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Come walk the very long aisle of our Virtual Trade Show! There's much to explore here, and lots of great product ideas. If you're a manufacturer or association and you'd like to join the show, just send me a description of what you do (in 30 words or less, please) and a target URL for the link. It's free! - Dan Holohan, [email protected]


Air-to-water heat pumps/chillers – 2-1/2 to 300 tons. World’s quietest fan coils (with or without ECM motors). Heating, cooling, free cooling, 100% heat recovery, 2 or 4 pipe. COPS rivals geothermal. Read More

Allied Engineering Company

Allied Engineering Company (est. 1947) manufactures gas-fired heating boilers from 50- to 3,000- MBTU/h. Other "Super Hot" products include electric boilers, boosters and Indirectly fired water heaters in stainless steel. Read More

American Solartechnics LLC

American Solartechnics manufactures highly insulated and modular Heat Bank Storage systems for wood boiler and solar thermal heating systems in various volumes between 100 and 1100 gallons. Read More

Amtrol. Inc.

AMTROL products include water system solutions for storage, treatment, heating, expansion and flow control, along with a host of related HVAC products serving the residential, commercial, and industrial markets. Read More

Architectural Grille

Architectural Grille has found its place in all areas of construction, fabrication and interior design. The company’s products have been used for air conditioning, heating, ventilation, decorative screening, and artwork to name a few. A Read More


Controls & Electric boilers Read More

Armstrong International, Inc.

Solution source for steam, air, hot water and humidification systems. Providing system solutions through products, packages, education, analysis and service. Read More

Aspen Aerogels

Aspen Aerogels® provides thermal management and energy conservation insulation solutions. Products provide up to five times better thermal performance than traditional insulation materials. Read More

Avenir Software Inc.

The new LoopCAD software automatically creates loop layout drawings for radiant heating systems. LoopCAD stands alone, but is also AutoCAD compatible. Create floor plan and circuit design drawings in just minutes. Read More

Axiom Industries

Packaged System Feeders Read More

Azel Technologies

Azel Technologies is the manufacturer of Zone controls, Thermostats, Setpoint Controls, Digital Temperature, Solar Differential Controls for Hydronic Heating Systems. Read More


The Measurable Difference – HVACR related test instruments, tools, and equipment as well as training/application and internet technical support. “If ya’ don't test, ya' don't know.” Read More


WiseEnergy Equipment Solutions is the North American importer and distributor of the German manufactured Baunach rendeMIX. This product adds efficiency when using a condensing boiler in a two temperature system. Read More


Beacon-Morris originated the kick-space heater concept with the Twin-Flo heater in the early 60s. They also manufacture hydronic- and gas-fired unit heaters, convectors, finned-tube and other related high-quality heating products. Read More

Best Bathrooms

Fulfilling all your bathroom needs. Bathrooms, heating and plumbing all under one room. They specialise in towel rails, radiators and under floor heating products to turn any house into a warm home. Read More

Best Heating

Best heating provides aspirational heating at affordable prices. With a large selection of under-floor heating, heated towel rails, electric, convector and traditional column radiators there is something for everyone. Read More

Bock Water Heaters, Inc.

Oil-fired, power gas, atmospheric gas, indirect, and electric water heaters. Storage tanks. Hand-crafted in the USA since 1929. Read More

The Boiler Buddy from Hot Water Products, a better buffer tank providing Mass, Air Elimination, and Simple Primary/Secondary Piping for low mass/low volume boilers and geo systems. Read More

Buderus Hydronic Systems

A leading manufacturer of high-efficiency boilers, water heaters, radiant heat panels, climate controls, and accessories for homes and businesses. Read More

Cabot Nanogel

Looking for a unique, lightweight insulation solution? One that repels water, retains properties under compression, and won't interfere with, but can actually enhance design options and aesthetics? Read More

