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Horizon Energy Group has grown to include a diverse range of skills and services that include electricity distribution and infrastructure, industrial and  commercial refrigeration, building services, facility services and industrial and commercial electrical solutions.

Horizon Networks

Horizon Networks owns, manages and operates the electricity network that serves the Eastern Bay of Plenty region. As a sustainable, safe, and innovative business we work hard to care for a network that covers more than 8,000km of dependable electricity to more than 24,000 homes and businesses across the region. It is our mission to maintain a continuous, safe and reliable supply of electricity while protecting our assets and whanau through excellent health, safety and environmental procedures.


Aquaheat is one of the largest HVAC / mechanical contractors in New Zealand, specialising in the supply, installation, commissioning and maintenance of HVAC / mechanical services.  Over the years, we have grown to employ more than 300 full-time employees operating out of Auckland, Wellington, Christchurch and more recently Suva and Nadi. /

Caldwell Levesque

Caldwell Levesque is a highly regarded Auckland based business specialising in Electrical, Communications and Data projects. The business was founded by Stuart Caldwell and Barry Levesque over 35 years ago and currently employs over 180 staff who provide construction and maintenance services across the Auckland region. This acquisition is consistent with our vision to be New Zealand’s most trusted multi-disciplined infrastructure services partner. The acquisition of Caldwell Levesque not only complements other existing HEG operational brands, but significantly bolsters our capability and capacity in high value market segments such as Communication and Data. This acquisition provides the Group with a platform to expand our services to our existing customer base and provides the business scale to grow into new markets.


CoolLogic is a superior solutions provider of industrial refrigeration, automation, and controlled atmosphere (CA) products and services. From concept to completion, our emphasis is on smart innovative solutions that help end users reduce energy consumption, increase efficiency and drive down lifecycle operating costs. We serve our customers via an unwavering mix of industry knowledge, technical competence and a depth of experience to ensure the best value solution possible.

Colt Products and Systems

You’ll find examples of Colt Products and Systems technology in hundreds of New Zealand’s most important buildings – manufactured, installed and serviced by us. The build and running cost savings of using these low energy, high thermal efficiency products and systems has been proven in over 76 countries. Colt Products and Systems has been a part of Aquaheat since 1999. We’re the sole New Zealand licensee for Colt ventilation, fire and smoke control products.


ElectriServ offers exceptional service and is a highly experienced multi- disciplined provider of electrical project, service, and maintenance. Our major project portfolio extends to installations within the industrial, commercial, and manufacturing industries. ElectriServ is well positioned to provide both project works and reactive maintenance services nationally. With dedicated main project and service hubs in Auckland, Hamilton, Rotorua, Tauranga, and Gisborne, regional support in Whakatāne and Wellington, supported by a comprehensive network of accredited service agents across New Zealand, ElectriServ is uniquely positioned to deliver nationwide services.


Electrinet is Eastland’s largest power, electrical and data contractor working throughout the East Coast and Northern Hawke’s Bay. Their 24-hour call-out service for all things power, electrical and fire alarm related means they have a substantial and growing commercial and domestic customer base. Their work throughout the region includes kilometres of underground reticulation for Eastland Network, the region’s lines company, as well as construction and maintenance of overhead lines and private power work. A push towards more alternate energy sources has seen them move into the latest innovations in solar and other options.

Classic Metal™

Classic Metal™ is the specialist roofing and cladding division of Aquaheat New Zealand Limited, providing specialist roofing and cladding solutions for all building applications regardless of size, sector or complexity. The Classic Metal™ team have the skill, knowledge and experience to assist you in the design of roofing and facade systems that will stand the test of time.