Why is a split heat pump a better choice than a monoblock?

Added: Wednesday, 11/29/2023


When it comes time to choose the right heating and cooling system for your home or office, there are many factors to consider. One of the main dilemmas is choosing the right heating device. Increasingly, air source heat pumps are becoming the choice, but the choices don’t end there. The question to ask yourself is whether to choose a split or monoblock heat pump. Both of these systems offer effective solutions, but a split heat pump has several significant advantages that make it a better choice than a monoblock. In this article, we will look at the difference between the two technologies and find out why a split heat pump may be the better choice.

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What is a split heat pump?

Air heat pump Immergas split Magis PRO 6 V2 - 5.5 kW, 1-phase, 230 V A split heat pump is a device that consists of two separate units: one located outside the building containing the evaporator, and the other inside containing, among others, a condenser, compressor, water pump. The external unit uses thermal energy from the environment to heat or cool the agent, which is then used inside by the internal unit to heat/cool the room or heat domestic hot water. This makes the split heat pump an efficient and ecological solution for heating buildings.

Advantages of a split heat pump

Split heat pumps are a technologically advanced solution that is gaining recognition due to a number of general advantages. This division into an external and internal unit introduces a new quality in energy efficiency and provides a number of benefits to users. Starting from energy savings, through easy installation, to environmentally friendly operation - split heat pumps are becoming a pioneer in the field of modern, economical and ecological heating solutions. Therefore, more and more people appreciate these devices not only for their innovation, but also for their ability to harmonize comfort of use with a sustainable approach to environmental protection.

Energy efficiency of split heat pumps

Atlantic Excelia AI Tri Duo split air heat pump - 11 kW, 3-phase, 400 V with 190l domestic hot water heater The split heat pump offers very good energy efficiency. Why? Because the outdoor unit does not contain the hydraulic components of the heat pump, which are completely located in the building and are therefore not exposed to the influence of external conditions. As a result, the split heat pump should consume less energy, which directly translates into lower electricity bills.

Less heat loss with a split pump

The monoblock tends to generate greater heat loss because the unit contains many components in one housing. These include a heat exchanger; condenser; circulation pump; etc. In the case of a split heat pump, the outdoor unit is separated from the interior of the building and connected to the condenser by refrigerant pipes, which reduces the risk of heat loss.

Safety with split heat pumps

Placing all hydraulic elements in split pumps inside the building guarantees that the heating system will not freeze even during long power outages. A monoblock heat pump cannot boast such a solution, which during severe frosts and long power outages should be additionally protected against freezing by using a UPS or safety valves.

Lower price of split heat pumps

Split air heat pump Kaisai Arctic KMK-100RY3 - 10 kW, 3-phase, 400 V Split heat pumps are usually cheaper devices than monoblocks. However, this is not a rule because the price depends not only on the type of device but also on the quality of the components used and additional equipment included in the complete solution.

When is it best to choose a split heat pump?

The split heat pump is an excellent solution for those looking for a safe, efficient heating and cooling system. Its high energy efficiency, quiet operation, lower heat loss, safety and long service life may make it a better choice than monoblock heat pumps . When choosing a heating system, it is worth considering a split heat pump to enjoy comfort, safety and energy savings for many years.

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