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.

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.

Ouellet is the manufacturer of heating and ventilation equipment for institutional, commercial, industrial and residential applications; electric heating equipment to include unit heaters, ceiling heaters, cabinet heaters, baseboard, bath ventilation, Heating Cable, Self-Regulating Cable etc.

Palatine Heating & Cooling Company offers quality service in Palatine and the surrounding suburbs. They provide installation, repairs and maintenance services.

Panasonic is the premier manufacturer of powerful, energy-efficient ventilation fans and indoor air quality solutions. We produce the highest quality, code compliant solutions available in the market today.

Parkair is a 100% Italian company with over 40 years of experience in air treatment and conditioning. Thanks to its wide range of products, it can provide high-quality and reliable solutions for every energy need without resorting to invasive external units. It is present throughout the EU territory athrough a dense network of installers and distributors, available to provide targeted advice to identify the best energy solution for the customers.

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.

Peerless Blowers is a vertically integrated manufacturer of fans and blowers used in commercial and industrial applications. They produce a wide variety of ventilation/air moving equipment that offers solid performance, smooth operation and excellent value.

PemTech offers world-class quality and unparalleled customer service with a wide range of industrial gas detection systems. The company's industrial gas detectors and wireless gas sensors are equipped to handle a variety of toxic and combustible gases. Their detectors specifically designed to monitor Hydrogen Sulfide (H2S), Carbon Dioxide (CO2), Methane (CH4), and various combustible and toxic gases.

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.

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.

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.

PillarPlus is an MEP consultancy firm aiming to revolutionize the MEP (fire safety, mechanical, electrical and plumbing) industry through their AI technology. Their proprietary software ensures a 100 times superior MEP experience. From site supervision to client meetings, their technology-first approach ensures flawless construction combined with profound expertise.

Pinnacle Heating & Cooling was founded in Homer Glen in 2008, and they’ve been providing superior heating and cooling services in the area ever since. They have a professional, knowledgeable, and fully trained staff, so they can trust in the quality of their work.

For the past two years, engineers have been perfecting a paint that passively cools a structure so that it is less reliant on energy dependent cooling systems. Pirta paint reflects solar heat away from a surface and allows that surface to lose more heat than it absorbs from the sun, and it does so more effectively than any other product on the market.

The Plastec Ventilation fan that we purchased is economical, was delivered in a few days and has exceeded my expectations. It is quiet and out of sight and out of mind. I highly recommend Plastec Ventilation for any of your fume hood or corrosive gas exhaust applications.

Plumhouse manufactures central heating chemicals, radiator controls, fire valves, pumps, central heating controls, thermostats, motorized valves and more.

Polar Engineering loves engineering energy recovery and industrial refrigeration systems. Its team prides itself on taking the time to truly understand the wants, needs, and values of each of our clients. This allows to create client-focused solutions that delicately balance initial costs, operating costs, energy efficiency, and greenhouse gas reductions.

Polytroniks is equipped with skills and knowledge in Refrigeration Systems so they can provide professional advice for chiller sizing, troubleshooting/repair, and turnkey solution design for Industrial Recirculating Chiller, Semiconductor Chiller, Ultra-Low Temperature Chiller, Cryogenic Chiller, Screw Chiller, Glycol Chiller, Food and Beverages Chiller, Thermal Control Unit (TCU).

Porex is a globally-renowned manufacture of porous wicking, filteration and diffusion solutions. This global HVAC solutions company provides a wide range of filteration, venting, diffusion, absorption and wicking solutions for a wide range of applications. POREX porous plastic filter and separation media materials have long been used in the most demanding filtration and separation applications from water and industrial filtration to bio-science.

Since 1997, Powered Aire has specialized in manufacturing stainless steel air curtains. Their product line has evolved since the early years but the foundation has remained unchanged. American-made quality, innovation, leadership, service, and community are the company's core values.

Established in 1992, it was created to meet the demand of the civil and industrial plant engineering market in the thermal, fluidic and aeraulic sectors such as: suction and dedusting systems, systems in potentially explosive atmospheres, recovery and air treatment systems in general.

Precision Air Solutions delivers the highest quality HVAC services, installations, and sales. They provide real value and cost effective solutions with the goal to always exceed their customer’s expectations.

Premier Heating + Air focuses on providing high-quality residential heating and cooling installation, repair, and maintenance. They install Consumer Reports top-rated brands with the highest trained NATE Certified technicians as well as the best warranties and guarantees in the industry.

Prévoté provides globally renowned transport and logistics services, including transport, vehicle rental, logistics and courier solution in Paris, France.