Nyle Systems is a manufacturer of commercial energy-efficient heat pump water heating systems.

Octopus Energy drives system change: with transformative tech to make renewable energy the norm and end global reliance on fossil fuels. Octopus Energy Group is made up of 10 businesses spanning 6 countries across 3 continents, including: Octopus Energy Retail, Kraken Technologies, Octopus Energy Generation, Kraken Flex, Octopus Electric Vehicles, and the Octopus Centre for Net Zero.

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.

On Air services the South Palm Beach County areas, Broward County and North Dade County.We install and service all major and minor brand air conditioners, serving both Residential and Commercial Customers.

One Source Home Service, an Air Pros company, was founded on the premise of Integrity, Reliability, and putting the customers first. One Source Home Service is here to help the users with HVAC, ductwork, plumbing, electrical, and home energy needs in the Colorado Springs and Pueblo, CO areas.

Customers will often call when their home is uncomfortable and One Stop Heat & Air's goal is to provide them with fast, friendly, and efficient heating and or cooling services. Heating or cooling issues are never convenient, and they can also be stressful and expensive. One Stop aims to provide customers with the best service at a reasonable price.

ONICON Incorporated has been delivering market leading flow and energy measurement products since 1987. Their inventory includes hydronic insertion turbine flow meters, hydronic inline turbine flow meters, BTU meters, flow computers, vortex flow meters, electromagnetic flow meters. They have been delivering quality engineered flow and energy measurement instruments for hydronic heating and cooling systems for over 30 years.

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

OxiCool, Inc. is a Pennsylvania based company that develops air conditioning technologies which are widely in use in commercial and military spaces. The company is dedicated to developing environmentally friendly cooling technologies that have low operating and maintenance costs.

PED Associates Inc. is a manufacturers’ representative company serving HVAC/R, appliance parts, wholesale distributor, OEM’s and exporters.

Packless Industries is a manufacturer of heat transfer and other metal hose products. They provide metal hose assemblies; vibration absorbers; refrigerant heat exchangers; co-axial condensers, evaporators (chillers) and heat pump coils; desuperheaters/heat reclaimers.

Pamlico Air, Inc. is a family owned business. They have been in operation since 1990. From the first day in business, their goal has been to provide first rate service with top-quality products.

Panasonic is a manufacturer of versatile heating and cooling solutions including single-split systems, multi-split systems, ECOi VRF-systems, controls and accessories.

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.

Parker Hannifin Corp. provides system protectors, valves and controls for industrial, supermarket, appliance, commercial, residential and mobile air conditioning and refrigeration applications. They provide Signature brands include Sporlan, R/S, HERL, Micro Thermo Technologies.

Paschal has provided professional Heating & Air, Plumbing & Electrical services to homeowners & businesses in Arkansas, Texas, Oklahoma, Kansas & Missouri. They provide air conditioner repair and replacement services, water heater installation, generator sales & service, & more.

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.

Established in 1940, Paul Mueller Company builds stainless steel processing equipment that cools, heats, and stores the products you use every day. They are the global supplier of heating, cooling and storage solutions that allow farmers, brewers and engineers to keep their products fresh and their inventory strong.

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.

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.

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.

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.

Pfannenberg, Inc. is a Manufacturer of Thermal Management, Liquid Cooling Solutions, and Signaling Technologies.

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.