgess fogger sells for around $200 and holds up to 40-ounces of fogger insecticide. When sprayed outside, the fogger efficiently eliminates mosquitos for up to 6 hours.