Founded in 1977, Newark Cylinders is a family-run business that specializes in manufacturing bespoke hot water storage solutions, crafted from high-quality stainless steel and copper. They offer a diverse range of products, from small-scale marine calorifiers and domestic cylinders to larger industrial calorifiers, thermal stores, unvented cylinders, and buffer vessels. Each unit is fully customizable and designed to meet exact specifications.

Nexia is a globally renowned smart home systems provider based out of Broomfield, Coloroda, USA. They provide home automation systems, climate control solutions, energy sustainability solutions and IoT devices.

Nextech's primary services include commercial HVAC services and installations for multi-site commercial customers. Nextech has 40+ regional offices strategically located nationwide and provides self-performing commercial HVAC/R service across the continental United States. They also provide commercial electrical and lighting solutions to ensure safety, energy efficiency, and reliable performance across facilities.

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.

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.

NS Aircon is the best AC, refrigerator, microwave oven, and washing machine repair and service center in Vasai, Virar, and Nallasopara regions in Mumbai. They provide 24/7 service and assistance can be presented in 1 hour at the doorstep. Their qualified engineers use their huge business knowledge to quickly identify problems and resolve them in low-end estimates.

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.

Founded in 1966, Nuaire is an indoor air quality and ventilation manufacturing specialist, with multi-award-winning ventilation systems that are used in a wide range of commercial and residential applications, including hotels, houses, stadiums, museums, and healthcare services.

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.

Oasis Heating and Air Conditioning is a heating and air conditioning company in Milwaukee, WI. They are committed to providing their customers with the most reliable customer service possible. They specialize in HVAC installation, repair, maintenance, and water heaters. Their team comprises highly trained professionals who are experts in their field and will always strive to provide customers with the best service possible.

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.

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.

Oceanair (Oceanair UK Ltd.) is an award-winning distributor of air conditioning and heating products. They use their wealth of industry experience to help consultants, installers and end-users achieve their objectives by developing cost effective, energy efficient solutions they trust us to deliver. They offer a complete design service for both Air to Water (A2W) and Air to Air heat pumps.

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.

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.

Oozzio offers an one-stop-shop for HVAC supplies! Whether for appliance repair, HVAC business, or a DIY enthusiast, Oozzio has everyone covered. Discover top brands, heating, cooling systems, furnaces, mini splits, air conditioners & accessories at their stores. Their user-friendly website and powerful search tools are the most trusted source for residential & commercial HVAC equipment.

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.

Ordine's Air Conditioning And Heating Inc. stands out in the heart of Tampa Bay, Florida, as a distinguished family-owned and -operated AC company with a rich heritage spanning over 30 years and three generations. They pride themselves on their reliability, expertise, and customer-focused service, ensuring customers' heating, ventilation, and air conditioning needs are met with the highest standards.

Oxygen8 is changing the way buildings provide healthy, comfortable and energy efficient spaces for occupants. They provide 100% fresh, filtered air and smart technology for maximum comfort and value.

The Danish-based company was founded in 1988. Pioneering developer and manufacturer of research manikin systems, including thermal manikins, sweating manikins, and breathing manikins - ideal for evaluating the thermal comfort of HVAC systems, clothing & protective equipment, vehicle cabins and indoor environments in general.

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.

Established in 1940, Paul Mueller Company builds stainless steel processing equipment that cools, heats, and stores the products you use every day. They are the global supplier of heating, cooling and storage solutions that allow farmers, brewers and engineers to keep their products fresh and their inventory strong.

Perfect Temp Heating and Cooling is one of the best HVAC contractors in Minneapolis, MN, USA. At Perfect Temp, their commitment is to provide customers with the best possible service experience goes beyond just honoring a warranty or showing up when called upon.

Phillips and Temro Industries (PTI) is a company with a rich 100-year history as a global OEM and aftermarket provider of custom engineered thermal and electrical solutions. PTI’s future is focused on the continued evolution of engines and new energy vehicles as the company continues to provide solutions that maximize equipment performance, reliability and safety.

Phoenix ACR Limited specializes in all aspects of Air Conditioning and Refrigeration for both the commercial and residential sectors throughout the South East including London. They work closely with their clients to ensure their needs are always met and that satisfaction is the end result. Their technicians specialize in the installation, maintenance, and repair of high-quality, energy-efficient air conditioning and refrigeration systems.

Pinnacle is a BIM service provider in offering customized solutions to Architecture, Engineering & Construction (AEC) firms globally. Pinnacle provides Marketing BIM Presentation, BIM Engineering Services, HVAC, and Revit family.

Pinnacle believes in the old-school business principles of trust, reliability, and quality and has assembled a portfolio of companies that operate with integrity and a community-focused mindset.

PipeDreams buys businesses with amazing teams and uses technology to grow them into industry-pioneering organizations. Team comes from companies like Nextdoor, Bain, and Roto-Rooter. They have a deep understanding of small business dynamics and unique insights into the technology, local marketing, and M&A needed to disrupt home services.

PM IMPIANTI was founded with the aim of building and installing pre-insulated aluminum, galvanized sheet or stainless steel ducts: experience and professionalism at the customer's service. Over time, they have also specialized in the design, installation and maintenance of split, mini-split and air conditioning systems