Caleffi Hydronic Solutions

Caleffi -- the Innovative Hydronics -- offers the finest hydronic components worldwide, including radiant manifolds, hydraulic separators, air vents, air and dirt separators, zone valves, thermostatic mixing valves, and components for solar heating applications. Read More

Canadian Institute of Plumbing & Heating

CIPH has been doing wonderful things for our industry since 1933. Visit their site and you'll see what I mean. Read More

Classic Grills

Fine Art Quality Handcrafted Grilles and Registers or Vent Covers Read More

CO-Experts Low Level Monitors

Genuine Carbon Monoxide protection for you, your family and your customers. Keep up to date on issues surrounding the present UL2034/CSA 6.19 standards for home CO alarms as well as concerns about the performance and reliability of alarms presently available on the market. Read More

Columbia Boiler

Since 1936, meeting all your residential, commercial and industrial boiler needs. Read More

Condensate Return Specialists, Inc.

We manufacture and distribute THE STEAMLOC® SYSTEM of tubular outlet condensate removal devices. No moving parts, lifetime warranty. Visit our website to get additional information. Read More

Construction Break Newsletter

Easy, affordable, customized quarterly newsletters for contractors that your customers will actually look forward to reading. Exclusive territories. Read More

Crown Boiler

Crown Boiler where quality is a standard feature, offers a full line of heating equipment including oil and gas fired cast iron boilers for hot water and steam. Other products include indirect water heaters, hydronic air handlers and warm air furnaces Read More


Valves and controls for the Hydronic Industry: TRVs, Electric Zone Valves, Balancing Valves, Thermal and Motorized Mixing Valves, Thermostats and a range of pre-piped, pre-wired and pre-tested Zone Control Panels Read More

Domestic Pump

Domestic Pump offers the broadest range of condensate transfer equipment in the industry. Click to learn more about condensate return, boiler feed, and vacuum heating units for steam heating systems. Read More

Dunkirk Boilers

Dunkirk's mission is to be the industry leader providing the latest and most effective boiler technology. By developing and marketing user-friendly products we will attain our goal of being the benchmark for all other industry technology. Read More

Dynatherm Boilers

Dynatherm provides the fine home heating equipment, along with complete dealer/homeowner support - a combination that can't be beat! Read More

E Instruments Group

Innovative instrumentation for industrial, institutional, and HVAC markets. A complete line: Boiler Tuning Units, Combustion Gas Analyzers, Infrared Thermometers, Instruments for Air FLow, Temperature, Pressure, Humidity, Dew Point, and DataLoggers. Read More


Manufacturer of American-made "Speed Header", standard and custom manifolds used for hydronic, radiant, steam, gas and air heat in all size pipe. Read More

Eco Stores Direct

At Eco Stores Direct, our aim is to bring you the very latest energy efficient radiators at the best prices in the UK. Read More

ECR Technologies

EarthLinked heat pumps use up to 75% renewable energy from the earth to deliver the highest efficiency heating source for hydronic or forced air distribution, and domestic water heating. Read More

Electric Heater Manufacturers

An electric heaters manufacturers directory including electric water heaters, industrial heaters, immersion heater, ceramic heater, portable electric heaters, and cartridge heaters. Read More

Energy Kinetics, Inc.

System 2000 is Energy Kinetics’ high-efficiency combined heat- and hot-water system. Available for residential and light-commercial applications with baseboard, large-water-volume radiation, radiant, snow melt, hydroair and more Read More


HVAC and Plumbing professionals can benefit from Wales–Darby's latest creation: the energyPRO Network, a comprehensive program of valuable business resources and support services. Read More

EnTech Boiler Controls

For over 15 years we have manufactured, installed and monitored boiler controls systems in thousands of buildings throughout NY/NJ/PA/CT leading the Energy Conservation industry by saving clients 15-50% on fuel consumption. Read More


ERGOMAX eliminates scaling and corrosion problems while providing a continuous stream of hot water. Can connect to boilers, solar panels, geothermal etc. Buffers low-mass boilers. 99% efficiency, made in USA. Read More

FeelsWarm Technology

FeelsWarm Technology is an integrated, ultra-thin heating element for natural stone countertops that gently raises the temperature 20 to 25 degrees, just enough to remove the initial cold sensation. Read More

FlatPlate, Inc.

