Norman S. Wright provides customers with exceptional systems knowledge to meet all project requirements. They represent HVAC manufacturers worldwide, and their product lines support the latest energy, sustainability and comfort standards.

The North American Electric Reliability Corporation (NERC) is a not-for-profit international regulatory authority whose mission is to assure the reliability and security of the bulk power system in North America. NERC develops and enforces Reliability Standards; annually assesses seasonal and long‐term reliability; monitors the bulk power system through system awareness; and educates, trains, and certifies industry personnel.

NAIMA is a non-profit certification program for technicians in the heating, ventilation, air-conditioning, and refrigeration (HVACR) industry and the only test supported by the entire industry.

The North American Sustainable Refrigeration Council is shaping a more sustainable, climate-friendly future for supermarket refrigeration. The technology, best practices, and manpower exist to greatly reduce the impact that supermarket refrigeration has on the environment, but right now lots of hurdles stand in the way. NASRC is an environmental nonprofit committed to taking action to address those hurdles and educating its members and public.

With the Occupational Safety and Health Act of 1970, Congress created the Occupational Safety and Health Administration (OSHA) to ensure safe and healthful working conditions for workers by setting and enforcing standards and by providing training, outreach, education and assistance. The OSH Act covers most private sector employers and their workers, in addition to some public sector employers and workers in the 50 states and certain territories.

Ofgem is Britain’s independent energy regulator. Their role is to protect consumers now and in the future by working to deliver a greener, fairer energy system. They are a non-ministerial government department and an independent National Regulatory Authority.

OklahomaGroup offers premier sales representation to all sectors of the HVAC and Refrigeration markets throughout the state of Oklahoma. Account Managers are dedicated to customer's needs and are supported by market and sales specialists.

OMNIA Partners, Public Sector is the cooperative purchasing organization that is driving excellence in public sector procurement for K–12 schools and districts, state and local governments, colleges and universities and nonprofits. OMNIA Partners offers the most robust portfolio of high-quality cooperative contracts in the public procurement space.

OpenTherm is a non-manufacturer-dependent system of communication between modulating HVAC appliances and room thermostats. It consists of a communication protocol and an interface specification. The OpenTherm communication protocol is primarily designed to control modulating heating appliances. The protocol is available to members of the OpenTherm Association only.

The Passive House Institute (PHI) is an independent research institute that has played an especially crucial role in the development of the Passive House concept - the only internationally recognized, performance-based energy standard in construction.

PHIUS (Passive House Institute US, Inc.) is an organization committed to making high-performance passive building the mainstream market standard. PHIUS+ buildings provide superior indoor air quality, resilience during power outages, and an extremely quiet, comfortable indoor environment.

Air Conditioning in London. Residential and commercial Air Conditioning Installers with 30 Years of Experience in London & Kent. Air Conditioning Installation Contractors - Finance & 5-Year Warranty Available.

The Perfect Technician Academy is a school for Heating, Ventilation, and Air Conditioning (HVAC), created out of the need for a fast-track training program that could develop students ready to perform at high levels entering the skilled trades industry. They are committed to training and preparing heating, ventilation and air conditioning (HVAC) technicians for successful careers.

Serving over 80,000 customers a year, Pimlico is London's pioneering service company excellent on Trustpilot. Founded in 1979, with over 250 vehicles on London's roads, can respond to customer emergencies in under one hour.

The Plastic Pipe and Fittings Association (PPFA) is a North American trade association comprised of member companies that manufacture plastic piping, fittings and solvent cements for plumbing and related applications, or supply raw materials, ingredients or machinery for the manufacturing process.

Qolsys Inc is a pioneer residential and commercial security and smart-home manufacturer. They provide smart thermostat, video monitoring, energy management and home automation.

Quality Heating, Cooling, Plumbing & Electric has provided the residents of the Glenpool and Tulsa, Oklahoma communities with professional heating, cooling, plumbing and electric services since 2014. This locally owned and operated company offers friendly and experienced technicians, industry-leading products, and professional residential systems service. Quality’s employees are also actively involved in their community and committed.

The RPA is an international trade association comprised of individuals and companies dedicated to increasing the use of radiant heating and cooling technologies through education and the development of codes and standards language reflecting best practices. RPA manufacturing members produce the tubing, valves, heat sources, emitters and controls used in radiant floors. RPA engineers and architects design high efficiency radiant hydronic systems.

Rathe Associates offers services like applications, provide technical backup, and field support int he HVAC industry and deals with Commercial Boilers & Water Heaters, Hydronic Heating Accessories & Controls, Radiant Heating & Snow Melting, Commercial Radiation, Pumps & Circulators and Steam Specialties & Controls.

Reacond Associates is a company that works towards selling and partnering with huge HVAC brands and supports the success of their customers and manufacturers.

REFCOM is the UK's market F-GAS certification scheme, operating since 2009. They help companies make sure that they comply with F gas regulations since 2014.

REEF is a non-profit community of corporate sustainability pioneers and industry partners using their collective expertise and buying power to accelerate action on super-polluting refrigerants, with a focus on HVAC applications.

The Refrigerating Engineers and Technicians Association (RETA) exists to enhance the professional development of industrial refrigeration operating and technical engineers through education and certification.

REHVA is The Federation of European Heating, Ventilation and Air Conditioning associations founded in 1963. REHVA's mission is to develop and disseminate economical, energy efficient, safe and healthy technology for mechanical services of building; to serve its members and the field of building engineering (heating, ventilation and air conditioning) by facilitating knowledge exchange.

Rekuprojekt is a specialist in complete supplies of controlled ventilation with heat recovery and electrical installations for family houses, apartments, and commercial buildings. They will ensure the entire process - with an emphasis on quality, reliability and energy saving.

The Retrofit Academy is the driving force in retrofit knowledge and skills: building the supply chain with government, industry & education providers.

Over 30+ years of progressive experience in Mechanical Engineering, HVACR Project Management, Energy Management, Facilities Management, Project Management, Financial Management, HVACR Training and Development, Research, and Management Consulting Models.

Rhodes and Stafford is a company that serves as a representative of companies like Diversitech, Southwark Metals, Berry Global, J. P. Lamborn, Uni-Weld, Hardcast, Glasfloss Industries, Honeywell Genesis Cable, Truaire, Soler&Palau, Fujitsu, JB Ind., Builder's Best, Pro1, Trion.

The Royal Fine Art Commission Trust was set up in 1987 as a complement to the Royal Fine Art Commission, the Government’s independent adviser on matters affecting public amenity and aesthetics in England and Wales. It continues to advance its charitable objectives through commentary on design matters, by undertaking or commissioning relevant research, and by partnering projects where its involvement can add value.

As a globally recognized professional body, everything that Royal Institution of Chartered Surveyors do is designed to effect positive change in the built and natural environments. Through their respected global standards, pioneering professional progression, and their trusted data and insight, RICS promotes and enforce the highest professional standards in the development and management of land, real estate, construction, and infrastructure.