Calorstar Energy Systems Ltd is a privately owned company specialising in energy-efficient heating solutions for residential and commercial applications. With a strong focus on innovation, reliability, and sustainability, Calorstar is dedicated to delivering high-performance heat pump systems that meet the evolving demands of modern energy markets.

Founded by an experienced international team with deep expertise in heat pump technology and global supply chains, Calorstar works closely with advanced manufacturing partners in China and Europe. Our operations integrate product development, quality control, and international distribution, ensuring consistent performance and long-term value for our customers.

Calorstar Energy Systems manufactures and supplies a wide range of products, including DC inverter air-source heat pumps, hot water heat pump systems, and swimming pool heat pumps designed for both residential and commercial environments. Our products are engineered for high efficiency, stable operation in low-temperature climates, and long service life.

All Calorstar products are developed and tested in accordance with relevant European and international standards, including EN14511 and EN14825, and are certified with CE, UKCA, ERP, ROHS and other applicable approvals. We collaborate with leading component suppliers to ensure reliability, energy efficiency, and compliance with current and future regulatory requirements.

Driven by a commitment to quality, transparency, and customer support, Calorstar Energy Systems Ltd aims to be a trusted long-term partner in sustainable heating and pool energy solutions across the UK, Europe, and international markets.