Use the links to the right to learn more about the lines represented by R.W. Engineering, Inc. You can use the hotlinks by each line to learn more about that particular line on their company website.

Hartzell is the industrial ventilation expert producing high quality, efficient and innovative ventilation solutions for a wide variety of industries and applications. Products include fans for general and process ventilation including a complete line of Axial, Centrifugal Fans And Blowers, an extensive Fiberglass product line, a complete offering of make up air equipment and a full range of accessories and custom products as required.

Our unique "HRS" Hartzell rapid ship program can supply equipment from our extensive ( over 2,000 ) units in stock from 24hrs. To our "BTO" built to order program, shipped in 5,10 or 15 days.

For the most complete line of dependable, high performance, unique and energy saving Louvers, Dampers, And Roof Eqipment Supports, backed by a staff of trained professionals who know and care about application and installation requirements, and sales representatives to help you with product selection , please hotlink to the main website. There you can view drawings, selection and engineering info.

• combination louver/dampers
• extruded aluminum louvers
• fabricated metal louvers/dampers
• penthouses
• backdraft dampers
• architectual louvers

Standard delivery is 10 working days, with expedited delivery programs available.

A complete line of industrial heavy duty control dampers, louvers and specialty products . Aluminum,steel, stainless and fiberglass construction available. With hi-pressure and lo-leakage no problem.

The largest, most complete line of infra-red heating equipment in the world . Offering our award winning: 2 stage tube heaters,hi-intensity, unitary tube heaters and std. and custom vacuum heating systems for the industrial and commercial markets. Natural gas, propane and electric fired, with efficiencies unsurpassed. Stainless steel construction available.

Some applications include:

• Agricultural Buildings
• Aircraft Hangars
• Auto Service
• Body Shops
• Factories
• Farm Buildings
• Fire Stations
• Foundries
• Sports Facilities
• Loading Docks
• Tool Shops
• Truck Terminals
• Warehousing
• Wash Bays
• Water Treatment

Engineering,design, specifications, parts and i.0.&m's as well as downloadable cad drawings are availble at the hotlink referenced above

Your Heating Solution - "We Ship The Heat In A Week"

Built for the demanding requirements of the oil, gas , process and waste water treatment industries. These heavy duty: steam, hotwater and electric heaters have an application in the most severe environments. Stainless steel "wash down" heaters or specialty materials are available. "xp" units and thermostats are standard options.

Let Rupp-Air Management systems over 35 years of experience help solve your heating and ventilation needs. Quick deliveries are a priority.

Industrial & Commercial Hi- Eff. Direct Fired Gas Systems.

• tempered make up air
• total heating
• biuilding pressure control
• high temp. Curing
• paint booths
• water treatment plants

Modular Make Air Systems

• untempered air handling
• direct fired
• indirect fired
• hot water
• evap., c.w. & dx cooling
• electric heating
• variable air volume

Ventilation Systems

• upblast centrifugal
• axial/radial fans
• utility sets
• supply fans

Industrial/commercial and custom air handlers, make up air equipment. From the smallest to largest application with: Hw,Cw Evaporative Cooling Dx And Ammonia systems. Natural gas and electric .

• horizontal
• vertical
• direct fired
• indirect fired
• vav systems
• air rotation
• hi eff. Filtration
• ddc control

Formed in 1960, The Coil Company has emerged as a leader in heat trasnfer technology and products. Through engineering and service dedicated to the diverse needs of retrofit and new applications worldwide. Coil Co. application engineers offer the experience and knowledge to solve virtualy any range of heat transfer problems-fast and on spec.

*Custom Replacement Coils Our Specialty*

• Steam Coils
• Hot Water Coils
• Chilled Water Coils
• Evaporator Coils
• Condenser Coils
• Booster Coils
• H.D. Industrial Coils
• Air Handlers
• Process Heaters

Product recovery & air pollution control for industry, ull range manufacturer of media dust collection & product recovery equipment.

• Cyclone Systems
• Fabric Jet Pulse Baghouses
• Small Unit Pulse&Shaker Collectors
• Reverse Pulse Baghouses
• Insertable Filters & Collectors
• Hi- Eff. Cartridge Collectors
• Boothwall Filtered Enclosurers

A full line media dust & oil mist collection equipment company, from 200 to 20,000 cfm. oil mists & lubricant control & recovery. Specializing in the wood & metal working industries, vo-tech shops etc.

• blow thru cyclones
• pull thru cyclones
• after filters
• baghouses
• oil/lubricant control & recovery
• specialized hoppers, stands
• rotary valves

Since 1947, Trion has been effectively cleaning indoor air for clients as demanding as the U.S. Navy submarine fleet and providing quality innovative products for environmental control in the industrial & commercial markets.

Product recovery, employee health & taking care of our environment. Using the latest electrostatic & media technology.

• Kitchen Hood Exhaust
• General Hvac Filtration
• Metal Working & Machining
• Plasticizers
• Welding & Fabrication
• Dust Collection
• Electrostatic Eqpt.
• Media Eqpt.

A full line of fume & particulate scrubbers & collectors. Featuring some of the most innovative and cost effective equipment solutions today.

• "Whirl-Wet" Wet Dust Collectors
• Vertical Packed Bed Scrubbers
• Horizontal Scrubbers
• Unique Fume Washers
• Specially Designed Scrubbers
• Hi-Tech. Emergency Scrubbers
• Process Tanks & Accessories
• Frp Blowers

Laser welded clamp together duct and fittings for all applications, from light to heavy gage duct or moderate to severe process applications.

• Air Movement
• Fume & Oil Mist Extraction
• Materials Handling
• Dust Collection
• Pnuematic Conveying
• Paper & Packaging
• Custom Assemblies
• Stainless Steel Construction

Full line , American made, variable frequency controls & equipment for American industry. All sizes and enclosures. Data sheets, equipment selection, parts, cad drawings, I.O.&M and reference guides available on the main website hotlinked above.

The AQC Division offers a full range of robust dust collection and source capture equipment at the leading edge of technology with an efficient and functional design, developed to provide significant operating savings through the equipment's entire life cycle.

With diameters up to 24 feet, HVLS fans solve air quality problems by circulating large air masses seamlessly. The design, mechanics, and size of HVLS fans yield unique advantages that no other technology can match.

• Highly Energy Efficient
• Full, Encompassing Air Circulation
• Effects Air to Cool, Warm, and Comfort People
• De-stratisfies Heat Layers for Winter Comfort
• Promotes Healthier Air Quality
• Outstanding Coverage Without Drafts
• Keeps Wet, Moist Areas Dryer
• Decreases Bacteria, Mold, Mildew and Spoilage
• Improves Livestock Comfort and Performance
• Deters Birds, Bugs, and Flying Insects
• Reduces Heat Stress
• Long Life Mechanical Efficiencies

Air Door Applications- Berner offers the most complete line of air doors available. No matter what your door needs may be, Berner has models accomodating 24"-192" wide openings including service doors, shipping doors, customer entry doors, drive-up windows and cooler doors.