Ohio Heating and Refrigeration (OHR) provides commercial and residential HVAC, boilers, building automation, commercial refrigeration, fabrication, and food service equipment.

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.

Okto International, a HVAC provider has been working with the mission is to operate their company under Christ-like principles & standards; with integrity, honor; and work ethic. They are a highly respected service provider in the areas of Heating and Air-Conditioning all over Houston with installation, repair and maintenance.

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.

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.

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

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.

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.

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

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.

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.

Performance Aire manufactures VAV Thermal Diffusers, Air Terminal Units and Zone Control Solutions. Performance Aire has expanded its product line and they are now offering commercial VAV Air Terminal Units and the Fahrenheit™ Zone Control Series, a residential and commercial zoning system.

Peterman is a family-owned residential heating, cooling & plumbing company with offices in Indianapolis, Columbus, Muncie, Bloomington, and Lafayette, Indiana. It specializes in heating & cooling repair & installation, along with plumbing services, drains & sewers.

At Petri Plumbing & Heating, they are proud to live and work in Brooklyn! They’ve been here since 1906, offering fast, reliable, guaranteed Brooklyn plumbing service to all of the customers.

Petrik And Son Inc., the air conditioning service and repair firm in Clarendon Hills IL. They specialize in offering a wide range of air conditioning services including: air conditioning and heating needs.

PFE Corporation is a family owned and operated business offering professional electrical, plumbing, heating, and air conditioning service to home and business owners in Decatur, Illinois.

At Phononic, they believe the world deserves a better way to cool and heat. Their solid-state chip has the power to transform the daily lives, cooling and heating the modern world responsibly, without toxic refrigerants.

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.

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.

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.

Plains Heating objective is to offer the buyers with honest service that is the BEST standard and the BEST value. Plains Heating & Air Conditioning, Inc. is a little family-owned organization that strives to please visitors on every job.

Plano Air Conditioning and Heating, the brand, was started well over 40 years ago. Their greatest hope when users use Plano Air Conditioning and Heating for their air conditioning repairs is that users feel like they have used the best company possible.

Pollock’s Heating And Air Conditioning Inc. specializes in providing quality products, service, and installation users can depend on. They pride themselves in exceptional customer service. Their company specializes in residential and commercial air conditioning and heating installation, service, and repair.

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.

Powerblanket offers highly customized solutions based around inventive graphite heat distribution products, providing a valuable tool for industries needing products to remain at optimal temperatures.

Premier Air Service offers its customers a wide variety of different residential and commercial services to ensure that customer satisfaction is always guaranteed! In addition to affordable air conditioning and heating services, they offer an Energy Savings Preventative Maintenance Plan for the home or business.

Prihoda fabric ducting diffusers are custom UL/ULC approved air diffusion devices. Lay-in laminar flow diffusers, custom graphics/colors, hold open tensioning, nozzles, antimicrobial.