FlatPlate, Inc. the U.S. leader in brazed plate heat exchanger technology, makes heat exchangers for radiant floor, domestic hot water, pool/spa heating and snowmelt and refrigeration applications. Read More


GARN WHS is a simple, efficient, and durable wood-heating unit that uses a large, hydronic thermal-storage tank to store the heat from a fast, clean, smokeless and efficient wood-burning gasification process. Read More


GESTRA is the global leader in the design and production of valves and control systems for heat and process fluid control. Read More

Gorton Valves

Keeping America Warm Since 1887. A size for every Radiator. Insures maximum comfort with minimum Fuel Cost. The "Sure Cure" for Cold Radiators! Read More

Green Mortgages

Here is site that offers a comprehensive consumer guide to energy efficiency and "green mortgages". It covers what EEMs are, how they work, the different kinds of EEMs etc. Read More

Grundfos USA

The basis of our existence - to successfully develop, produce, and sell high-quality pumps and pumping systems worldwide, contributing to a better quality of life and a healthier environment. Read More

Hacker Industries, Inc.

Hacker Industries’ GYP-SPANâ Radiant is the premier gypsum concrete floor underlayment for radiant heat projects. Installed by trained, Licensed Applicators, GYP-SPAN Radiant evenly distributes heat throughout, providing a smooth, flat and warm surface for finished floor coverings. Read More

Hago Nozzles

Whether oil burner, humidification, water, chemical, pest control or waste oil application, Hago remains the innovative industry leader. Read More

Heat Exchangers Online

Heat Exchangers for the Process Industry. Distributes heat exchangers for the heating and cooling industry. Products include shell and tube, shell and coil and brazed heat exchangers. Read More

Heat Transfer Products, Inc.

Manufacturer of high-efficiency, 92% stainless steel, fully modulating, condensing, direct-vent gas-fired MUNCHKIN heaters. SUPER STOR ULTRA stainless steel, indirect storage, electric and pool water heaters. Glass-lined indirects and storage tanks. Oil-fired water heaters. Read More

Heat-Timer Corp.

Heat-timer combines the needs of the HVAC Industry with smart technology. Product development begins with customers. For more than 60 years we've listened to them, and responded with new products. Read More


HeatFab is the world’s most recognized brand name for high quality Special Gas Vent systems. HeatFab engineering know-how and personal service brings strong relationships with original equipment manufacturers and the wholesale trades. Read More

Heatingsave Heating Controllers

HeatingSave will cut up to 30%+ off the fuel used by gas, oil and solid fuel heating systems whilst still keeping everyone warm. Read More


Heatmaker boilers are very innovative. The state-of-the-art technology uses a pre-mix gas burner with a hot surface ignition system to deliver quiet, safe and environmentally friendly operation. Read More

Highland Tank

Full-service, steel tank manufacturer, selling underground-, aboveground- and indoor-tanks for commercial and residential applications. Carbon and stainless steel, single/double wall, horizontal and vertical, cylindrical and rectangular. Read More

Hoffman Specialty

Hoffman Specialty offers a wide range of products for steam and hydronic systems. Click for product information, selection programs, steam calculators, CAD drawings, Frequently Asked Questions and new product information. Read More

Honeywell International

Honeywell offers gas/oil ignition controls, hydronic/forced-air zoning controls, TRVs, air elimination, water controls, expansion tanks, hydronic limits, relays, switches, outside temperature compensation controls, thermostats, and air purification equipment. Read More

