Affordable. Experienced. Gun Range Ventilation was founded to provide the highest quality products and expertise to design and install Indoor Gun Range Ventilation systems at affordable prices. Our CEO, Thomas Wirthlin, has over 20 years experience with design and construction as a General Contractor, has designed and constructed indoor gun ranges and range ventilation systems across the country, and is also the CEO of Rangemaster, LLC which owns and operates indoor gun ranges. GRV Engineers have over 58 years of combined experience in process air systems for control of toxic fumes and exhaus (less)