Markair has been my primary fan and HVAC supplier for the past 10 years. They always help me to select the best product for the application and resolve any challenging project that require customization. Their specialists specially Jason have outstanding knowledge of their products. They are always willing to support me regardless size and difficulty of the projects which make them stand out from other sale reps. If you want to assure the success of your projects, then I would strongly recommend Markair.