Honeywell Radiant Floor Heating

Add spa-warmth to your bathroom with Honeywell. These new radiant floor heating systems are easy to install and include more heating cable per square foot for faster warm-ups. Read More

Hudson Reed

Hudson Reed specializes in designer radiators and hydronic towel warmers in a range of traditional and contemporary styles at lower prices than bathroom stores. Read More

HVAC Warranty LLC

HVAC Warranty LLC is a leading provider of HVAC industry extended warranty service agreements. The company provides numerous service agreement protection plans for HVAC contractors. Read More is a family-owned and operated distributor of test instruments and hand tools used by today’s HVAC/R technicians. Call or visit us online today! Read More

Hydrolevel Company

Since 1965, Hydrolevel leads the way in electronic boiler low-water protection, producing high-quality, probe-type low-water cutoffs for steam and hot water boilers, programmable steam boiler water feeders and pump and tank controls. Read More


Hydrotherm produces hydronic heating equipment including cast-iron boilers, modular boilers and baseboard. When visiting our website, check out our truly innovative KN-10 boiler, introduced in the spring of '04. Read More

Innovative Logical Controls, LLC

HVAC/R Simplified Using PLC Controls. Residential - More than just a programmable thermostat! Full house automation capable! Commercial, Industrial, Institutional - Full-building automation systems Read More


InterectSolar provides solutions for on- and off-grid applications and a distributor of solar panels and systems. Read More


Jaga, manufacturer of energy efficient design radiators is guided by 5 values: respect nature; awake the artist; dream a future; building bridges and create emotion. Read More

JJM Boiler Works

JJM Boiler Works manufactures condensate PH neutralizing kits for condensing boilers and furnaces. They offer both Tube- and Box-type products for inputs of 40-6,000 MBH gas units. Read More

Kees, Inc.

KEES, INC. is a manufacturer of a wide variety of accessories and specialty items for the commercial sheet metal HVAC, architectural grille specialties and food service industries. Read More

Laars Heating Systems

Manufacturer of commercial and residential gas-fired boilers, water heaters and pool heaters. For more than 50 years, the LAARS brand has stood for quality, reliability, and innovation in heating system design. Read More

Larson Fan Company

Replacement bathroom fan assembly with an automatic, built-in damper. The damper reduces heating and cooling costs without a huge upfront cost. Saves the most when central air is being used. Read More

Lochinvar Corporation

Lochinvar Corporation – A product for every water heating application. High efficiency water heaters, boilers, pool heaters and storage tanks, both residential and commercial. Read More


The new LoopCAD software automatically creates loop layout drawings for radiant heating systems. LoopCAD stands alone, but is also AutoCAD compatible. Create floor plan and circuit design drawings in just minutes. Read More

Lynn Manufacturing

As an independent manufacturer and distributor, Lynn provides everything needed for combustion chamber repair and replacement, including complete replacement kits, universal chambers, wet blankets, gaskets and much more. Read More

Macon Controls

Since 1975, Macon Controls has been a respected national supplier of radiator valves and regulating sensors to the heating and cooling industry. Read More

Marsh Heating Equipment

Direct Manufacturer of Steam Traps, Radiator Valves, F&T Traps, Air Vents and more.Marsh is the sister company of Aquatrol, Inc a manufacturer of ASME certified Safety and Relief Valves. Located in Elburn, IL 800-323-0688 Read More

Marshall Engineered Products Co. (MEPCO)

Since it introduced the first commercially successful liquid-filled steam trap in 1903, MEPCO (formerly Dunham Div. of Dunham-Bush) has been a leading manufacturer of steam/hydronics specialties, pumps/pump packages and steam heating controls. Read More

Matrix Energy Inc.

Our façade or roof mounted MatrixAir™ solar air heating systems will reduce up to 50% of the cost of fresh air heating within commercial industrial, agricultural, or institutional buildings. Read More

McDonnell & Miller

M&M is the leader in water level controls for steam and hot water boilers. Click for complete product information, Frequently Asked Questions, Service Bulletins, and new product information. Read More

Monitor Products, Inc.

