Global Optimism is a purpose driven enterprise focused on social and environmental change. Global Optimism exists to precipitate a transformation from pessimism to optimism as a method of creating social and environmental change.

GNPW Group develop special businesses and projects in the area of ​​energy, fossil and alternative fuel logistics. The GNPW Group was founded in 1993 and is formed by companies with outstanding performance in business development and special projects in the areas of Energy, Logistics and Fossil Fuels.

Goettl Air Conditioning and Plumbing is an HVAC and plumbing service company offering exceptional air conditioning and heating services throughout the Phoenix, Tucson, Las Vegas, and Southern California areas. Established in 1939, Goettl offers the highest quality AC and heating equipment and a full range of maintenance, repair, and replacement services.

Stay cool (or warm) with Goff Heating and Air Conditioning in South Bend, Indiana, USA. They’re the experts in energy-efficient HVAC solutions, offering top-notch installation, 24/7 emergency repairs, and pristine duct cleaning. Their unique touch includes personalized home comfort plans and thorough air quality assessments, ensuring homes are comfy and the air is fresh.

Golden State Comfort Systems provides solutions like Heating and Air Conditioning and are based out of USA. They are very thorough in their HVAC installations and make sure that the equipment are the right units for any needs and that they are the correct size. They also inspect and seal ductwork to reduce waste and improve indoor air quality.

As a family-owned and locally-operated plumbing company in Covington, GOODBEE PLUMBING provides fast and reliable service to property owners throughout Ponchatoula, St. Tammany Parish, Hammond, and the surrounding areas. Their local plumbers have so much more to offer, whether looking for help with a remodel, need the backflow preventer inspected, or are looking for a thorough drain cleaning.

GOODFELLAS AC is a trusted HVAC company serving the vibrant community of Tucson, AZ. They take pride in being a family-owned-and-operated business dedicated to providing top-notch HVAC services. As Tucson locals, they understand the unique climate challenges this beautiful city presents and are committed to ensuring the comfort year-round.

Gradient’s mission is to cool the world by transforming every home to be more comfortable and healthy for the people who inhabit it — without compromising the environment. The company's vision is a future where everyone has access to comfortable buildings that are fully decarbonized. Their launch product is a direct-to-consumer high-efficiency and low-carbon heat pump.

Great Guys is one of the fastest growing Technician Owned HVAC & Electrical companies in the Denver Metro! Their trusted Heating, Cooling, Ventilation & Electrical technicians solve all HVAC problems, and make recommendations for improved solutions to ensure the home or business is always comfortable, efficient and safe. They offer comprehensive services and equipment that are uniquely selected to best meet varying needs.

Green Builder Media is a globally renowned media company in the North American residential building and HVAC industry, focused exclusively on green building and responsible growth. With a comprehensive suite of print media, online options, demonstration homes, case studies, training and education vehicles, and live events, Green Builder Media assists building professionals prepare themselves for the new green economy.

Green Clean Institute is a globally renowned green energy certification and standards organization for HVAC systems and services. They have been offering green training and certification for over twenty years now.

The Green Point network is focused on satisfying all your requests as a customer. This service organization with over 50 locations worldwide ensures customers get the right support. Green Point specialists offer a wide range of services, from engineer to engineer, because you deserve the best response. Compressor repairs and overhauls, original spare parts and oil, intelligent and proactive services – this is what Green Point is all about.

At Green Refrigeration LLC, they will take care of all commercial refrigeration, HVAC services, custom wine cellars, glycol chillers, walk-in coolers & freezers, food equipment, Ice machines (cubers & flakers), Ice machine rental, cold storage solutions, gelato machines, and commercial hot water heaters needs from start to finish. They provide high-quality services for commercial & residential customers in Palm Beach, FL.

Gritton & Associates is a manufacturer’s representative for the residential, commercial and industrial markets. The firm's expertise and product lines are focused on HVAC, plumbing and steam systems. They have been serving the US States of Utah, Idaho, Nevada and Wyoming for over 50 years.

GS1 Germany accompanies the development and implementation of open, cross-industry, worldwide standards. On this basis, they also develop process and application recommendations. They support companies from different industries in the implementation and show solutions for more added value.

Guangdong Chigo HVAC Equipment Co., Ltd. (Chigo HVAC) was established in January 2011. The company specializes in central air-conditioning product R&D, manufacturing, sales, engineering design, installation, and after-sales service.

Gundlach’s Plumbing and Sheet Metal is built on a rich history of integrity and innovation. They have been serving the air conditioning, plumbing, and heating needs of Bakersfield, CA for over 100 years. At Gundlach’s, customers' comfort comes first and foremost. They offer a full suite of home comfort services. Gundlach’s provides and installs only the highest quality products.

GV Booth Plumbing & Heating provides high quality service and installation of HVAC systems in Loughborough region of Leicestershire, United Kingdom.

H & H Heating and Air Conditioning have established themselves as the premier HVAC company in the Delaware Valley. Their mission is to ensure quality and give trusted installation and service to residential, commercial, and industrial customers and to respond to questions and problems immediately.

H.C. Nye Company, Inc. is a Manufacturer’s Representative of Engineered, Applied, and Industrial HVAC Systems. They specialize in the assisting consulting engineers, construction managers, mechanical contractors and building owners in the application, selection, and sale of HVAC mechanical equipment.

Provides recurring maintenance, repair, and installation services for HVAC equipment.

Haley Comfort Systems are distributors of AC units, furnaces, heat pumps, thermostats, CO2 alarms, dehumidifiers, humidifiers, purifiers, filters, UV lamps, fireplaces and more.

Haley Mechanical, headquartered in Dexter, Michigan, is one of the pre-eminent residential HVAC companies in Michigan, servicing the Ann Arbor area. Services provided include Heating, Cooling, Geothermal Heating, HVAC, Plumbing, Electrical, Generators, Air Quality, Repair and Installation, and Drain Cleaning.

Halpern - Jacobs represents the premier manufacturers of Heating, Ventilating, Air Conditioning, and Refrigeration Equipment and After Market Parts.

Hamel’s Air Conditioning and Heating is a small, family-owned business where customers are part of our family, not a number. We strive to provide the same level of service we would expect in our own home for each customer we serve. We can provide this level of service because we are not the biggest HVAC business in town and never will be. Instead, our focus is on an unrivaled customer experience.

HAMPDEN ENGINEERING CORPORATION has built a reputation for manufacturing Cutting Edge, Engineering and Technology Training Equipment of the highest quality since 1954.

At Hanson Heating & Air provide the service, repair, and install products such as air conditioning, boilers, ventilation, generators, heat pumps, zone systems, air purifiers, and high-efficiency equipment for residential and commercial locations.

Harbor Air Conditioning is a pioneer air conditioning company. Most of the energy used in the home goes out in cooling and heating, act smart to have the Air conditioning fixed which can have a big effect on their utility bills.

Harris Air Services is a known resource for heating and air conditioning services in McKinney and the surrounding areas. They are a locally owned and operated company that specializes in residential HVAC installation, repair, and maintenance.

Harry Eklof & Associates Inc. is a manufacturer representative. They offer training services and also connect the user to the following products: Plumbing, HVAC, Bath Fixtures, Sump Sewage, Tools.