Capitol R & D, Inc. - 917 9th Street West Des Moines, IA 50265

Water Furnace International
Reduce your carbon footprint and utility bills at the same time. WaterFurnace geothermal systems use the free, renewable energy found in your own back yard to save up to 70% on heating, cooling, and hot water costs.
High Efficiency Geothermal Heat Pumps, Water-to-Water Heat Pumps, Boiler/Tower Heat Pumps, and Modular Chillers.

Zehnder Rittling & Rittling Radiator
Zehnder Group is a successful international group based in Switzerland with strong family ties. Our brands stand for innovation, design and reliability. We create sustainable value for customers.
Fin Tube Radiation, Convectors, Cabinet Unit Heaters, Fan Coil Units, Unit Heaters, Linear Radiant Ceiling Panels, Architectural Radiators.

Burners – Gas and Oil
Stainless Steel Condensing Water Boilers
Array Packaged Multiple Boilers to 4,000 mbh 10:1 Turndown to 40:1 Turndown
RTC High Mass Fully Condensing Gas, Oil and Gas/Oil to 10,000 mbh

Condensing Firetube Boilers
Water Heaters
Pool Heaters
Category 1 & 4

Peerless Boiler        
Water and Steam – Gas and Oil
Atmospheric Cast Iron to 600 mbh
Stainless Steel Condensing to 460 mbh
Atmospheric Cast Iron to 4,800 mbh
Forced Draft Cast Iron to 5,000 mbh
Stainless Steel Condensing to 1,500 mbh

Aldrich Company
Water and Steam – Gas and Oil
Vertical Boilers, Water to 83 hp and 150 psi
Vertical Boilers, Steam to 42 hp and 15 psi
Horizontal Boilers, Water - 200 hp & 80 psi
Horizontal Boilers, Steam - 200 hp & 15 psi
Boiler Feed Systems, Condensate Pumps
Blow Down Separators

Infloor Heating Systems
Hydronic Radiant Heating Systems
Electric Radiant Heating Systems
Snow and Ice Melt Systems
Solar Thermal Systems

Flow Design
Heat pump hose kits, automatic balancing and manual balancing piping packages.

Valves and actuators
Damper actuators
Variable speed drives

Modine Manufacturing Company has been a worldwide leader in thermal management since 1916.We design, engineer, test, and manufacture heat transfer products for a wide range of applications and markets. We're at work in practically every corner of the world, inside the things you see every day.
Gas Fired Unit Heaters, Duct Furnaces, Direct Fired & In-Direct Fired Make-Up Air Units, Infra-Red Heating.

Replacement Water Coils, Steam Coils, DX Coils, Booster Coils for Different Coil Manufacturers, & Stock Coils.

As specialists in the science and manufacture of electric heat products, Heatrex serves an array of national and international customers. A team approach and commitment to Total Quality, combined with encouraged customer interaction, fosters a unique and effective environment for concept development, prototype design and testing, and manufacture of top-quality products.
Types of heaters we manufacture are bolt heaters, flexible bolt, replaceable element bolt, cartridge, flanged immersion, fluid & air circulation, hopper, infrared process, railroad track switch, refrigeration defrost, replaceable element, screw plug immersion, space, switch gear space, tubular & finned element & tubular strip.

Advanced Radiant Systems
Advanced Radiant Systems offers a full range of infrared heating solutions. From your home garage to aircraft hangars; Advanced Radiant Systems can take on your heating challenges effectively and efficiently. System types include: condensing continuous, high intensity - high efficiency, high intensity - standard, modulating unitary, single stage unitary, two stage unitary, ultra high efficiency, & residential.

Specializing in hydronic and DX air supply products in many belt drive and direct drive configurations.
Unit Ventilators - Horizontal & Vertical Hydronic, Steam & DX Coils

Energy Efficient Chilled Beam and Chilled Ceilings Manufacturer serving the United States of America. FTF Group offers active(supply air) chilledbeams delivering cooling, heating and fresh air into the space to create a comfortable indoor environment. FTF Group's revolutionary passive chilled beam delivers cooling via Radiant Absorption as well as convection for the very highest levels of cooling and comfort. FTF Group designs, manufactures, supplies and installs multiservice chilled beams (MSCBs) to many of high-profile projects.
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