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www.sjrafferty.com 2144 Priest Bridge Court, Suite 3 • Crofton, MD 21114 Office: (410) 721-4005 • Fax: (410) 721-4009 • Cooling, heating and heat recovery coils by leading manufacturers • Direct replacement coils – Optional split coil construction • Cooney Freeze Block Coils Coils • Electronic airflow control valves (AccuValves) for critical environments • Fume hood controls • VorTek digital airflow measurement for fan inlets & ducts (vortex shedding) • IAQ-Tek outdoor airflow measurement system • Bladder type pneumatic airflow control valves (Pneumavalves) Accutrol www.accutrolllc.com • Radiant waves, modules, extrusions and ceilings • Active and passive chilled beams Barcol-Air www.barcolairusa.com • Tunnel ventilation fans (centrifugal, 100% reversible axiaI fans and jet fans) • Industrial and mechanical draft fans (centrifugal and axial) Clarage www.clarage.com • Custom FRP air handling units, plenums and enclosures • Lifetime warranty against corrosion Composite Air Design (C.A.D.) www.compositeairdesign.com COMPOSITE AIR DESIGN • No field-weld laboratory exhaust ductwork pressure decay tested to ASME N510 • No field-weld NFPA 96 grease duct systems • UL listed fire and blast resistant ductwork – No wrap required • Fire enclosures, blast enclosures and underground corrosion resistant DuraSystems www.durasystems.com • MAC 10 Series Fan Filter Units (FFU) ➤ Standard or room-side replaceable (RSR or RSRE) ➤ Constant or variable airflow ➤ AC or EC motors (ECM) Envirco www.envirco-hvac.com • Bag-In/Bag-Out (BIBO) containment filtration housings/systems • Bubble-tight isolation dampers • ASHRAE, HEPA and HEGA filters, frames and housings • Ultra-low pressure drop filters • Cleanroom filtration equipment Filtration Group www.filtrationgroup.com • Humidification and evaporative cooling systems utilizing pump units and water atomizing fog nozzles • Optional water treatment systems • No compressed air required GoFog Inc. www.gofoginc.com • Energy recovery wheels for new installations • Repair or replacement of existing energy recovery wheels • Free inspections and estimates • Turnkey retrofit service available Thermotech www.thermotech-usa.com • HVAC silencers, industrial silencers and acoustical louvers • Noise control and vibration isolation roof curbs • Acoustical enclosures • Double wall panels for plenums, enclosures, barriers and built-up AHUs • Free Silencer Application and Selection Services (Acoustical Analysis) Vibro-Acoustics www.vibro-acoustics.com • Custom and semi-custom indoor and outdoor AHUs • State-of-the-art knockdown construction for site-built projects • Field assembly, testing and startup services available Ingenia www.ingeniatechnologies.com • High-performance energy recovery system • Guaranteed performance / energy savings • Remote performance monitoring Konvekta www.konvekta.ch • High plume dilution laboratory exhaust fans (Axijets) – FRP or coated steel • Corrosion-resistant FRP fans, plenums and dampers • Perchloric acid fume hood exhaust systems M.K. Plastics www.mkplastics.com • Demand control ventilation fan systems for parking garages Systemair www.systemair.com • Complete line of commercial and industrial fans • Widest range of laboratory exhaust fans available Twin City Fan & Blower www.tcf.com Manufacturers represented in Maryland, Washington DC and Virginia 03/19
