The Passive House Institute (PHI) is an independent research institute that has played an especially crucial role in the development of the Passive House concept - the only internationally recognized, performance-based energy standard in construction.

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.

PassiveLogic is disrupting the world of automation with the first fully autonomous platform for buildings. They reinvented automation to replace legacy control logic with real-time control decisions at the edge, reducing the world's carbon footprint, while paving the way for smart cities.

Patriot Heating and AC are proud to be industry leaders. The certified master technicians are in the top 1% of all technicians in the entire metro area. They are members of the Better Business Bureau and have achieved an A rating with them. Angie’s List has given us an A+ rating and awarded us the Super Service Award for 7 years in a row.

Patterson-Kelley serves the commercial heating industry with the most respected products in the field. They provide Commercial Boilers, Commercial Water Heaters, Fabricated Systems, Commercial Solutions, Heating Solutions, Engineeering Solutions and much more.

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.

PCE Instruments are the manufacturer and supplier of test devices, control systems, lab equipment, scales and balances. They have headquarters in Germany and sales offices around the world, including UK and US.

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.

Pelion was originally founded as an incubation unit within Arm, the designer of key technologies at the heart of computing. With a unique combination of global IoT connectivity and device management from a single vendor, Pelion breaks down barriers to IoT adoption for anyone looking to transform their industry.

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.

Representing quality manufacturers, Pepco has 20 reps and sales offices in Dallas, Austin, Houston, El Paso and Tulsa to service our customer base in Texas, Oklahoma, New Mexico, Arkansas, and Louisiana.

Perceptyx is the most comprehensive listening solution available to illuminate the employee experience and see the whole organization thrive.

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 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.

Permatron is the manufacturer of air filters and air intake equipment protection: electrostatic washable hi-efficiency, activated carbon odor/fume/gas removal, metal mesh and hail guard netting.

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.

Pharma Cooling has developed a unique cooling technique that is protected by various patents worldwide. It concerns a combination of a hybrid cooling technique, where active and passive cooling work together in a smart way, in a robust design. This makes the Cool Guard the only cooling solution that can be used for both transport and storage.

Phelps Heating and Cooling, Inc. is locally owned and operated and the heating and air conditioning service company in Hodgenville, KY, which means that users get the assurance and the relationship of a local business

Philco provides heating and cooling products for residential and light commercial industries. They provide Air conditioners, gas furnaces, heat pumps, air handlers, air cleaners.

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.

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.

Pilar Services, Inc. is a full-service mechanical contractor that specializes in installation, new construction, sales, service, and maintenance contracts for all sizes and types of air conditioning and refrigeration equipment.

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.