Monitor Products Inc. is the manufacturer of ultra-high- efficiency, fully condensing boilers and stainless steel domestic hot water storage tanks. Read More

Mr . Pex Systems

Our core product, Mr. Pex Tubing, is considerably more flexible, kink-resistant and able to hold more pressure than any other Pex Tubing on the market today! Read More

Nash=Jennings Vacuum Pumps

Here are many old Nash Jennings units. Find information on conversion pump kits and new systems, as well as details about why vacuum pumps are used on condensate return applications. Read More

National Plastic Heater Sensor & Control Company

Exporters of Industrial Process Electric Heaters, Temperature Sensors (thermocouples & Rtds), Digital Temperature Controls & Mercury Displacement Contactors Read More

NES Company

NES manufactures and distributes an extensive line of steam pumping equipment for the industrial marketplace. We specialize in sales and service of NASH vacuum and NES atmospheric condensate and boiler feed units. Read More

NORA (National OIlheat Research Alliance)

NORA is launching an ambitious research program to improve both fuel and equipment. Early research has shown that improvements to oilheat will improve the efficiency of furnaces and boilers, extend their useful life, and reduce maintenance and service costs. Read More

North Sea Resins

North Sea Resins products are cure-on-command resins that work as adhesives, fillers and sealants. These one-part resins require no mixing and cure between 28degF and 104degF without impacting strength characteristics. Read More

NY Thermal Inc.

Manufacturer of the Trinity wall-hung, condensing gas boiler, as well as several oil-fired boilers Read More


OverBoards™ are high-quality classic upgrades for radiant baseboards. Foundry-crafted of solid cast aluminum, OverBoards install easily over your existing baseboards, and complement your home’s classic architectural details. Read More

Oxford Plastics Inc.

Manufacturer of HDPE plastic pressure pipe and corrugated plastic pipe. Read More

Paladin Radiators

Specialist radiator manufacturing company providing traditional American, French and British design cast iron radiators and radiator towel rails to European and US private homeowners, installers and organisations Read More

Combines form and function by creating a Euro-style flattened tube radiator that provides reliable heating with a distinctive architectural feel that blends with any room décor. Read More


Patterson-Kelley’s MACH Series Condensing Boiler is certified 92% efficiency with 99% efficiency possible. Available in 300,000 and 450,000 BTUH. Perfect for any condensing application from Radiant Floor to Snowmelt. Read More

PAW GmbH & Co. KG

PAW, a German manufacturer of modular solar and hydronic pump systems for residential and commercial applications delivers consistency, and significant savings in time and labour. Read More

Paxton Corporation

Paxton Corporation specializes in controls equipment for the Radiant/HVAC industry, including 2-way valves, ESBE 3- and 4-way valves from 1/2" to 6", and outdoor-reset controllers for water- and steam-heating systems. Read More

Peerless Boilers

Peerless Boilers manufactures a full line of residential and commercial cast iron boilers, including both oil and gas-fired units for hot water or steam systems. Read More

Peter Mangone, Inc.

Pneumatic and manual fastening systems for radiant tubing. The RB-6 pneumatic unit installs tubing clips to wooden surfaces. The Reddi-Strip™ stapler attaches PEX to foamboard. Both reduce installation time/ costs. Read More

Pex Supply is the leading online supplier of plumbing and heating supplies. We specialize in PEX Plumbing and Radiant Heat Systems. We offer a low price guarantee and FREE Shipping on orders over $300. Read More

Phoenix Energy Management, Inc.

