HappyHeat is a commercial heating and cooling company based in Bushey, Hertfordshire, serving businesses and organisations across London, Hertfordshire and Middlesex. It provides commercial heating, boiler, gas and air conditioning services, including installations, replacements, servicing, repairs, HVAC systems, system upgrades and design and commissioning work.

Additional services include plant room installations and refurbishments, gas pipework and plumbing, pumps and pressurisation units, planned preventative maintenance, reactive breakdowns, powerflushing, mechanical and electrical installations, Legionella risk assessments, water treatment, TMV servicing, gas tightness testing, BMS integration and gas safety inspections.

The team has over 100 years of combined industry experience and works across offices, schools, NHS and healthcare premises, care homes, hotels, hospitality venues, retail premises and places of worship. HappyHeat is Gas Safe registered, SafeContractor accredited and Refcom registered, with £5 million public liability insurance, while its engineers are Enhanced DBS checked and fully vetted for commercial site work.