RSI is your primary contractor for any ventilation cleaning, sealing, or multi family exhaust ventilation building performance/energy performance retrofit work throughout the Tri-State Region. RSI has the capabilities to video, inspect, clean, mastic seal, robotic mastic seal, fire caulk, Aeroseal, conduct manometer and anonometer readings, install CARs, provide pre and post reporting with documented leakage reports, videos and snapshots. We are twenty five technicians strong, better equipped, better trained, and have over 25 years of successful projects in this business. RSI provides the highest quality product for your customers at the most competitive prices.