Roberts-Gordon LLC

Roberts-Gordon LLC is an American industrial heating and HVAC manufacturer focused on gas-fired infrared heating equipment, controls, and associated accessories. The company is particularly associated with low-intensity infrared heating for commercial, industrial, and other large-building applications. Its best-known technological contribution is CORAYVAC, described as the first commercially produced gas-fired, low-intensity infrared product introduced into the heating industry. The company's product scope extends beyond heating appliances to include system controls and monitoring technologies. Roberts-Gordon was also the first company to patent fully modulating infrared systems using its ULTRAVAC control platform. That technology enabled burner input to be adjusted in response to outdoor air temperature, allowing the heating system to better match the building's changing heat demand. The approach was intended to improve system control and operational efficiency compared with heating systems that operated at a fixed or less flexible input level. Roberts-Gordon's control architecture also supported centralized supervision of multiple heating systems. According to the company's reference description, installations across multiple buildings or areas in the United States could be monitored from a single desktop. This positioned the business not only as a maker of heating equipment but also as a provider of integrated controls for larger facilities where zoning, remote supervision, and load management are important. The company became part of the portfolio of The Sterling Group after its acquisition in July 2014. That transaction placed Roberts-Gordon under private-equity ownership while preserving its identity as a specialized HVAC equipment manufacturer. In 2023, Roberts-Gordon partnered with Reznor to create the Heat Group, linking the company with another established heating-equipment business. The formation reflects a broader emphasis on coordinated heating solutions and portfolio organization within the commercial and industrial HVAC sector. Roberts-Gordon's brand positioning is therefore rooted in specialized engineered heating rather than consumer-oriented climate products. Its historical differentiation comes from gas-fired infrared technology, modulating controls, and centralized monitoring capabilities. Publicly available reference material does not provide a complete account of its founding date, leadership roster, current headquarters, detailed product catalog, or financial performance, so those fields remain unspecified here.

Roberts-Gordon LLC operates in the commercial and industrial HVAC sector, with a particular emphasis on gas-fired infrared heating. Its historical importance in the available reference material is tied to the development and commercialization of low-intensity infrared equipment. The company is identified with CORAYVAC, described as the first commercially produced gas-fired, low-intensity infrared product introduced into the heating industry. Rather than relying only on conventional air-heating approaches, low-intensity infrared systems deliver radiant heat from heated emitter surfaces, making them suitable for large or high-ceiling spaces where directly heating all of the air can be challenging. Roberts-Gordon subsequently expanded its technological focus into controls. It was the first company to patent fully modulating infrared systems using ULTRAVAC. The control system allowed burner input to vary according to outdoor air temperature, helping align the heating system's output with the building's changing thermal requirement. This represented a move from basic heating equipment toward responsive system management. The reference material also associates Roberts-Gordon's technology with the ability to supervise multiple heating systems from a single desktop, an important capability for larger facilities and distributed heating installations. These developments established the company's identity around engineered heating systems rather than general-purpose residential HVAC. Its product family comprises heating equipment, controls, and related accessories, with the controls forming an important part of the value proposition. The available source material does not state the company's founding year, founder, detailed manufacturing footprint, or a complete chronology of product introductions, so a more granular early history cannot be confirmed. A major ownership milestone occurred in July 2014, when The Sterling Group acquired Roberts-Gordon LLC. The company continued to be described as an international manufacturer after the transaction. The acquisition is the clearest documented change in corporate ownership in the supplied sources, although the available material does not specify transaction terms, valuation, or changes to management. In 2023, Roberts-Gordon partnered with Reznor and created the Heat Group. The arrangement connected Roberts-Gordon's infrared-heating and controls capabilities with Reznor's heating-equipment business. The source does not characterize the event as a full legal merger or provide details about the Heat Group's organizational structure, so it is best described as a partnership and group-formation initiative rather than a confirmed change in Roberts-Gordon's legal ownership. Today, the documented Roberts-Gordon proposition centers on commercial and industrial heating applications: gas-fired infrared systems, modulating controls, remote or centralized monitoring, and associated accessories. Public reference material does not provide enough information to state the current headquarters, detailed geographic sales breakdown, executive team, revenue, public listing status beyond its private ownership context, or a complete current product lineup.

• 2023

  Formation of the Heat Group

  [1]Roberts-Gordon LLCen.wikipedia.org

  Roberts-Gordon partnered with Reznor to create the Heat Group.

• 2014

  Acquisition by The Sterling Group

  [1]Roberts-Gordon LLCen.wikipedia.org

  The Sterling Group acquired Roberts-Gordon LLC in July 2014.

• Introduction of CORAYVAC

  [1]Roberts-Gordon LLCen.wikipedia.org

  Roberts-Gordon introduced CORAYVAC, described as the first commercially produced gas-fired, low-intensity infrared product in the heating industry.

• Patent for ULTRAVAC fully modulating infrared controls

  [1]Roberts-Gordon LLCen.wikipedia.org

  The company became the first to patent fully modulating infrared systems using ULTRAVAC, enabling burner input to respond to outdoor temperature and building heating demand.

A specialized commercial and industrial HVAC manufacturer differentiated by gas-fired low-intensity infrared heating, modulating controls, and centralized system monitoring.

• Low-intensity infrared heating system

  CORAYVAC

  CORAYVAC is the Roberts-Gordon product associated with the commercialization of gas-fired, low-intensity infrared heating. The system represents the company's foundational contribution to the infrared-heating segment and is intended for applications where radiant heat is advantageous, including larger commercial or industrial spaces. The available reference material does not provide detailed specifications, current model variants, or launch date.

• Infrared heating control system

  ULTRAVAC

  ULTRAVAC is a Roberts-Gordon control platform for fully modulating infrared heating systems. Its documented function is to adjust burner input in response to outdoor air temperature, helping match heating output to building demand. The platform also supported monitoring of multiple heating systems from a single desktop, making it relevant to centralized management of larger or distributed installations.

• 2023

  Create the Heat Group with ReznorStrategy

  Background

  Roberts-Gordon and Reznor pursued a partnership within the heating-equipment sector.

  Action taken

  The companies partnered to create the Heat Group.

  Aftermath

  The Heat Group provided a combined organizational platform for the participating heating businesses. Further details about governance, ownership, and operating scope are not specified in the reference material.

  Source

• 2014

  Join The Sterling Group portfolioM&A

  Background

  Roberts-Gordon was acquired by The Sterling Group in July 2014.

  Action taken

  The Sterling Group completed the acquisition of Roberts-Gordon LLC.

  Aftermath

  Roberts-Gordon continued as an international HVAC and infrared-heating manufacturer under Sterling ownership. The available source does not state transaction value or subsequent management changes.

  Source

1. 1Roberts-Gordon LLCen.wikipedia.org