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.

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.

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.

The history of the ORION dry pump started in Japan with the oil-free rotary vane vacuum pump. Thanks to its reduced noise and longer life, the dry pump has been indispensable in automation and labor-saving applications, playing an active and wide-ranging role for every kind of industry

Orival has supplied thousands of filtration units for a wide variety of customers, including Fortune 500 companies, farms, local municipalities, federal government agencies, and many more. Orival automatic self-cleaning filters are proven effective in filtration or recirculating and once through cooling water and chilled water in HVAC systems.

Orell Filtration is based in Stalybridge and supplies Dust Extraction Equipment, Bulk Bags, Air Filters, Filtration Products, Filter Fabrics, Filter Sleeve Bags, Multipockets, and much more.

Over 25 years ago, Victor Orzech began an HVAC company out of a basement workshop in his home. The years have brought many changes, but one thing remains the same: a commitment to the highest level of service and installation in the HVAC industry.

As a full service Air Conditioning, Heating and Ventilation company, OSBORN AC and Heat has been delivering high standard HVAC services.

Oventrop is one of the European manufacturers of valves and controls for the Building Services Industry. The company is an expert partner to stockists, consultants, contractors, and industry. Oventrop offers its partners a long-term beneficial relationship.

Over represents what every innovative company must be: Over and Above. Following this concept, it is set to establish a global standard for energy management and indoor air quality to make cities healthier, smarter, and more efficient. Over aim to be a pivotal resource with a collective effort to combat environmental issues mainly climate change and achieve energy efficiency within the UN Sustainable Development Goals.

Oversluizen distinguishes itself by developing and producing cooling solutions for the industry 1-on-1 with the client. In their own factory in Ridderkerk they calculate and produce the coolers for the project in-house.

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.

P & R Heating provides a wide range of installation and servicing such as mechanical installation, plant room renewals, heating installation (large and small scale), hot and cold water storage and distribution, plant control installations, gas and oil servicing and maintenance, periodic test and inspection, emergency lighting and much more.

Pacifica Home Services Ltd. provide a wide range of HVAC and home improvement services in the region of Houghton Le Spring, in Sunderland, in the United Kingdom.

Pack HVAC are dedicated to provide top-notch heating, ventilation, and air conditioning (HVAC) solutions to ensure optimal comfort and air quality for homes and businesses. Their skilled team specializes in a full range of services, from routine maintenance and quick repairs to new installations and system upgrades. They understand that each home and business has unique cooling needs, which is why they offer customized solutions.

Fusing Panasonic's cutting-edge technology with Anchor's extensive reach and customer support, they now present a seamless array of innovative Electrical Construction Material (ECM), lighting, ventilation, smart homes, solar and EV products that surpass global standards.

At Parasense, they provide food retail, military, nuclear and industrial sectors with innovative and cost effective refrigerant management, energy management, systems integration and performance management solutions.

Paschal Heat, Air & Geothermal, the team of trained and certified HVAC technicians in Northwest provides timely, friendly support, and they guarantee 100% satisfaction from start to completion.

PHIUS (Passive House Institute US, Inc.) is an organization committed to making high-performance passive building the mainstream market standard. PHIUS+ buildings provide superior indoor air quality, resilience during power outages, and an extremely quiet, comfortable indoor environment.

Paul's Heating, Cooling, and Duct Cleaning and team of technical specialists are specialized in the installation and service of all major brands of quality heating and air conditioning equipment for both residential and light commercial use.

PCB Technical Solutions specialize in commercial and retail HVAC and Mechanical projects. From their full design and quotation services, through to the installation, project management and maintenance teams, they are able to provide the clients with their full specification.

PCI Industries Inc. dba Pottorff manages two distinct divisions. One is a renowned manufacturer of damper, louver, silencer, and architectural sun control products. These products are sold through exclusive representatives across North America under the brands above. And the other division is Air Product Sales, a representative and primary supplier of commercial HVAC products servicing Southern CalifornAir control a

PCI Membranes is the specialist filtration and separation company based out Whiteley Fareham, Hampshire, United Kingdom. They specialize in custom-built crossflow membrane filtration systems for liquid separation in the process industries. PCI Membranes also offers process solutions for a wide variety of filtration applications using microfiltration, ultrafiltration, nanofiltration and reverse osmosis technologies.

Peak Heating & Cooling Inc. specializes in the repair and replacement of the heating and cooling systems for the home or business. Peak Heating & Cooling Inc. will send only the best technician to fix the plumbing problem, air conditioner repair and, gas or propane (LP) furnace and heater repair as well as the air conditioner installation, furnace, boiler replacement, and tankless hot water heaters installation.

Pentair is a globally renowned provider of energy efficient water treatment systems, filtration products, pumps and water systems for residential, industrial, agriculture and commercial applications. They also offer a wide range of filters, valves, venting systems, heating and cooling solutions, industrial filtration and fire suppression systems.

Peoples Heating and Cooling has been a household name in the Shelbyville and the Greater Indianapolis area. With thousands of customers who rely on them for their home and business heating and cooling needs, Peoples Heating and Cooling provides prompt, professional, and friendly service all at an affordable price.

Perdido Heating and Air Conditioning cater to all air conditioning and heating needs. They service and repair their customers with excellence. They do sales, service, and installation and make sure their customers feel good at home or business. They also provide estimates on new installations.

Perdido Heating and Air Conditioning, the team of certified technicians make sure that the customers get the most out of what they spend from their pocket.

Perfect Cycle specializes in the purchase & sale of refrigerant gas, chiller recovery, reclamation, plus manufactures a complete line of recovery & reclaim processing machinery.

The Perfect Technician Academy is a school for Heating, Ventilation, and Air Conditioning (HVAC), created out of the need for a fast-track training program that could develop students ready to perform at high levels entering the skilled trades industry. They are committed to training and preparing heating, ventilation and air conditioning (HVAC) technicians for successful careers.