Joule

Joule is a UK‑based manufacturer of heating, hot‑water and renewables products — including cylinders, air‑source heat‑pumps, under‑floor heating, radiators and ventilation systems.

About Joule

Joule has built its reputation on years of experience in the hot‑water and heating industry, evolving from domestic copper cylinder manufacture to a broad product portfolio covering renewable technologies and high‑performance systems.

The brand emphasises quality materials (for example stainless‑steel cylinders), faster heat recovery, lower heat loss and full certification for UK/Republic of Ireland standards.

Product Range & Key Solutions

Joule’s offering covers major domains including:

• Unvented and vented hot‑water cylinders – such as the “Cyclone” series built from duplex stainless steel and offering fast recovery and low heat loss.
• Air‑source heat pumps & renewable packages – covering indoor/outdoor units, R32 refrigerant models and bundled packages for heating + hot water.
• Underfloor heating systems – including manifolds, pipe systems and mixing sets for low‑temperature heating circuits.
• Solar thermal and ventilation solutions – such as evacuated‑tube solar systems and energy‑efficient ventilation/exhaust‑air heat‑pump systems.
• Radiators & buffer tanks & system accessories – supporting both traditional and low‑carbon heating installations.

Key Features & Benefits

• High performance & durability: Joule cylinders use premium materials (e.g., duplex stainless steel) and are designed for higher flow rates and faster heat‑up times.
• Energy efficiency & compliance: Products are designed to meet or exceed UK/ERI (Energy‑Related Product) regulations, with low heat loss and fast recovery characteristics.
• Wide system coverage: Joule’s range spans from standard domestic replacements to full low‑carbon renewable installations — offering flexibility for specifiers, installers and end users. 
• Installer & specifier support: The brand provides a strong selection of product range, certification documentation and training resources to support installations.