6872 Hillsdale Court
Indianapolis, IN 46250, USA


(317) 570-5400

(317) 570-5414 (fax)

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We work with the best of the best in HVAC world of manufactures.  Please see below our list of these highly qualified companies with a link to their individual company website's where you can find more information about each of them.


Daikin Applied

The World’s Leading Innovator in HVAC
We believe your air can be doing more. Every day, we aim to create better outcomes for our customers, so you can breathe easier.  Daikin Applied delivers superior air quality and energy efficiency to every solution with innovation in advanced technology, IoT, and next generation compressors.

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Daikin AC is the world leader and inventor of the Variable Refrigerant Volume market.  Contact your ITS salesman today to learn more about how to apply this energy efficient technology to your next project.

Temspec Inc.

Temspec Inc. manufactures superior class room vertical style unit ventilators in a variety of configurations including 2 pipe, 4 pipe, energy recovery, self contained, and many more.

Temtrol - A Nortek Air Solutions Company

The Temtrol brand dates back to 1955 as a manufacturer of high-quality air handling equipment for commercial and industrial applications. It was one of the first to offer its customers flexibility in terms of optional design and construction features.
The company was founded on the philosophy that technical knowledge and innovations go hand in hand with old-fashioned reliability to ensure a company’s success. Over the years, Temtrol has specialized in custom air handlers, knockdown air handlers, fan retrofit systems, and new/replacement coils.

Mammoth - A Nortek Air Solutions Company

Founded in 1935, Mammoth has years of experience working with architects, engineers, contractors, and building owners to provide custom-packaged HVAC systems that are the best and most economical solution for the entire facility lifecycle.
Today the Mammoth brand is well known in the HVAC industry for the quality, flexibility, and reliability of its custom packaged DX systems. These packaged HVAC systems are often the best and most economical solution for the entire lifecycle of the facilities they serve. If you are looking for optimal energy efficiency, quiet acoustic performance, and a custom footprint, or are targeting LEED® certification of your high-performance facility, we have the knowledge and expertise to integrate the packaged HVAC system to meet your requirements.

Ventrol - A Nortek Air Solutions Company

Ventrol started manufacturing custom air handlers in Montreal, Quebec, in 1998 with only eight employees and has since expanded to more than 400 employees in a 150,000 square foot facility.  The specialize in innovative custom air handling solutions for retrofit and new construction, Ventrol combines their strong customer focus, commitment to quality, and advanced technologies.  These include thermal breaks, integrated energy recovery heat exchangers, humidification, and sound reduction that help provide the right products for a variety of industries and applications. Ventrol manufactures their own fans and coils with AHRI Certified™ performance to guarantee quality.

Venmar CES - A Nortek Air Solutions Company

The Venmar CES brand started as a pioneer in commercial air-to-air energy recovery ventilation.  Over the years, Venmar CES brand equipment became a top choice for creating quiet, comfortable, and healthy indoor environments across North America.
In 1997 the Venmar CES brand expanded the energy recovery system and dedicated outdoor system product offerings of Nortek Air Solutions when it joined our family of brands. Today the Venmar CES brand continues to focus on innovating and manufacturing semi-custom (integrated and non-integrated) commercial energy recovery systems and custom-packaged HVAC solutions for a variety of applications.
To ensure that Venmar CES customers receive the equipment that they specify and ultimately purchase, all of our equipment is factory-run tested and checked prior to shipment. All of our manufacturing facilities have fully equipped checkout stations.


Huntair - A Nortek Air Solutions Company

Huntair, founded in 1993, initially focused on providing innovative air handling solutions for the semiconductor and pharmaceutical industries before widening their scope to include products for other mission-critical and commercial applications.

In 2003, Huntair invented FANWALL TECHNOLOGY® — the first integrated fan array solution for air handlers. FANWALL systems incorporate state-of-the-art fans, motors, cabinetry, controls, and accessories for a precise match to air handling requirements. FANWALL systems are now the preferred choice for engineers, contractors, and building owners valuing redundancy, quiet and vibration-free operation, optimized energy efficiency, and reduced maintenance and service for new construction and retrofit building projects.


Governair - A Nortek Air Solutions Company

The Governair brand has been an industry leader in the design and manufacture of HVAC systems since its founding in 1937. We have a strong history of innovating robust, custom solutions to solve real-world challenges.  Today the commercial and industrial air handlers manufactured by the Governair brand continue our commitment to flexibility, quality, and value.

The Governair location is also the home of the Nortek Air Solutions Acoustic and Thermal R&D Laboratory.


Seresco specializes in pool dehumidification units utilzing advanced technology and Web Sentry online monitoring.  They make units designed for residences, to hotel pools, to large competition nadatoriums, and indoorwater park projects.

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Rapid Engineering LLC

Rapid Engineering LLC specializes in Building Air Management and Industrial Process and Finishing Equipment. Rapid Engineering LLC is an innovative leader in providing high-efficiency air management systems. HVAC Equipment includes direct-fired, indirect-fired and air turnover.



Motivair’s mission is to provide its customers with the widest range of Cooling Solutions from a single source, at the highest quality while adding value during every phase of the business cycle.  These include mission critical chiller applications, pumping skids, heathcare chillers, and free cooling chillers.

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United CoolAir

United CoolAir manufactures 1 to 100 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.



Canariis is dedicated to the manufacture of quality packaged systems for domestic water, HVAC, chiller plants, boiler plants and fire pump applications. Every packaged system manufactured is electrically, hydrostatically and flow tested at job conditions prior to shipment. The manufacturing and testing is designed to assure ease of installation, simplified start-up procedures, and many years of trouble free service. Our experienced staff, equipped with the most complete systems designer's manual in the industry, is always ready to be of service with design recommendations.

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Simple, efficient replacement fan system for Air Handling Units

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UV Resources

UV Resources (UVR) is a leader in the education, design and innovative engineering of affordable ultraviolet-C (UV-C) equipment for a variety of commercial, healthcare, government and residential HVACR applications. In addition to developing new and unique UV products for specific applications, UVR team members were among the first to develop modern sizing and efficacy software for air conveyance systems and regularly consult with both OEM and government-sponsored, UV-related entities.