Manufacturers Mechanical Sales SD/Pear Inc. Represents over 70 HVAC manufacturers in the Upper Midwest Roof Hoods, Louvered Penthouses, and Roof Curbs UL Dampers, Control Dampers, Industrial Dampers, and Louvers Heat Pipe Heat Exchangers Commercial Packaged Rooftop and Split Systems, DOAS Units Radiant Ceiling Panels and Ceiling Systems Industrial and Commercial Centrifugal, Mixed Flow, Lab Exhaust, Axial fans, Utility Sets and Make-Up Air Units. Custom Grow Room Dehumidification Solutions & Design Support Vertical Unit Ventilators, Hydronic Unit Heaters, Fin Tube Radiation Underfloor Air Distribution Solutions, Trench Heaters, Underfloor Diffusers. Plate and Wheel Energy Recovery Ventilators, Constant Airflow Regulators Shell and Tube Heat Exchangers, Expansion Tanks, Suction Diffusers, Triple Duty Valves, Air Separators. Louvers & Dampers. Bi-Polar Ionization Air Purification Technology. High Volume Low Speed (HVLS) Fans Custom Indoor Air Quality Solutions HEPA Filter Housings. Superblock Heat Exchanger Technology. Kitchen Ventilation Hoods and Make-Up Air Units; Factory Welded Grease Duct. Floor-mounted Chilled Beam Induction Cabinets Utilizing Displacement Ventilation. Fixed Plate Energy Recovery ventilators with passive defrost technology. Room Pressure Controllers/Monitors & Closed Loop Air Flow Valves for Laboratories, Isolation/Operating Rooms, and Clean Rooms. Chilled Beams using induction nozzle technology Variable Frequency Drives & Soft Starters Indoor pool and general purpose dehumidification. HDPE, Seamless, Corrosion Proof Cooling Towers. Custom Water, DX, and Steam Coils, Coil Coatings, Fluid Coolers. Gas, Electric, and Evaporative Humidifiers, Water Treatment Systems Venting and Boiler Flue, Grease Duct Systems. Spiral Duct, Self-Sealing Duct, Connectors, and Fittings. Architectural and Thermal Diffusers. Clean Air Technologies - Fan Filter Units. Water to Air & Water to Water Heat Pumps Commercial and Industrial Custom HVAC Systems Full Range of Pumping Systems including in-line, end suction, distributed pumping, expansion tanks, air separators, suction diffusers. Gas, Electric, Hydronic, & Oil Fired Heating/Ventilating & Make-Up Air Units, LP and Natural Gas Unit Heaters & Duct Furnaces Automatic Flow Control / Balancing Valves, WSHP Hose Kits, Coil Piping Packages. Automatic Flow Control / Balancing Valves, WSHP Hose Kits, Coil Piping Packages, Condensate Hose Kits Leaders In Airflow Management, Fan Wall Technology, Custom Manufacturing Air Handling Units and CLEANSUITE Operating Room Systems. Air Turnover Units, Make-up Air Units Premier Gas Detection Solutions Modular Water and Air Cooled Chillers, Heat Recovery Chillers, Split System Chillers and Condensing Units Leaders in fabric duct systems including Safetrack 360 which eliminates the POP on startup. Packaged Rooftop and DOAS System, Unit Heaters. Unit Heaters, Fin Tube Radiation, Unit Ventilators Quick Clamp Ducting Induction chilled beams Commercial Boilers - Stainless Steel Hi-E Condensing Boilers and Conventional Cast Iron Boilers. Commercial and Industrial Exhaust Fans and Ventilators Corrosion Resistant Fiberglass Reinforced Plastic Lab & Exhaust Fans Welding, Cutting, and Vehicle Exhaust Extraction Systems Plate + Frame and Brazed Plate Heat Exchangers, Fresh Water Generators. Commercial, Industrial, and Specialty Air Curtains and Doors Electric Unit Heaters, Electric Cabinet Unit Heaters, Electric Wall Heaters Combination and Stationary Louvers & Dampers, Life safety Dampers Heat Pump & Heat Recovery VRF Systems, Low ambient Ducted and Ductless Split Systems Fiberglass Reinforced Plastic (FRP) Ductwork and Fittings Centrifugal and Axial Fans, Air Circulators, Energy Recovery Ventilators, and Roof Hoods. Full Line of Watertube, Firetube, & High Capacity Condensing Boilers Gas-Fired and Electric Radiant Heaters, Process and Agricultural Heaters, and Patio Heaters. Gas Unit Heaters, Hydronic Unit and Cabinet Unit Heaters, Fin Tube Radiation, Radiant Ceiling Panels Precision Indoor Cooling, Computer Room Air Conditioners (CRAC) and Air Handlers (CRAH) Modular Chillers and Heat Pumps with Packaged Controls and Pump Packages. Commercial and Industrial Custom Air Handling Products. Grilles/Registers/Diffusers, Displacement Systems, Under Floor Air Distribution, Chilled Beams, Air Terminal Units, & Fan/Blower Coils. Electric Duct Heaters, Custom Electric Heating Solutions Air Conditioning Systems for Diverse and Specialized Applications with Numerous Configurations. Louvers, Screens, Dampers, Penthouses, Roof Vents, Curbs, Specialty Grilles, Access Doors, and Duct Accessories. UV-C for Air & Water. Commercial HVAC silencers, industrial fan silencers, turbine silencers and filtration systems. Heat Recovery Air Handing Systems, Sensible Energy Recovery (Plate & Pipe), Total Energy Recovery (Wheel & Plate). Commercial and Industrial Custom Air Handling Products. Water Source & Geothermal Heat Pumps, Indoor Water Source DOAS Units, Modular Chillers and Heat Pumps Buffer Tanks, Expansion Tanks, Air, Hot Water Storage Tanks, all made In Sioux Falls, SD. Full line of chillers, air handling units, roof top units, condensing units and terminal units of all types - REPRESENTED IN PARTNERSHIP WITH PEAR INC