Yes, we offer professional assistance in selecting the optimal HVAC system configuration. Our team of technical advisors is at your disposal to help you choose the most efficient and cost-effective solution tailored to individual needs and the technical specifications of the facility.

Yes, our offer also includes the option to order heating system components with special specifications, tailored to the individual needs and requirements of our customers. Our personalized approach allows us to customize elements such as heat exchangers, buffer tanks, heat pumps, and other heating system components to meet specific technical requirements, such as non-standard sizes, higher pressure parameters, special construction materials, or dedicated connectors.

In our offer, you will find heat pumps from the renowned brand FoxAIR, for which we are a certified distributor. This means we provide not only the full range of FoxAIR products but also professional consulting, training, and technical support in accordance with the highest quality and service standards set by the manufacturer. Additionally, our assortment includes heat pumps from the Rotenso brand, known for its innovative solutions in heating technology.

Yes, in our wholesale store, we offer complete kits for implementing heating systems using heat pumps. You will find everything necessary to create an efficient and reliable system, from heat pumps themselves to C.O. buffer tanks, C.W.U. heat exchangers, and essential installation components such as pipes, fittings, cables, and other mounting accessories.

Yes, in our assortment, you will find both monoblock heat pumps (FoxAIR and Rotenso heat pumps) and split heat pumps (Rotenso heat pumps), allowing for a solution tailored to specific installation needs and customer preferences.

In our wholesale store specializing in PV and hydraulic systems, we offer a wide selection of buffer tanks for central heating (CH) and heat exchangers for domestic hot water (DHW). Among the available products, we particularly recommend tanks from the OEM Energy brand, a renowned distributor of renewable energy systems. Our range includes:

- OEM CERAMIC HP enamelled tanks designed specifically for heat pumps,
- OEM HYGIENIC V2 combination tanks, which function as both a buffer and a domestic hot water heater (available with one, two, or three heat exchanger coils),
- OEM BLACK HP buffer tanks intended for use with heat pumps.

Selecting the right heat pump that matches the building specifications and user requirements is a crucial aspect when planning such an investment. This task requires every installer, salesperson, or energy auditor to approach it with the utmost care and use a multi-dimensional calculation approach to minimize the risk of error.

It is recommended to use three different calculation methods to accurately determine the required heat pump power:

- **Technical Requirements Method** – conducting an analysis according to standards related to building construction and thermal insulation for various periods.
- **Fuel Consumption Method** – estimating based on the amount of solid fuel used over the past year, such as pellets or wood, for heating spaces and domestic hot water.
- **Calculation Method Based on Programs like “Clean Air” or “EcoHome”** – determining heat losses based on detailed surveys.

After performing calculations using the above methods, it is necessary to compare the results and, based on them, select the optimal heat pump power to enable efficient and economical heating of the building.

Monoblock and split-type heat pumps mainly differ in configuration and installation, which impacts their application, efficiency, and cost.

Monoblock Heat Pumps:

• Advantages: easy and quick installation, lower risk of refrigerant leaks, and lower initial costs.
• Disadvantages: limited flexibility in external unit placement, greater exposure to weather conditions, and potentially higher noise levels near residential areas.

Split-Type Heat Pumps:

• Advantages: greater placement flexibility due to the separation of the outdoor and indoor units, the ability to place the indoor unit in an optimal location for heat distribution, and lower indoor noise levels.
• Disadvantages: requires specialized installation, including the installation of refrigerant lines between units, higher installation costs, and potential risk of refrigerant leaks in residential spaces.

Consider a Heat Pump when:

• Space Availability: You have sufficient outdoor space for the external unit.
• Energy Efficiency: You seek a low-operating-cost solution with high efficiency, especially suited for well-insulated buildings.
• Environmental Concerns: You prioritize an eco-friendly energy source that minimizes CO2 emissions.
• Heating and Cooling Needs: You need a system that provides both heating in winter and cooling in summer.
• Financial Support: You are eligible for grants or tax incentives for renewable energy installations.

A Pellet Boiler is a good choice when:

• Fuel Accessibility: You have easy access to pellet fuel and space for its storage.
• Initial Costs: You have a limited budget for initial investment; pellet boilers typically cost less upfront than complete heat pump systems.
• Replacing an Existing System: You are replacing an old heating system and want to utilize the existing infrastructure with minimal modifications.
• Environmental Preferences: You are looking for a more sustainable alternative to fossil fuels but cannot install a heat pump.
• Self-Sufficiency: You prefer independence from electricity suppliers and want full control over fuel use and availability.

