Suncourt has been manufacturing products that provide better air quality and control since 1988. We are a family owned manufacturing business located in Durant, Iowa. Our engineered products improve indoor air quality and comfort in a smart, efficient, energy saving way. Our R&D team places a large focus on innovation and is continually looking to improve existing products as well as develop new ones. Our product line includes: ZONEMASTER ZONE CONTROL DAMPERS - Saves money on heating and cooling by controlling temperatures in individual rooms and/or zones. Our new model has an adjustable motorized damper. IN-LINE DUCT FANS - Booster Fan that boosts airflow to rooms that are too hot or too cold. CENTRAX IN-LINE CENTRIFUGAL FANS - Creates high volume and pressure to push air to desired area. Rated for use indoor/outdoor. Exhaust, ventilation or in-line for residential, light commercial, or greenhouse applications. ENTREEAIR DOOR FRAME FANS - Safe, efficient and effective way to circulate warm or cool air from room to room. CENTRAX DRYER BOOSTER KIT - Ideal for solving residential, commercial and industrial dryer vent problems. CENTRASENSE CERTIFIED UL705 DEDPV CLOTHES DRYER BOOSTER FAN - Our DEDPV Dryer Fan solves electric dryer vent problems while meeting the IRC2015 Building Code. CENTRAX Radon Mitigation Kit w/ Couplers & Air Pressure Indicator - Effectively reduce radon related health risks to you and your family SUNCOURT REGISTER BOOSTER - Increase airflow to underperforming registers improving comfort to rooms that are too hot or too cold. THE THRUWALL ROOM TO ROOM FANS - Balance temperature in adjoining rooms quietly and efficiently for year-round comfort. Additional products include our Suncourt Rubber Couplers, Suncourt Controllers, DuctStat Plug-In Temperature Sensitive Switch Suncourt products are listed by Underwriters Laboratories Inc. UL and/or by ITS Intertek Inc. ETL Semko for your safety and protection.