PowerGuide

Daikin Altherma 3 vs Mitsubishi Ecodan

A side-by-side look at the Daikin Altherma 3 and Mitsubishi Ecodan. Winning figures are highlighted.

Daikin
Daikin Altherma 3
Mitsubishi Electric
Mitsubishi Ecodan
Price from
Heat output 8 kW 8.5 kW
Efficiency (SCOP) 3.8 3.9
Max flow temp 70 °C 60 °C
Refrigerant R32 R290
Noise 48 dB 45 dB
Min operating temp -25 °C -25 °C
Type Monobloc / Split Monobloc
Warranty 7 yrs 7 yrs

Daikin Altherma 3

Pick the Altherma 3 if your home needs high flow temperatures — it's happiest where others struggle. Slightly lower SCOP and uses R32 rather than a natural refrigerant.

Full Daikin Altherma 3 review →

Mitsubishi Ecodan

If you want the safe, widely-supported choice, the Ecodan is it. You'll never struggle to find an installer or parts. Slightly lower flow temperature than the Vaillant, so radiator sizing matters.

Full Mitsubishi Ecodan review →

Get free installation quotes

Compare vetted installers near you. No obligation, takes 30 seconds.