Launched in 2007, Boiler Guide is a network of approved boiler engineers, registered with OFTEC. They currently work with nearly 5000 Gas Safe registered companies across the UK.

BoilerMag provides magnetic filters for domestic, industrial, commercial heating, and cooling systems.

Bois D'Arc International Inc. provides Air conditioning and refrigeration evaporators and condensers water coils, steam coils and special coils; manifolds and headers.

Boland is a commercial HVAC systems, services, and building energy solutions provider in the DC metro area. They help customers succeed by providing innovative solutions that optimize indoor environments through a broad portfolio of energy-efficient heating, ventilating and air conditioning systems,

Boldr is redefining home energy with smart devices that make HVAC systems intelligent. Boldr Pro is a program dedicated to supporting HVAC contractors with exclusive products and software designed to help grow their business and promote customer loyalty with confidence.

Bonheur ASA is domiciled in Norway with its head office in Oslo and is listed on the Oslo Stock Exchange. Bonheur has focused its energy-related investments on renewable energy and has developed a strong eco-system of renewable energy related companies.Bonheur’s first renewable energy investment was made in 1996, through subsidiaries, it owns – partly or in whole – a substantial portfolio of both operating wind farms and development projects.

Bonney is a full-service plumbing, electrical, heating, and air conditioning company based in Sacramento servicing customers across Solano, Yolo, El Dorado, Sacramento, Placer and San Joaquin Counties.

Bonomi North America was founded in 2003 as a sales division of the Bonomi Group, an Italian group in the industrial sector of hydraulics, heating, and energy for the production of components that regulate the passage of liquid and gaseous fluids.

Boone’s A/C has kept the people of North Texas comfortable with quality, affordable air conditioning, and heating systems. Their team of professional technicians can help diagnose any problem and recommend a cost-effective solution. And their affordable A/C and heating systems can help achieve significant energy savings and lower utility bills, month after month.

For over 60 years, Boonstra has been Hamilton’s trusted choice for reliable heating and cooling services. Their licensed technicians work year-round to keep homes comfortable in every season. Prevent breakdowns and discomfort — count on Boonstra for dependable HVAC service backed by their satisfaction guarantee. From furnace installs to AC tune-ups and full system checks, they deliver fast, high-quality results.

Bosch Home Comfort Group is a provider of efficient heating, ventilation, and air conditioning (HVAC) solutions with an innovative product portfolio adapted to regional needs. Following the acquisition of the residential and light commercial HVAC business from Johnson Controls and the Johnson Controls-Hitachi Air Conditioning Joint Venture in August 2025, the company unites a comprehensive portfolio of global and regional brands.

Bosch Thermotechnology is a leading source of high quality water heating and comfort heating systems. In particular, the company offers BOSCH tankless, point-of-use and heat pump electric water heaters, Buderus floor-standing and wall-hung boilers, FHP geothermal systems as well as controls and accessories for every product line.

Boston Properties, Inc. (BXP) is one of the largest publicly traded developer, owner, and manager of Class A office properties in the United States of America (USA). Their quality workplace ensures that employees have the opportunity to make their maximum contribution to Boston Properties and to their career goals.

Bottomley Enterprises is a full-service refrigerated transportation company based in North Carolina. They provide refrigerated trucking for transporting goods that require precisely controlled temperatures across the country. Their equipment is among the newest on the road and are all well maintained, which reduces breakdowns and ensures fresh deliveries.

Bourke Air wants to be there for every step that the clients need assistance with when installing, designing and servicing their commercial mechanical systems. Whether working with their projects team, the installers or their ongoing maintenance personnel, they don't leave the clients hanging at any point of the process.

Bower Fuller is a mechanical and electrical contractor, operating throughout the East of England, London and the home counties from their offices in Suffolk and Kent, United Kingdom.

Bowersox Air Conditioning & Heating is a full-service HVAC company. Their service area includes Venice, Sarasota, North Port, Port Charlotte, Nokomis, Osprey & Englewood. As one of the HVAC companies in the Venice, they set high standard for quality. They take great pride in building long-term customer relationships based on trust, quality services, affordable prices and their skilled expertise.

Bowman Refrigeration is stocked with an extensive inventory of equipment and parts for refrigeration and HVAC. The technicians and fabricators are experienced, safe, well-trained, and motivated, and everyone here takes pride in delivering the best customer service possible. The company has remained heavily involved in the Alaska fishing industry, also branching out into other sectors of the maritime industry and land-based operations as well.

BOXT is an online platform that offers boilers, air conditioning, and electric vehicle chargers. BOXT also improves heating efficiency and installs smart home solutions. BOXT, which serves households nationwide, disrupts the home heating installation market with smart home devices such as thermostats, smoke alarms, cameras, and speakers.

Bozeman HVAC is consists of team members that are highly trained in HVAC services, they are all experts and dedicated to providing services such as heating and cooling installation and maintenance for both residential and commercial areas here in Bozeman, MT.

BP Porter Inc. provides Heat pump, dual fuel control and outdoor thermostat.

BPOWER, as was founded in 2009 as an investment company (originally BPOWER INVESTMENT, as) with the aim of making investments in the field of renewable energy sources. Gradually, this purely investment company became an engineering company, which aims to find optimal solutions for customers and realize the supply of power plants in the field of small energy.

Bradford White Corp. is a full-line manufacturer of residential, commercial, and industrial products for water heating, space heating, combination heating, and storage applications. The company Bradford is made up of Bradford White Water Heaters, Bradford White – Canada, Laars Heating Systems, and Niles Steel Tank®.

Bradford White is an American company with its manufacturing facilities located in the United States of America. Products made by Bradford White are manufactured in the United States using the finest raw materials and components from around the world to deliver the highest quality and value to our customers. Bradford White is American Strong™.

Bradford White Corporation is a team of American-owned companies that designs, engineers, and builds water heating, space heating, combination heating, and storage solutions for residential, commercial, and industrial applications.

Bradley serves a diverse customer base ranging from small local facilities to international corporations such as Walmart, General Motors, and AMC Theaters Corp. The company features an industry assortment of commercial plumbing products in categories such as wash fountains, multi-station lavatory systems, terreon solid surface products, emergency eyewash fixtures and drench showers, electric tankless heaters, patient care lavatory units, etc.

Brady Flanary HVAC is a local, family-owned business that specializes in residential heating and air conditioning. The company's reputation has been built on providing an unparalleled level of expertise and service that ensures the heating and cooling systems in customers' homes work properly.

Braeburn is the value alternative for electronic non-programmable and programmable thermostats, humidification, air filtration and zoning products for residential and light commercial applications.

BRAGIN Heating & Cooling offering service anything from water heaters, mini split, AC, furnaces, heat pumps, service, repair, and much more. Includes replacement and repair of HVAC equipment for both residential and commercial customers in WA. WA Contractor's license (BRAGIHI780MF), insurance and bonds is working.

BrainBox AI is at the forefront of a new era in building automation and a pioneer in the green building revolution. With headquarters located in Montreal, Canada, a global AI hub, their team is comprised of experts in the fields of AI, data science, real estate, HVAC and energy efficiency. The smart solutions HVAC company brings innovation and cutting-edge artificial intelligence to the built environment, making buildings smarter and greener.