Heat Recovery Units

Modern and efficient heat recovery units for residential projects, with high energy performance, comfort and elevated aesthetics.

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Transform your home into a warmer and more efficient space.

Transform your home into a warmer and more efficient space.

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Frequently Asked Questions about Heat Recovery Units

For what types of projects is a heat recovery unit most suitable?

A heat recuperator is indicated for projects where efficient, integrated heating and better utilization of the energy generated are desired. It can be used in different contexts, provided it is correctly sized and integrated into the space. The choice should consider the type of building, the insulation, the method of heat distribution and the actual use of the space. These factors directly influence the thermal performance and efficiency of the equipment over time.

What are the advantages and disadvantages of heat recovery units?

The main advantages of heat recovery units include high energy efficiency, better temperature control and lower fuel consumption compared to traditional solutions. They allow heating larger spaces with more comfort and safety. As disadvantages, these devices require appropriate technical selection and specialized installation. The BIGAVAC team helps avoid common mistakes, so we recommend direct contact for technical clarifications and solution validation.

What types of heat recovery units are there?

There are wood-burning, pellet and other combustion heat recuperators, as well as air or water versions. Some models are ventilated, which allows faster distribution of heat. There is the possibility of distributing warm air to adjacent rooms. There are a number of units that operate by natural convection. There are also front, corner, three-sided and double-sided configurations. In technical projects, the choice of the type of heat recuperator depends on the layout, the required power and the integration with other systems.

What is the difference between a heat recovery unit and a stove?

The main difference between a heat recuperator and a stove is in the method of installation and integration into the space. The heat recuperator is, as a rule, built-in and designed for a more harmonious architectural integration, whereas the stove is a standalone unit. Both can achieve good levels of efficiency, but the recuperator offers greater flexibility in new-build or renovation projects. In a professional context, the decision depends on the concept of the space, the technical requirements, and the defined heating solution.

Wood-burning or pellet heat-recovery stove: which is more cost-effective?

The wood-burning stove stands out for its simplicity and lower technological dependence. The pellet stove offers greater automation, temperature control and operational stability. For frequent and continuous use, pellets tend to be more practical; for occasional or traditional use, wood may be sufficient. The usage profile should weigh more than the initial cost.

What is a ventilated heat recuperator?

A ventilated heat recovery unit uses fans to force the circulation of hot air, which allows the space to be heated more quickly and evenly. It can also channel the heat to adjacent rooms. This solution is common in projects that require greater thermal coverage. The correct design of the ventilation, hot air distribution, and insulation is essential to ensure greater efficiency and to prevent heat losses in the system.

How is the installation of a heat recuperator with hot air distribution carried out?

The installation of a heat recovery unit with warm-air distribution requires rigorous technical planning. A proper installation should include the correct connection to the flue, the definition of the ductwork route, proper insulation, and compliance with safety standards. In a professional context, the installation should be planned from the design or construction phase to ensure compatibility with the space's architecture and consistent thermal performance over time. BIGAVAC has a technical team that can answer your questions before installation. Contact us!

How many kW does a heat recovery unit need to heat a 100 m² space?

The required power of a heat recovery unit depends on several factors, such as the building's level of insulation, ceiling height, orientation, and climate. For an area of 100 m², the value can vary significantly. For this reason, there is no universally suitable power. In a professional context, sizing should be based on the actual characteristics of the space and the intended use, to avoid oversized or undersized solutions. If in doubt, speak with our specialists.

Air or water heat recuperator: which to choose?

Air heat-recovery units heat spaces directly through the circulation of hot air and have a simpler installation. Water models allow integration with radiators, fan coil units or underfloor heating, and heat several areas of the home. In professional projects, the choice depends on the existing system, the desired level of comfort and how heating will be distributed throughout the building. To clarify which option is best in your case, we recommend that you contact the technical team of BIGAVAC.

Are heat recovery units energy-efficient?

Yes, heat recovery units have high levels of energy efficiency when compared to open fireplaces. The closed system allows better utilization of the heat produced, with less waste. In well-sized and correctly installed projects, heat recovery units are a very efficient solution. However, it is worth remembering that the final efficiency always depends on the equipment selected, the quality of the installation, and the real conditions of use.

What technical criteria should be considered when choosing a heat recovery unit?

When choosing a heat recovery stove, criteria such as power, fuel type, energy efficiency, the exhaust system, and integration into the space should be considered. The building's insulation and the intended use are also decisive. In a professional context, these factors should be evaluated together to ensure greater safety and consistent performance. BIGAVAC's technical team provides specialized support in this decision-making process. For a technically validated choice, we recommend that you get in touch.