Nowadays the rational use of energy to achieve a comfortable temperature in the living room is one of the biggest achievements for the home’s needs as well as for the eco-friendly use of energy for the needs of society. The new ambitious project of Ekoterm Proekt– integrated hybrid systems consisting of an air-to-water inverter heat pump + biomass pellet boiler or natural gas boiler for heating is a pioneer in the heat and climate technology market and offers to its users economic, ecologic and interesting technology, combining effective and efficient heating and cooling in one invisible and silent system.
Ekoterm Proekt’s new Smart Hybrid Systems technology unites in a perfect and intelligent way the work of an air-to-water inverter heat pump and gas condensing boiler for heating and domestic hot water. Thanks to automatic switching between a heat pump, a gas condensing boiler or a hybrid mode, economies that are so important for the household are achieved.
Intelligent control always selects the most economical heating and domestic hot water mode, taking into account outdoor temperatures and automatically switches (depending on the climate and heating needs) between the heat pump and the boiler. When outdoor temperatures are above 0°C, the system automatically switches to a heat pump which is more economical, and when temperatures fall below 0°C, automatic switching to gas heating saves large electricity costs. All these savings will inevitably lead to environmental benefits – less energy consumption, less environmental pollution.
Example of Calculation of Heating and DHW Costs. The calculations made are for a family home of 100 m2 and a required heating power of 16 kW.

Electricity and natural gas prices are on June 1, 2019 with incl. VAT.
With Smart Hybrid Systems, you achieve annual savings of 36% for heating and domestic hot water compared to a new gas condensing boiler and 45% for an existing non-condensing gas boiler!
Smart Hybrid Systems can be installed in single-family and multi-family houses, apartments, offices, shops, restaurants, spa centers, warehouses, workshops and other sites. A modern and practical solution in these buildings is to heat the different rooms in different ways, depending on the user’s desire: low temperature radiators, radiant floor, wall and ceiling heating or a fan coil system.
The company guarantees a quick and easy installation of the energy sources in the Smart system due to its compact size and also with the help of the accessories, pipe fittings and fittings available in the kit. The company provides certified professional installation, commissioning, setup and 2-year warranty service.

Figure 1: Smart Hybrid Systems Principal Hydraulic Scheme for Heating and DHW.
№ | Code | Description |
1 | 1903060002 | Air-water heat pump Mirai SMI ЕН 1018 DC |
2 | 3830304805 | Crane spherical Perfecta FF 1″ |
3 | 3830304891 | Filter |
4 | 3830304853 | Non return valve with shut-off |
5 | 01425830 | 3-port motorised valve Modulo Compact 230 V |
6 | Storage tanks Emmeti Euro V 150 | |
7 | 2400052001 | Pump Bisolid Delta HE 55-25-180 |
8 | 3802004754 | Distribution manifold, with flowmeter, drain valve, 6 ways, 24х19 |
9 | 3400003772 | Electro-thermic head, 220V, НЗ, Emmeti |
10 | 3400003206 | Safety valve FF, 3.0 bar 3/4″ |
11 | 2804100006 | Expansion vessel Imera RV 35 |
12 | 2107000501 | Gas condensing boiler SRS-24 |
13 | 2202001533 | Storage water heater VTS 200/3 |
14 | 2930088715 | Hydraulic group for solar system |
15 | 2745936 | Solar module Wolf SM1-2 |
16 | 2804100027 | Expansion vessel Imera Solar S 18 |
17 | 2905006520 | Flat solar collector TopSon F3-1 |
Ekoterm Proekt follows closely the newest European standards and regulations and assures that all the components of the hybrid system are designed, tested and manufactured to meet future European quality and environmental requirements.
More information about Ekoterm Proekt and the range of products offered can be obtained from the distribution network all over the country, on our websites here and www.greenecotherm.bg or on the company’s Facebook page.
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