Oil-fired condensing boiler

(+) Simple replacement for an existing oil-fired system

(-) Needs space for a tank / refurbishment of an existing tan

 New installation

New installation

 Environment

Environment

 Renovation

Renovation

 Economical to use

Economical to use

 Investment

Investment


Modulating gas condensing boiler

(+) Clean burning / compact wall-mounted solution

(-) Cost of connection to gas supply

 New installation

New installation

 Environment

Environment

 Renovation

Renovation

 Economical to use

Economical to use

 Investment

Investment


Thermal solar

(+) Clean, renewable energy

(-) Needs to be combined with another system

 New installation

New installation

 Environment

Environment

 Renovation

Renovation

 Economical to use

Economical to use

 Investment

Investment


Ground-to-water – Geothermal heat pump

(+) No atmospheric emissions 

(-) Less suitable for renovations

 New installation

New installation

 Environment

Environment

 Renovation

Renovation

 Economical to use

Economical to use

 Investment

Investment


Air-to-water heat pump

(+) No atmospheric emissions 

(-) Installed in external unit / noise level

 New installation

New installation

 Environment

Environment

 Renovation

Renovation

 Economical to use

Economical to use

 Investment

Investment


Wood – Pellets

(+) Renewable energy

(-) Needs storage space

 New installation

New installation

 Environment

Environment

 Renovation

Renovation

 Economical to use

Economical to use

 Investment

Investment