Investing in photovoltaics and a heat pump brings significant savings on energy bills, making it profitable in the long term. Economic benefits, combined with grants and tax incentives, often reduce the payback period of the investment.

An air-source heat pump uses energy from the outside air to heat or cool and is easier to install but less efficient in extreme temperatures. A ground-source heat pump draws energy from the ground, requiring a more complex installation with vertical or horizontal collectors, yet it offers higher efficiency and stable performance regardless of weather conditions.

The electricity consumption of a heat pump depends on several factors, such as its energy efficiency (expressed by the COP for heating and EER for cooling), the size and thermal insulation of the building, current heating or cooling demand, as well as the temperature settings and operating mode of the device. Additionally, the climate and outdoor temperature affect the efficiency of the heat pump's performance.

To protect the system in case of a power outage, a photovoltaic system can be combined with energy storage and a heat pump. Photovoltaics generate electricity, while the energy storage system allows it to be stored for continuous power supply to the heat pump, ensuring energy independence and maintaining heating or cooling even during a power failure.

Integrating a heat pump with a solid fuel boiler is an attractive solution for those seeking energy independence while maintaining user comfort. A heat pump, which requires electricity to operate, may deter those aiming for self-sufficiency. On the other hand, a solid fuel boiler, which continues to operate even during a power outage, requires regular maintenance and fuel replenishment by the user.
To combine these two systems into one efficient heating source, specific technical solutions are necessary to allow them to work together without interfering with each other. The solution is to use an intermediary component, such as a plate heat exchanger or a buffer tank with an integrated coil.

• Plate Heat Exchanger: This device uses metal plates to transfer heat between two water circuits – the heat pump and the solid fuel boiler – without mixing them. It is known for high efficiency and resistance to changes in pressure and temperature. For optimal performance, the heat exchanger should have a capacity at least twice the output of the boiler.
• Buffer Tank with Coil: A buffer tank allows for heat accumulation and efficient distribution. The coil within the buffer tank acts as a heat exchanger, enabling the integration of different heat sources. This setup makes the heating system more flexible and allows for effective use of available energy sources.

This configuration combines the benefits of both systems: the energy independence of the solid fuel boiler and the efficiency and user-friendliness of the heat pump. It provides a stable and efficient heating source, ideal for households looking to optimize costs and reduce environmental impact.

Combining a heat recovery ventilation system with a heat pump in new homes provides high energy efficiency, cost savings on heating, improved indoor air quality through continuous air exchange and filtration, and year-round thermal comfort, all while minimizing the home's carbon footprint.

Effective cooling with a heat pump requires appropriate cold distribution systems. One option is surface systems, such as underfloor, ceiling, or wall cooling. These systems offer high energy efficiency, but their effectiveness may be limited by the minimum allowable supply temperature to avoid condensation. An alternative is fan coil units, which, due to a variety of models (e.g., floor-mounted, ceiling-mounted), provide efficient cooling without the risk of condensation, though they require proper condensate drainage and insulation of the installation. Another option is using a water cooler in the ventilation system, which requires careful capacity selection and may lead to higher airflow resistance. It is important to consider these aspects at the design stage to optimize the cooling system. Note that traditional radiators are unsuitable for cooling in heat pump systems.

Heat pumps in a cascade system are used when a single heat pump cannot meet the heating or cooling demands of a particular building.

When to Use a Cascade System?

• In large commercial, industrial, or multi-family residential buildings.
• When there is a high or fluctuating demand for heating or cooling.
• To increase the reliability of the system.

How to Install Heat Pumps in Cascade:

• System Design: Start by accurately calculating the heating and cooling demand, and design the system so that the capacity and number of heat pumps meet the building's requirements.
• Heat Pump Selection: Choose heat pumps with compatible operating parameters that can work together efficiently. It is important to ensure they are compatible and allow for effective power management.
• Installation: Install the heat pumps in a configuration that allows them to operate effectively both in parallel and independently. The system should be designed to facilitate easy switching between pumps and allow for simultaneous operation.
• Control System: An advanced control system is essential to automatically manage pump operation based on current energy demand, optimizing the efficiency of the entire system.

