Acme Engineering & Manufacturing Corp.
Leader in the manufacture of fans, blowers, and ventilation equipment.

Amana Heating & Air Conditioning
Amana brand PTACs are designed to simplify your business with plain-and-simple product durability and advanced energy management features.

American Cooling Tower
Custom built cooling towers. From commercial applications to the process & power industry, American Cooling Tower provides customers with turn-key solutions for their cooling tower systems.

With more than 36 years experience, Wheatley brand products have established a reputation for providing dependable products to the HVAC industry. In addition to our complete line of tanks, strainers and valve products, we are committed to bringing you the latest in HVAC technology from all over the world. This commitment is your assurance of receiving the best products the industry has to offer.

Carel USA
Manufacturer of humidifers and controllers for HVAC/R applications

Carrier manufactures a full line of applied products including water and air cooled chillers, air handlers, large rooftop and split systems, fan coils, self-contained units and controls.

Cambridge Engineering, Inc. , Catalog
Direct fired heaters for Space Heating, MakeUp Air and Infrared Radiant Heating.

Commercial & industrial, condensing and non-condensing hot water boilers & hydronic water heaters.

Fixed Plate Energy Recovery Ventilators (ERVs) with sensible and latent heat transfer.

Critical Room Control
CRC introduced the industry's first touchscreen room pressure monitor, and their controller has powerful, open architecture programming flexibility. CRC also developed a Closed Loop Venturi air valve for use in applications with stringent ventilation requirements and the need for precision feedback.

Desert Aire  , Catalog
Desert Aire, founded in 1978, is a leading manufacturer of dehumidifiers and DOAS that provide efficient solutions to humidity problems in residential, commercial, institutional and industrial environments.

Desiccant Rotors International (DRI) , Catalog
Dessiccant Rotors International (DRI), an ISO certified company, is a global provider of components, products and systems for energy recovery, IAQ, fresh air treatment, evaporative cooling, humidification, and RH Control.

Diversified Heat Transfert (DHT)​ 
Diversified Heat Transfer (DHT) is a leading engineering and manufacturing company of heat exchange equipment and systems for the residential, commercial, and industrial markets.  With more than 75 years of experience, DHT can customize, design, build, and manufacture innovative, technology-driven products that provide flexible, high-quality, and cost-effective solutions for a wide variety of applications.

Founded in 1990, Elbi of America, Inc. is an innovative manufacturing company, backed by the extensive experience of our parent company, Elbi S.p.A.. Our Houston facility is fully stocked to meet the strong demand for our residential and commercial products.

GEA Heat Exchangers - see Kelvion below

Griswold Water Systems
Griswold Water Systems produces welded filtration products, including a complete line of high-efficiency centrifugal separators and cooling tower basin sweepers. GWS pioneered non-chemical water treatment using electrodynamic field generation. 

Haakon Industries
Haakon is a world leader in custom air handling units. Haakon's custom approach to engineering and manufacturing allows a high level of customization to meet the stringent requirements for a wide variety of applications, from general office to food and dairy to highly sensitive computer chip manufacturing.

Hydro-Temp is a manufacturer of custom built water source heat pumps. Their WSHPs have been utilized to achieve the lowest energy usage schools in the U.S. and when combined with solar panels can achieve net zero buildings. Other applications include WSHPs with final filtration for healthcare and specialized units for 100% OA units.

Kelvion (GEA) Heat Exchangers
Kelvion, recently known as GEA, offers a complete line of plate, shell and tube, air cooled and finned tube heat exchangers.

LG Air Conditioning Technologies is a leading player in the global air conditioning market with innovative commercial and residential air conditioners and building management solutions. With a robust lineup of ducted and duct-free products, LG enables customers to develop the solution that’s perfectly suited for their project. 


Since 1921, Markel has been providing smart choices for applications that require electric heat.

Munters is a global leader in air treatment and has a complete line of air handlers to provide conditioned and clean air to the space. Munters utilizes energy recovery technologies like desiccant wheels, heat pipe and plate frame heat exchangers in their air handling systems to provide dry conditioned air to the spaces at reduced energy levels.  By providing outside air at low dew point conditions, the remaining equipment can be sized for the sensible portion of the space load. In addition to their outdoor air lines, Munters provides energy savings solutions for data center and swimming pool applications.

