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Unical

Unical is the Italian brand of boilers and thermal units for heating your home and large spaces: reliable condensing boilers, readily available spare parts and service close to you. You'll find them in stock, at the most competitive prices.
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Who Unical is in heating

Unical is a long-established Italian brand specialising in boilers and thermal units. It builds solutions for home heating as well as for higher-output systems, from homes to commercial premises. Choosing Unical means choosing a manufacturer with a service network firmly present across the country and spare parts that are easy to source, a real advantage over the life of the system.

Condensing boilers for the home

Unical condensing boilers recover the heat from flue gases, so they warm the rooms and produce hot water while using less gas than a traditional boiler. For apartments, the useful output generally ranges from 24 to 35 kW, enough to ensure steady comfort with lighter bills and lower emissions.

What power in kW you need at home

Power is chosen according to the floor area, the insulation and the number of bathrooms to serve. As a general guide:

  • 24 kW: apartments up to about 90 m² with one bathroom.
  • 28 kW: homes from 90 to 130 m² with average hot water use.
  • 35 kW: large homes or those with several bathrooms and higher hot water demand.

If you're looking for a compact model to install on the wall, consider the wall-hung boilers, the most common configuration in Italian homes.

Thermal units and high outputs

Beyond wall-hung boilers, Unical makes higher-output thermal units, suited to large villas, apartment blocks and commercial spaces where heat demand is high. In these cases, the choice of power and configuration is assessed with a technician, to size the system to the actual area to be heated and the hot water requirement.

Domestic hot water always ready

Many Unical boilers are combi units and handle heating and hot water together. When hot water demand is high, or you want to separate hot water production from heating, you can add a water heater: you'll find traditional water heaters and heat pump water heaters, which are more efficient on electricity use.

Compare with the other heating brands

Before choosing, it's worth comparing several manufacturers for quality, warranty and spare parts availability. Alongside Unical, our catalogue carries brands such as Vaillant, Baxi, Ariston and Bosch. You can also start from the general heating category to find your way among the different technologies.

Tax incentives and reduced VAT

Replacing your old boiler with a Unical condensing model may qualify for tax incentives where applicable, such as reduced VAT for renovation work. The conditions depend on the type of work, so it's worth checking the current requirements. You'll find the most competitive prices among the current offers.

Frequently asked questions

Is Unical an Italian brand?
Yes, Unical is a long-established Italian brand specialising in boilers and thermal units for heating, with a service network firmly present across the country and spare parts that are easy to source.
What's the difference between a boiler and a thermal unit?
The wall-hung boiler generally serves homes and apartments, while the thermal unit offers higher outputs and is designed for large villas, apartment blocks and commercial spaces with greater heat demand.
What power in kW do you need for an average home?
For an apartment up to 90 m² with one bathroom, 24 kW is usually enough. For larger homes or those with several bathrooms, it's worth going up to 28 or 35 kW, so hot water stays ready at all times.
Does a Unical condensing boiler save money?
Yes, because it recovers the heat from flue gases and uses less gas for the same comfort. The saving is clearer when you replace an old traditional boiler.
Are Unical spare parts easy to find?
Yes, Unical offers good spare parts availability and a widespread service network, so maintaining the system stays straightforward over the years.
Can I get reduced VAT?
In many cases yes, when the replacement is part of renovation work. Tax incentives where applicable, such as reduced VAT for renovation work, depend on the type of work and the documentation, so it's worth checking the current requirements.
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