Phoenix Energy Management, Inc., manufacturer’s the "Best Boilers" line of scotch-marine boilers, field-erected or shop-fabricated bare boilers, and packaged boiler systems. Read More


Manufacturing ASME water heaters for the engineer-specified and building owner markets since 1961. Maker of the world's most efficient gas-fired water heater; 99% thermal efficiency at full firing rate. Read More

R. W. Beckett Corp.

Offers a full line of residential and commercial oil burners. Recently, Beckett added a line of high-end replacement components and energy solutions including the HeatManager and fuel-stabilizing additives. Read More

Radiant Floor Heat

Krell Distributing, since 1972, designs and furnishes materials for Do-It-Yourselfer Radiant Heating Systems. Read More

Radiant Heat Guide

Discover the comfort of radiant heat with the luxury of heated floors. explains the differences between electric radiant heat and hydronic radiant heat, and provides useful information on how to select the right system. Read More

Radiant Wraps

An inter-locking system of retrofit enclosures that are designed to slip-on and install over an existing baseboard heating unit. Read More is a supplier of do it yourself radiant floor heating kits. Kits include: CAD layouts and mechanical/ low voltage schematics specific to your project. We take the guess work out! Read More

Radiator Size Calculator

Need to know what size radiator will heat your room? Try Best Heating’s free and simple to use BTU Calculator Read More

Raven Products

Raven Products manufactures valves, fittings tools and specialties for the plumbing & Heating industry. Our focus is innovation, quality and competitive pricing. Who says you can’t have all three? Read More


For over 125 years, Reznor has been developing, manufacturing and delivering the best industrial and commercial gas fired HVAC equipment all over the world. Read More


Rheem is a leading global producer of water heaters, central warm air furnaces and air conditioners, and swimming pool heaters and commercial boilers. The company's products are used for residential and commercial applications and operate on a variety of fuels. Read More

Rhomar Water Management, Inc.

Two years in development.... our new system cleaner and water treatment products were specially formulated for hydronic systems. No problems with various components, including aluminum, steel, brass, copper and flex-tubing. Read More

RIMA International

RIMA-I represents reflective insulation, radiant barrier and interior radiation control coating (IRCC) manufacturers and other companies that are active within the industry. Read More

A proven supplier of commercial heating and cooling equipment. Rittling manufactures a full line of standard products and one-of-a-kind custom products with short lead times. Read More

Riverside Hydronics

Whether it's a hybrid boiler system, condensing boilers, non-condensing boilers, medium-mass or instantaneous, RIVERSIDE HYDRONICS is your source for commercial heating boilers. Read More

A resource covering every aspect of home safety. From buying a house, to DIY and maintenance, to fire safety, and more. Written by experts to help people stay safe. Read More


Offering a wide selection of traditional heat saunas, infrared saunas, steam saunas, indoor and outdoor saunas, and sauna accessories online. Free shipping in the continental U.S.! Read More

Searching for Old Radiators?

Here's where you'll find 'em! Read More

Service Roundtable

Formed by leading contractors, we offer HVAC, Electrical, Solar, and Plumbing best practice tools to help generate leads, close more sales, market your company, recruit employees, price for profit, manage your service agreements, and create an exit strategy. Read More

Slant/Fin Corp.

Leading manufacturer of hydronic heating equipment, including cast-iron boilers, baseboard, radiant heating, modular boilers and commercial radiation. Read More

Smith Cast Iron Boilers

Smith Cast Iron Boilers, established in 1853, manufactures cast iron boilers for both steam and hot water applications. Located in Westfield Massachusetts, Smith Cast Iron Boilers manufacture boilers that range in sizes from 35,000 to 17,000,000 MBH, for both gas and oil use. Read More

Solar Air Heater

Build your own Solar Air Heater today with our detailed step-by-step construction manual. Start saving energy for a better tomorrow! Read More

SolarPages - For All Your Solar Energy Needs has all the latest news and information on photovoltaic Solar feed in Tariffs and renewable energy sources. Compare solar panels prices and find local solar panel installers. Read More

SOREL GmbH Mikroelektronik

Manufacturer of Solar Thermal and Heating Circuit Controllers that are simple to use. Graphical interface with full text descriptions of each and every parameter. Multi-Language capable. UL/CSA Approved. Read More

Space Heaters UK

Space Heater Specialists supplying a diverse range of space heaters for many applications. Workshop, construction drying and heating specialists. Read More

Spirotherm, Inc.

