Nuova Climair Snc offers assistance, installation and sales service, authorized by the best brands on the market. Thanks to the experience and passion gained by the founding members, the professionalism of a staff of specialized technicians and above all the use of original spare parts, they can guarantee all their services at the most convenient prices and most responsive to customer needs.

Nuvolo is the pioneer in modern, cloud-based Connected Workplace solutions. They provide a single platform to manage all people, all physical locations, all assets, and all work – enabling data sharing across departments.

nVent RAYCHEM is a provider of heat-trace management systems for infrastructure, industrial, commercial and residential buildings, with operations globally. They help customers enhance productivity and reduce their costs by simplifying installation and minimize downtime during operation.

NWPX Park, a division of NWPX Infrastructure, is a pioneer in the design and construction of innovative water utilities and environmental solutions, and is proud to highlight its MeterVault® water meters and BackFlo® backflow prevention product lines. These advanced solutions provide accurate, real-time consumption data with automated leak alerts and certified, hydrostatically tested backflow protection in turnkey assemblies.

NYC HVAC Contractor provides expert residential and commercial HVAC services across New York City, USA. From AC installation and heating repair to energy-efficient system upgrades, their certified team delivers fast, reliable service with unmatched professionalism and attention to detail. They are a licensed and insured HVAC company committed to fast, efficient, and high-quality air conditioning and heating services.

Nyle Systems is a manufacturer of commercial energy-efficient heat pump water heating systems.

At O-Hx, they aim to transform industrial and commercial cooling. Their focus is on innovation, sustainability, and efficiency. Boasting over 50 years of combined expertise, they lead in thermal energy storage technology.

O.T. Hall & Son has been successfully promoting electrical, lighting, heating and networking products since 1920. They are family-owned and operated and service Maryland, DC, Virginia, Delaware and the panhandle of West Virginia.

Since 2000, Oakleaf Commercial Services has been providing high quality, professional, property maintenance and construction services. They also offer a wealth of services including responsive repairs, building construction, modernizations and adaptions, grounds maintenance, fleet services, a PVC-u manufacturing facility and a bespoke joinery workshop.

Oatey operates a comprehensive manufacturing and distribution network to supply thousands of products for professional builders, contractors, engineers and do-it-yourself consumers around the world.

OCTOPUS Systems was founded in 2013 by a team of experienced security and technology experts with the mission of creating a new breed of smart, agile, and easy-to-deploy Command and Control software system.

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.

Ohio Heating and Refrigeration (OHR) provides commercial and residential HVAC, boilers, building automation, commercial refrigeration, fabrication, and food service equipment.

Oilon is a Finnish energy technology company specializing in low-emission burners, industrial heat pumps, and chillers for sustainable heating and cooling. Founded in 1961, it operates globally with a focus on reducing CO₂ emissions and promoting energy efficiency.

For more than half a century, OJ Electronics have been designing and developing electronic controls for electric underfloor heating and HVAC Controls & Drives. They give access to deep application knowledge and innovative power and help differentiate themselves in the market. They are here to help build their customers’ business.

Okto International, a HVAC provider has been working with the mission is to operate their company under Christ-like principles & standards; with integrity, honor; and work ethic. They are a highly respected service provider in the areas of Heating and Air-Conditioning all over Houston with installation, repair and maintenance.

OLSSON-GROUP specializes in heat exchangers, plate heat exchangers in particular. Their team has years of experience in the design and sale of heat exchangers brazed and gasketed. They supply heat exchangers for heating, hot water, cooling, solar systems etc.

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.

OMS Machinery Co.,Ltd. is a High-Tech company, dedicated to the development and production of automatization, digitalization, and intelligentization equipment. Located in Zhongshan, Guangdong, OMS employs 80 professional engineers, and is well equipped with facilities. The company’s quality system and measurement system are ISO certified.

Everything ÖMV AB builds – from storage tanks to pressure vessels and heat exchangers – is built according to their own designs and drawings, based on users needs and specifications.

On Air services the South Palm Beach County areas, Broward County and North Dade County.We install and service all major and minor brand air conditioners, serving both Residential and Commercial Customers.

On Target Media is a Singapore-based marketing services company, helping companies in diverse industries including HVAC, security solutions and fire products with reaching their target customers. The company helps organizations across the supply chain, be they a HVAC manufacturer, distributor, or an integrator, fulfil their marketing objectives primarily through digital media and marketing.

One Hour Heating & Air Conditioning® of Lee's Summit is the most trusted source of HVAC services in the Lee’s Summit area. Their team of Lee's Summit heating and cooling technicians are highly trained and licensed, so that they can provide the best Lee’s Summit HVAC repairs, installation, and maintenance possible.

One Source Home Service, an Air Pros company, was founded on the premise of Integrity, Reliability, and putting the customers first. One Source Home Service is here to help the users with HVAC, ductwork, plumbing, electrical, and home energy needs in the Colorado Springs and Pueblo, CO areas.

One Source, Inc. provides complete building management services for commercial properties throughout San Diego. they work with clients in a wide variety of industries to coordinate services in every area of maintenance, from janitorial services to landscaping, high-pressure washing, carpet cleaning, window washing, junk removal, and much more.

Customers will often call when their home is uncomfortable and One Stop Heat & Air's goal is to provide them with fast, friendly, and efficient heating and or cooling services. Heating or cooling issues are never convenient, and they can also be stressful and expensive. One Stop aims to provide customers with the best service at a reasonable price.

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.

Optergy provides effective tools to help manage the building’s comfort conditions and improve tenant retention. By optimizing comfort conditions (temperature, humidity, and ventilation) they can ensure the tenants are happy and more productive.

Building owners and facility managers are quickly adapting to smart building trends that can both attract tenants and improve operational efficiency. Today, commercial buildings are more linked with connected devices than ever, from lightbulbs and thermostats to security alarms and elevators.

Optima Heating and Air Conditioning has provided Melbourne homes and businesses with heating and cooling solutions for more than 30 years. Their extensive industry experience and strong supplier partnerships allow them to provide affordable heating, cooling, and ventilation solutions across residential and commercial projects.