Network Thermostat 
Smart thermostats, WiFi thermostats, Ethernet thermostats.

NuTech Hydronic Specialty Products is the premier manufacturer of system balancing valves for hydronic heating and chilled water applications.  We offer Automatic Balancing Valves, Manual Venturi Balancing Valves and a complete line of Coil Connection Kits, Hose kits, Components, and Accessories.

Patterson has been applying more than a century of engineering expertise in hydronic pumping technology to HVAC applications. Their pumps offer the rugged, reliable service and engineering refinements you expect from Patterson along with sustainable, energy-efficient performance that addresses green strategies. Ideal for new or existing systems, their lines of Horizontal Split Case, End Suction and Vertical In-Line pumps provide complete HVAC solutions for multiple story buildings.

Fairbanks Nijhuis​ 
Pentair invents and manufactures solutions that address some of the world’s toughest challenges, with over 75 percent of their products, services and technologies related to food, water or energy. Collaborating with industrial partners, government, non-governmental organizations, and other companies, they serve a wide variety of customers in the food and beverage, residential and commercial, industrial, infrastructure, and energy verticals.

Since 1949, Raywall Products Company has provided quality electric heaters to the industrial, commercial and residential markets.

Revolutionaire , Brochure
Custom horizontal and vertical unit ventilators for retrofit classroom applications.

For over a century, Reznor innovations have been providing comfort solutions to the commercial and industrial markets. In addition to their lines of gas-fired unit heaters and duct furnaces, Reznor also manufactures a wide array of make-up air and 100% outside air units. 

Shipco Pumps 
Shipco Pumps manufactures the largest and most complete line of HVAC boiler room and condensate return pumping equipment. Shipco designs and manufactures complete packaged units in their facility in Pennsylvania.

Steril-Aire is the global leader in high-output ultraviolet germicidal solutions for improved indoor air quality and energy efficiency.

STULZ Air Technology Systems, Inc. 
Stulz provides innovative solutions to critical environmental control needs, such as data centers. Precision cooling and humidification products protect mission critical environments, and their dessicant dehumidification products serve pharmaceutical labs, food process plants and disaster recovery operations.

Swegon manufactures a wide range of products, including outside air units and chilled beams. They are headquartered in Sweden and also manufacture units in North America.

Tigerflow Systems is an industry leader in engineered packaged pumping systems. Tigerflow's manufacturing plant is located in Dallas, and the company has been in the industry since 1985.


United CoolAir 
United CoolAir manufactures 1 to 90 ton "All-Indoor" Modular HVAC Solution systems for Commercial & Industrial Cooling as well as 100% Outside Air applications. Built to order horizontal and vertical systems are available as Air-Cooled, Water-Cooled, Chilled Water, and Heat Pump models with a wide range of options to meet almost any application. The use of resealable refrigerant fittings makes systems ideal for retrofit and renovation projects with lower total installed costs than many conventional replacements.

USA Coil & Air builds standard and built-to-order commercial and industrial air conditioning and heating equipment, including HVAC coils, fan coils and air handlers. USA Coil & Air specializes in replacement coils and fast deliveries.

Vibration Eliminator Company 
Vibration, shock and noise control in the HVAC, Marine and Industrial fields.

Vibro Acoustics
Vibro-Acoustics offers a full line of products for vibration isolation, shock, low noise and seismic applications.

Williams Fan Coils 
Since 1916, Williams has been a nationwide leader in cost-effective, safety tested HVAC solutions for commercial spaces. Williams offers a comprehensive line of fan coil units and air handling units as well as custom solutions such as the Integrated Piping System.


Xetex, Inc. 
Custom AHU, DOAS, DX and Energy Recovery Systems


New Nashville Location!

We've moved to Grassmere Park in Nashville. Come visit us at 624 Grassmere Park, Suite 25.

Welcome Logan!

We're pleased to announce that Logan Teichmann is joining the project management and parts team and

Welcome Alex and Chris!

We're excited to have two new team members! Alex Ramsey resides in Chattanooga and will be an account...

Cambridge Engineering now has cooling solutions

Cambridge Engineering has been known for providing heating solutions for commercial warehouses and industrial...

New Stulz manufacturing plant in Tennessee

Stulz ATS is increasing production capacity in the United States by opening a new plant in Dayton, T