Brands · Heating

The world's largest AC manufacturer, with the deepest UK installer network and the strongest residential range from value (Sensira) through to flagship (Perfera).

Design-led indoor units, premium build, exceptional filtration. The brand you choose when the wall placement is part of the room.

A serious third option in UK residential AC; strong on inverter performance and value, smaller installer network than the top two.

Heating-first European manufacturer with the aroTHERM plus R290 range; the unit most thoughtful MCS installers default to in 2026.

Britain's best-known boiler brand. Heat pump range is improving fast but still trails Vaillant and Mitsubishi on field experience.

The credible value-tier heat pump brand in 2026; strong measured efficiency, lower headline price, smaller installer base.

Energy supplier, installer and own-brand unit (Cosy) wrapped into one. Fixed-price surveys, one warranty, integrated tariff; at the cost of installer choice.

British-built boilers from Hull with a deep installer base and warranties that compete with brands twice the price. Ideal has spent a decade rebuilding its reputation, and the Logic Max range is the result.

German heating-first manufacturer whose Vitodens combi range is the closest a UK gas boiler comes to feeling considered. The build quality is unmistakable on first install and the controls behave like they were designed by people who have lived with them.

British boiler manufacturer with a deep installer base and a sensibly-priced combi range. The Baxi 800 is the unit your local gas engineer is most likely to have on the van when a same-week swap is the brief.