Welcome to Emerald House Green Engineering (EHGE)

Emerald House Green Engineering Limited is an award-winning London-Based Bespoke HVAC and & Electrical Testing Specialist. Working as trusted partners with manufacturers such as Mitsubishi & Powermatic, we offer premium quality bespoke air-conditioning, mechanical, electrical and cabled services design, installation and maintenance using only our own directly employed high calibre engineering staff.

Excellence is our standard which gives our customers a guarantee of quality, consistency and reliability backed by multiple industry accreditations, certifications and testimonials.

As well as our much-loved “CoolSleep” brand for residential air-conditioning systems, we are proud of our reputation for delivering a full range of building services projects in highly secure, complex and private residential environments. To compliment this, for over twenty years we have also specialised in electrical testing / remediation and HVAC / Public Health maintenance programmes.

We are highly versatile with particular experience in security sensitive, high-specification and 24/7 operational environments.

We are a safe pair of hands with which to deal in these uncertain times