The Bioenvironmental and Structural System (BESS) Laboratory is a research, product-testing and educational laboratory. The lab provides unbiased engineering data to aid in the selection and design of agricultural buildings and assists equipment manufacturers in developing better products.

BioZone offers chemical-free air and surface HVAC solutions for cleaning both residential and commercial enclosed spaces. BioZone Scientific International Designs, sells, and installs Chemical Free Purification Systems to Eliminate Viruses, Bacteria, Fungus, Other Microbial Growth, and Odors.

Birch Hearth & Home Center is the one stop shop that provides heating and cooling sales and service to the Tri-State area of Lowa, Illinois and Wisconsin. They offer years of experience in installation and service of the furnace and air conditioning needs.

Birko Electrics started life just prior to World War II, making soldering irons for local markets. During the war, a need was identified for some from of portable food and drink heating vessel. Birko expanded further, making industrial elements for washing machines and air conditioners. The element plant developed elements for Birko's domestic appliance market, which further improved the quality and efficiency of its products.

Bison® has helped customers differentiate their products by developing robust, flexible and durable motors, blowers and pumps under the brand names – Bison® Gearmotors, Lamb®, Nautilair®, Prestolite Motors, ROTRON® Regenerative Blowers, ROTRON® Transportation, and Windjammer®.

BITZER is an internationally leading, independent specialist for refrigeration and air conditioning technology with activities in refrigeration, air conditioning, process cooling, transport as well as services. The BITZER Group caters to the cooling of temperature-sensitive goods and reliable indoor temperature control with energy-efficient and high-quality products and services.

BITZER US, Inc. provides OEM and aftermarket customers with Screw Compressors to 320 HP, Recips to 50 HP, Scrolls to 40 HP and ASME Shell and Tube Heat Exchangers. With its environmentally friendly solutions and innovative electronic products, BITZER is driving the refrigeration and air-conditioning industry around the world.

Blackhawk Supply is a privately held small business located in the Midwest, with over 30 years of experience in the HVAC Controls Industry. Their team consists of professionals dedicated to provide top-of-the-line products, excellent technical expertise and exceptional customer service. As a leader in the HVAC controls industry, they specialize in offering a diverse range of HVAC parts, including sensors, valves, actuators, and more.

Blalock Heating & Air is a family-owned and operated company offering a wide variety of products and services to meet all residential and commercial heating, cooling, and ventilation needs. With over 40 years of experience, their professionals deliver a range of effective services at fair prices.

BLC Industries Inc. is a Manufacturer of air filtration: components; filters; custom and standard filtration equipment (frames and housings); automatic filtration equipment; purification/absorption; moisture separation; HEPA equipment and HVAC accessories.

Blocksom & Co. is a diversified manufacturer of a wide variety of natural fiber products. These products are marketed throughout the continental United States and Canada to supply the demands of industries including heating and air-conditioning, furniture, U.S. government and military, construction, and aquaculture.

Consistent high Quality is paramount importance at Blue Cold Refrigeration and as a result of which they reached leadership position in the cold room and cold storage segment.

Blue Flame Heating & Air Conditioning offers services like A/C installation & repair, furnace installation & repair, maintenance & tune-up, system replacement, heat pump repair, indoor air quality check, thermostats, water heater, electrical repair & troubleshooting.

Blue Frost only installs equipment like Trane furnaces and Air Conditioners. They also install the industries best supporting products to enhance the comfort such as thermostats, humidifiers and air cleaners to keep the home clean and comfortable.

At Blue Ridge Heating & Cooling, their story is rooted in a commitment to impeccable service and integrity, shaped by the vision of the founder, Bill Stueber. Bill's journey began with his tenure in the United States Air Force, where he honed his skills in refrigeration, heating, and cooling at Hickam Air Force Base in Hawaii.

Blue Star Heating and Air is a globally renowned air conditioning and commercial refrigeration company with over seven decades of experience in providing expert cooling solutions. It fulfills the cooling requirements of a large number of corporate, commercial as well as residential customers, as well as offers products such as water purifiers, air purifiers and air coolers.

Looking to the world challenges coming from Climate changes and Environment protection regulations, BlueBox develops Products and Solutions for Commercial Comfort Cooling and Heating, Technological Cooling, and Data Cooling, bringing to the market innovative ideas and offering the client the best Total Cost of Ownership for their projects.

From integrating an energy efficient, wall or concealed ceiling air-conditioning system for a small office to a fully environmental zone controlled cooling, heating and ventilation system for a commercial premises - Blueflame have the relevant technical expertise, engineering experience and solutions for customers.

Blueflame Commercial specialize in the design, integration, maintenance and repair of commercial heating, HVAC and renewable energy heating systems, from component level and service contracts to heating appliances and industrial scale plant room infrastructure. Heating system compliance testing, auditing and insurance certification services are provided too.

Established in 1981, Bluenix Co., Ltd. has been a leader in the Korea domestic market with advanced technology and quality in the fields of commercial refrigerators. Now, in the new global era, Bluenix is launching the state-of-the-art engineering and biotechnology businesses through future-oriented and innovative technological development.

Blues Air Services Inc., is a Residential HVAC Company in Western Washington.

Since 1954, Bluflame Heating and Air Conditioning has been a Toledo area expert in finding solutions, this is important because their solutions make home comfortable. However solutions don’t 'just happen'. Solutions, like luck, happen when hard work and preparation meet opportunity.

Bluon is a fast-growing company with a mission to bring unparalleled innovation to the HVAC industry by empowering HVAC technicians.

BMIL specializes in the design, engineering, and packaging of commercial and industrial refrigeration projects worldwide. With over 65 years experience in virtually every area of the world, our capabilities are unmatched by any other company.

BNK Heating & Cooling offers comprehensive heating and cooling services in Cleveland, Ohio, USA. Their solutions include air conditioning services, heating services, repair, replacement, and more, ensuring comfort for residential and commercial clients.

Bogner Sheet Metal serves the residential and commercial communities. They offer sheet metal, heating, and air conditioning sales and service.

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

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,

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.

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.