Nelumbo is commercializing a new platform of structural materials. The company’s current focus is on developing improved heat exchangers for the HVAC market.

Nexus offers solutions in hydronic heating and chilled water cooling systems. Products range from Balancing & Control Valves, Air/Dirt Separators.

NIBE has manufactured energy-efficient and sustainable climate solutions for homes. They combine renewable energy with new smart technology to offer effective solutions so that we can together create a more sustainable future.

Niles Steel Tank is a fabricator of shop built ASME Code pressure vessels and steel tanks for all industries. They provide quality products to OEM’s, engineering & procurement companies, and facility management firms. Industries served range from refineries, military, chemical plants, aerospace, press equipment manufacturers, boiler manufacturers and many others

NJR Home Services is a trusted HVAC company dedicated to providing top-notch home comfort solutions. Specializing in furnace installation, air conditioning installation, and water heater installation, they cater to various heating and cooling needs. They offer customers home comfort solutions, including equipment sales and installations; lease and purchase of solar; and Comfort Service Plans, including heating, cooling, water heating.

Noble Company will implement a running change to the edges of our Solid Curbs. Effective immediately, Noble Solid Curbs will now be manufactured without the corner radius. Refer to the illustrations below. This does not affect the performance of the curb or the installation.

Nordic is a family business that continues to grow and develop thanks to a strong second generation business foundation. The Cloutier’s commitment to quality is infused within their name and extended throughout the workplace, where the care for our team members is often likened to that of an extended family as well.

Nordics™ is a trusted HVAC supplier & distributor in Ontario & Canada, providing air conditioners, heat pumps, furnaces & commercial rooftop units to contractors & businesses. With fast shipping & expert support, they deliver high-quality HVAC solutions to meet all project needs. They ensure the long-term performance of heating and cooling systems across various projects.

North Shore Heating & Cooling, is an Illinois (IL) Heating, Cooling, Air Conditioning, Water Heater, Boiler, and Furnace repair, service, replacement and maintenance company, located in Glenview area. North Shore Heating & Cooling employs only the best technician for air conditioner repair, furnace repair, and water heater repair as well as all air conditioner replacement, furnace replacement, and boiler replacements.

Northcoast Plumbing and Heating is a reliable HVAC partner and services provider in Massachusetts, USA. They specialize in water heater replacement, commercial and residential plumbing, kitchen and bathroom plumbing, and both residential and commercial gas piping. Their expert team is dedicated to installing hot water systems and small appliances, such as gas ranges, fire pits, and BBQs, all with top-notch service and short wait times.

Northeast Technical Institute prepares people throughout Maine with new and marketable trade skills, allowing them easy access to exciting careers. Their real-world training equips with the job skills and national certification that the employers are seeking. They provide HVAC training, technical school, vocational school, commercial driving, and certifications.

Northwest Mechanical is the go-to HVAC contractor in the Willamette Valley for all of the HVAC needs. They install and service HVAC, RTU's, commercial kitchen equipment, boilers, chillers, ice machines, walk-in coolers and freezers, and much more! They also have a full sheet metal fabrication shop for custom fabrication needs.

NovelAire provides innovative indoor air quality solutions to Original Equipment Manufacturers (OEMs) serving the residential, commercial and industrial markets of the Heating, Ventilation and Air Conditioning industry. Serving hundreds of OEM accounts worldwide, NovelAire has attained a reputation for innovation, flexibility, and superior product quality and customer service.

Nu-Air designs and manufactures high quality heat recovery ventilators (HRV's), energy recovery ventilators (ERV's), air handlers and vertical fan coils with integrated H/ERVs. Their primary markets are commercial, residential, multi-unit residential and institutional.

Nu-Calgon markets and distributes a complete line of specialty chemical products for the HVACR aftermarket. They provide water treatment, sealants, specialty and service chemicals, coil cleaners, system flush solvents, refrigeration oil, vacuum pump oil, ice machine treatment, indoor air quality.

Established in 2007, Jason and Jane Adderley set up Fox Fittings UK after over 20 years of experience within the electrofusion fitting industry. Initially trading from their home, the company offered a more friendly and reliable service than their larger competitors.

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.

OceanAire is a manufacturer of portable air conditioning units, built specifically for commercial and industrial use. They provide portable air conditioners and heat pumps. 1-5 ton air-cooled and water-cooled models.

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.

ONDA S.p.A. is manufacturing company of advanced heat exchangers for refrigeration, heating and air conditioning equipment.

OneStop Plumbers is a family-owned and operated California licensed, insured and bonded plumbing company serving neighborhoods and businesses within Corona, Chino, Chino Hills, Eastvale, Norco, Riverside, Yorba Linda, Mira Loma, Jurupa Valley and surrounding Corona cities.

ONICON Incorporated has been delivering market leading flow and energy measurement products since 1987. Their inventory includes hydronic insertion turbine flow meters, hydronic inline turbine flow meters, BTU meters, flow computers, vortex flow meters, electromagnetic flow meters. They have been delivering quality engineered flow and energy measurement instruments for hydronic heating and cooling systems for over 30 years.

Onsite Contractors & Plumbing Ltd is the trusted local expert for plumbing, gas fitting, and general contracting services in London. Whether it's residential or commercial, our licensed team delivers reliable, high-quality solutions on time and on budget. From renovations to emergency repairs, they’re here when users need them most.

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.

Optimum Energy’s patented software and engineering expertise has helped customers reduce energy use in heating and cooling systems, the largest consumer of energy in buildings, by up to 50%. Their solutions combine technologically advanced HVAC optimization software with powerful cloud-based data analytics and world-class engineering support.

Organic Heat Exchangers (O-Hx) is the home of the patented 'EnergiVault' technology, capable of storing and delivering vast amounts of thermal energy on demand to drive down the cost of cooling and provide infinitely scalable energy storage.

PACAIR have a proven record in providing multi-disciplinary Air Conditioning solutions attained through years of excellence in the Design, Application and supply of Air Conditioning systems. As an Air Conditioning Supplier, PACAIR have successfully evolved its range of expertise.

Packard is a master distributor of over thirty brands of HVACR solutions and is dedicated to providing the best service, selection and satisfaction to wholesalers.

Packless Industries is a manufacturer of heat transfer and other metal hose products. They provide metal hose assemblies; vibration absorbers; refrigerant heat exchangers; co-axial condensers, evaporators (chillers) and heat pump coils; desuperheaters/heat reclaimers.

Panasonic is a manufacturer of versatile heating and cooling solutions including single-split systems, multi-split systems, ECOi VRF-systems, controls and accessories.