SPIROVENT, the world's leading high efficiency air eliminator for hydronic systems. Read More

Sterling Hydronics

Sterling Residential Heating is a leading producer of hydronic baseboard. We manufacture Kom-Pak, Petite 7, Heatrim-American and Suntemp brands of baseboard, distributed by our fine wholesalers throughout the country. Read More

Suncourt Inc

Manufacturer of ventilation products including duct booster fans, exhaust fans, dryer boosting kits, radon fans and kits. Other products are motorized dampers, temperature sensitive switch, ThruWall fans, mufflers, and register boosters. Read More

Taco, Inc.

Taco makes a fine line of pumps, heat exchangers, expansion tanks, flow measurement devices, air separators, valves, and zone control products for residential, residential, commercial, industrial and institutional applications. Read More

tekmar Controls

Manufacturer of Boiler-, Mixing- and Snowmelting Controls, Thermostats and Setpoint Controls for Hydronic Heating Systems. Read More

Testo, Inc.

Manufacturer of test and measurement instruments for heating, Air conditioning, ventilation and refrigeration. Measurements include: combustion testing, Carbon monoxide, temperature, pressure, air flow, humidity, IAQ, RPM and visual inspection. Read More

The Boiler Room

An On-Line Community of Manufacturers, Representatives, Engineers and Operators of Commercial and Industrial Steam Boilers. Read More

The Hydronics Industry Alliance

Practical hydronic heating information for homeowners, architects/engineers, heating installers, home builders and remodelers, presented by the Hydronics Industry Alliance (HIA), a coalition of members of the Hydronics Institute Division of GAMA. Read More

The Noble Company

Propylene glycol antifreeze & heat transfer fluids, pre-cleaners, inhibitor boost, test instruments & kits. Noburst -100, Super Noburst & Noburst AL. Noburst -100 and Super Noburst for standard systems. Noburst AL for systems with Aluminum components. Read More

Thermo Dynamics Boiler Company

Thermo Dynamics Boiler has been an innovator in the boiler industry for over 65 years. Our reputation for quality, service and technical support sets the industry standard. Read More


Thermolec residential electric boilers are available from 5 – 23 kW with full modulation, built-in aquastat and outdoor reset control as standard features. Read More

Thrush Co.

Thrush Co. is your single source solution for hydronic equipment. We offer a full line of pumps, heat exchangers, engineered Heat Transfer Packages, Semi-Instantaneous water heaters, and pressure boosters. Read More

Triad Boiler Systems, Inc.

Rugged, small-footprint hot water and steam boilers for space heating, domestic hot water, and combination boilers. Powered by gas, oil, propane, or combination. Firing rates from 210 to 1,700 MBTU. Read More

Triangle Tube

Manufacturer of the exclusive “Tank in Tank” Delta Series Combination Heaters and Phase III Indirect Water Heaters - Prestige condensing, stainless-steel, wall-mounted boilers - Heat Exchangers and Air Handlers. Serving the Hydronics Industry since 1946. Read More

TruTech Tools

Test instruments make you sharper. Our library of videos, downloads, guides, and webinars is at your service. We offer the brands you know and trust. We’re ready to help you. Read More

TruTechTools - Tools for "Tru" Technicians

Your one-stop shop for HVAC/R, Inspection, Energy Audit and Building Performance Equipment. Helping true technicians to better perform with the best tools and know-how. Read More

Tunstall Associates, Inc.