To protect a monoblock heat pump from water freezing in the system, several steps should be taken:

• Pipe Insulation: Ensure good insulation of pipes carrying water between the heat pump and the building to minimize heat loss and reduce the risk of freezing.
• Glycol Solution in the CH System: Adding an appropriate amount of glycol to the water in the system can lower the freezing point, preventing the water in the system from freezing. Glycol helps prevent ice formation within the system.
• Anti-Freeze System: Make sure your heat pump has an anti-freeze system that automatically activates when the temperature drops below a certain level, preventing water in the system from freezing.

Anti-Freeze Valve and Emergency Power Supply are also important elements for protecting a monoblock heat pump from freezing:

• Anti-Freeze Valves: These valves allow for a slow release of the medium from the system when its temperature drops to around 3°C, preventing ice formation in the system and protecting pipes and equipment from damage.
• Emergency Power Supply: Providing backup power for the heat pump, such as through a generator or UPS system, can be essential for keeping the heat pump and heating system operational during power outages, especially in winter. Backup power allows the anti-freeze system to continue functioning and maintain minimum circulation temperature, preventing freezing.

R410A:

• A mixture of two chemical components: 50% R32 and 50% R125.
• Widely used in air conditioning and refrigeration systems, especially in newer systems.
• Has a high coefficient of performance (COP), making it relatively energy efficient.
• Has a low ozone depletion potential (ODP) but a high global warming potential (GWP), meaning it has a significant impact on climate change.

R32:

• A pure refrigerant, not a blend.
• Increasingly popular as an alternative to R410A due to its lower GWP.
• Higher COP than R410A, meaning it is more energy efficient.
• Easier to recover and recycle than some other refrigerants.

R290:

• Known as propane, a pure hydrocarbon.
• One of the most environmentally friendly refrigerants, with very low GWP and ODP.
• Has a high heat transfer coefficient, making it highly efficient in certain applications.
• Use may be restricted due to high flammability and the need to comply with strict safety regulations.

In summary, each of these refrigerants has specific advantages and disadvantages to consider based on the intended application, energy efficiency, environmental impact, and safety regulations.

• COP (Coefficient of Performance) – Efficiency Coefficient: COP defines the energy efficiency of a heat pump in heating mode. The COP value indicates how many units of heat the heat pump produces for each unit of electricity consumed. For example, a COP of 4 means that for every 1 kW of electricity consumed, the heat pump provides 4 kW of heat.
• SCOP (Seasonal Coefficient of Performance) – Seasonal Efficiency Coefficient: SCOP is similar to COP but accounts for changes in heat pump efficiency across different seasonal conditions throughout the year. The SCOP value provides a more accurate measure of how efficient the heat pump will be in practical, long-term use.
• A7/W35: This designation refers to the test conditions under which the heat pump's performance was measured. "A7" indicates that the outdoor air temperature was 7°C during testing, while "W35" means the water output temperature from the heat pump was 35°C. These values help evaluate the heat pump's performance under specific, standardized conditions and are particularly useful when comparing different heat pump models.

Replacing radiators with modern ones in a heat pump system requires careful sizing to ensure efficient and economical heating. Heat pumps work most efficiently at low supply temperatures, so radiator size selection should follow several key principles:

• Calculate the Room Heating Demand: The first step is to accurately calculate the heat loss for each room, taking into account its size, insulation, sun exposure, and other factors that affect heat demand.
• Select Radiators with the Appropriate Output: Based on the calculated heating demand, choose radiators that can provide the required amount of heat at the lower supply temperature typical of heat pumps.
• Use Radiators with a Larger Surface Area: Modern radiators designed to perform well at low supply temperatures often have a larger heat exchange surface area. This may mean choosing wider or taller radiators that can transfer heat more effectively into the room.
• Consider Underfloor Heating: Where possible, consider underfloor heating as a supplement or alternative to radiators. Underfloor heating is highly effective at even lower supply temperatures and provides more even heat distribution and greater thermal comfort.

On-Off Compressor:

• Operating Principle: Works in an on/off mode, responding to cooling or heating demand by fully turning on or off.
• Advantages: Simple design, easy to service.
• Disadvantages: Greater temperature fluctuations, higher energy consumption due to frequent on/off cycles, faster wear on components, louder operation.

Inverter Compressor:

• Operating Principle: Adjusts the heating output to meet current heating or cooling demand.
• Advantages: Higher energy efficiency, lower energy consumption, more stable indoor temperature, quieter operation, and longer device lifespan.
• Disadvantages: Potentially higher servicing costs.