Palazzetti Ecopalex GTM90S: 13.5 kW wood-burning fireplace insert

Palazzetti Ecopalex GTM90S is a large wood-burning fireplace insert designed for renovating existing open fireplaces or creating new custom-built fireplaces.

According to the 2027 Palazzetti price list, it delivers a 13.5 kW nominal heat output, with 15.8 kW heat input and 86% efficiency.

Key features

• 13.5 kW nominal heat output.
• 15.8 kW heat input.
• 86% efficiency.
• Natural convection as standard.
• Optional front ventilation.
• Optional hot-air ducting.
• Thermofix® firebox with cast-iron base.
• Automatic smoke baffle.
• Independent primary-air and glass-cleaning-air regulation.
• External combustion-air capability.
• Removable ash pan.
• Removable door handle.
• Ø200 mm flue outlet.
• A+ energy class.
• Ecodesign 2022 compliant.
• Italian 5-star environmental rating.

Natural convection and optional ventilation

GTM90S operates by natural convection as standard. Dedicated optional kits can add front ventilation or hot-air ducting to other rooms.

Thermofix® firebox

The firebox uses Thermofix® refractory material with a cast-iron base, designed to withstand the high temperatures generated by wood combustion.

Automatic smoke baffle

The automatic smoke baffle increases chimney draft when the door is opened and reduces it again after closing to optimise normal operating efficiency.

Technical specifications

Energy performance and incentives

Palazzetti Ecopalex GTM90S is rated A+ and achieves the Italian 5-star environmental rating.

Palazzetti documentation refers to Conto Termico 3.0 for GTM90S. Actual eligibility depends on the installation, the appliance being replaced and compliance with all applicable requirements.

For further information, see our guide to Conto Termico 3.0 and incentives for biomass heating appliances.

Installation

The appliance uses a Ø200 mm flue outlet. The existing fireplace opening, chimney, combustion-air supply and any optional ventilation or ducting system must be correctly checked before installation.