Manufacturer of Steam Traps and Steam Trap replacement parts. Distributor of Macon Controls (TRV) throughout the United States through a network of representatives Read More


Manufacturers of hydronic coil kickspace, wall-mounted and floor-mounted heaters, plus controls for the domestic water tank. Read More

U.S. Boiler Company (manufacturer of Burnham-brand, cast-iron and steel boilers)

Cast Iron and Steel Boilers (Residential and Commercial) Cast Iron Baseboard and Radiators Radiant Heating Products Read More


Uponor is the nation's leading manufacturer of cross-linked polyethylene (PEX) tubing and provider of system components used in plumbing, fire sprinkler, hydronic radiant floor heating, snow and ice-melting and turf conditioning systems. Read More

Utica Boilers

Since 1928, Utica Boilers has been a trusted supplier of gas and oil fired boilers for residential and commercial buildings. Read More


American made ball valves by Valtorc International. American made, great pricing items in stock ready to ship. Read More

Valvola Corporation

Manufacturers of Bellows Seal Gate Valves, Bellows Seal Globe Valves, Bellow Seal Control Valves, Bellow Sealed Y-Type Valves, Bellow Angle Valves, Vacuum Valves, Chlorine Valves, Steam Valves etc. Read More


Velan is a world-leading manufacturer of steam traps and valves for steam systems. Read More

Viessmann Manufacturing Company (US) Inc

World-class boilers and heating equipment Read More

Vulcan Basement Waterproofing

Vulcan Basement Waterproofing has been making wet basements dry in NY, NJ, PA, CT and DE, since 1947. Our customized basement solutions include French drains, sump pumps, and basement moisture/air quality systems (EZ Breathe). Read More

W. Tombling Ltd

W. Tombling Ltd was established in 1927. They manufacture Activair electric fan heaters (2kW - 21kW) and ceramic radiant heaters (500W to 6kW). Read More

Warmboard Inc.

Warmboard surpasses other radiant heating systems by providing greater comfort and lower energy costs due to low water temperatures. Warmboard is the only radiant heat panel and structural subfloor combined. Read More

WarmlyYours Electric Floor Heating

Ultra-thin electric floor heating systems make any room luxuriously warm from floor to ceiling and offer great flexibly in terms of their ability to be added only to rooms where comfort and enjoyment are considered a premium, such as bathrooms and kitchens. Read More

Water Energy Distributors, Inc.

Answering all Geothermal questions since 1978! Free homeowner workshops. More than 10,500 successful applications completed. Co-authors of NYC Dept. of Design and Construction Geothermal Heat Pump Manual. Read More


WaterFurnace is a leading manufacturer of residential, commercial, industrial and institutional geothermal and water source heat pumps. Products include energy-efficient and environmentally-friendly geothermal comfort systems, IAQ products and pool heaters. Read More

Watts Radiant

Hydronic & Electric Floor Heating, Snowmelting, Plumbing, Mechanical Packages Read More

Webstone Company, Inc.

Makers of some of the most interesting and useful, time-saving products in the hydronic-heating industry. Read More


Boilers (residential & commercial), Indirect-Fired Water Heaters, Radiant baseboard & Tubing, and other additional products Read More


Wet Head Media says, "through the power of sharing, text and collaboration we all can learn new bits of knowledge each day, whether it happens to be How To do something, or just learning from ones experience." Read More

Whirlpool Water Heaters

Whirlpool's gas and electric water heaters are designed to integrate the latest breakthroughs in water heating technology to increase energy-efficiency and decrease cost of operation. Read More


WILO, the Pumpen Intelligenz Company, offers a superior line of HVAC and groundwater centrifugal pumps. Check out our web site for new product launches and posted training schedule. Read More

Zurn PEX Plumbing & Radiant Heating Systems

Zurn is a leading domestic manufacturer of Crosslinked Polyethylene (PEX) piping and related components for use in hydronic radiant floor, wall and ceiling heating, snow and ice melting and potable plumbing systems. Read More