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The heat pump

What is a heat pump and why should you consider it?

In an era of growing environmental awareness and rapidly changing prices of traditional heat sources, choosing the optimal heating system has become a key decision for every homeowner. Heat pumps are at the forefront of modern heating technologies, harvesting energy from renewable sources—air, ground, or water—and transforming it into thermal comfort for your home and for domestic hot water production.

 

A heat pump is an advanced device that transfers thermal energy from a lower-temperature environment (the so-called heat source) to the building’s heating system (the so-called heat sink). It’s not only highly efficient, but also environmentally friendly—a real alternative to systems based on burning fossil fuels.

Key benefits of investing in a heat pump

An investment in a modern heat pump brings a number of measurable benefits:

Significant reduction of operating costs

Heat pumps have some of the highest energy efficiency ratios (COP/SCOP), which translates into much lower bills for space heating and DHW compared to gas or oil boilers and direct electric heating.

Contribution to environmental protection

By using renewable energy, heat pumps minimize on-site CO₂ emissions. When powered by photovoltaics, they can become a practically zero-emission system.

Unmatched comfort and automation

Modern heat pumps operate fully automatically, precisely adapting output to current heat demand and ensuring stable indoor temperatures and constant hot water availability.

Impressive energy efficiency

The COP (Coefficient of Performance) shows the ratio of delivered heat to electricity consumed. For modern heat pumps it can reach 4–5 or more, meaning 1 kWh of electricity can yield 4–5 kWh of heat. The seasonal efficiency, SCOP, reflects performance over the entire heating season even more accurately.

Advanced components ensure durability

At Hymon we prioritize reliability and innovation. That’s why we base our installations on devices from renowned global manufacturers such as Panasonic, Daikin, Kaisai and other carefully selected premium brands—ensuring top quality and access to the latest technologies.

Advanced components ensure durability

We use only proven components, including high-efficiency compressors (e.g., inverter rotary or scroll), precise controllers (e.g., CAREL), and robust heat exchangers—ensuring long, trouble-free operation.

System versatility

Many heat pump models not only heat, but also provide active cooling in summer and efficient domestic hot water production year-round.

Types of heat pumps available on the market

Understanding diverse needs and building specifics, the market offers a wide range of heat pump solutions:

The most common choice for both new builds and retrofits. They extract energy from outdoor air and transfer it to a hydronic central heating system (e.g., underfloor heating, low-temperature radiators) and a DHW tank. They are relatively easy to install and do not require groundworks.

They use the heat stored in the ground, whose temperature is stable throughout the year. They provide top efficiency regardless of weather. They require a ground collector (horizontal loop or vertical boreholes).

They harvest energy from groundwater (e.g., via an extraction and a discharge well). They offer very high, stable performance. Applicability depends on local water resources and quality.

Designed mainly for heating and cooling single rooms or zones. Energy from outdoor air is transferred directly to indoor air. Often used to complement existing systems or in buildings with lower heat demand.

How a heat pump works — thermodynamics in practice

The heat pump operates on a reversed refrigeration cycle, known from fridges or air conditioners. The key stages are:

Evaporation

A low-boiling refrigerant circulating in the heat pump absorbs heat from the source (air, ground, water) in the evaporator, changing from liquid to gas.

Compression

The gaseous refrigerant is drawn into the compressor, where increasing pressure significantly raises its temperature.

Condensation

The hot gaseous refrigerant enters the condenser, where it releases heat to the building’s heating system (e.g., water in the space heating or DHW system). During this process it condenses back to liquid.

Expansion

The liquid refrigerant passes through the expansion valve, where its pressure and temperature drop sharply. Cooled again, it’s ready to absorb heat in the evaporator—closing the cycle.

Frequently Asked Questions (FAQ)

We clear up doubts with Hymon experts:

Yes. Modern heat pumps, especially models designed for colder climates, are engineered to operate at outdoor temperatures down to −25°C or even lower. They feature smart energy management, defrost strategies for the evaporator, and—if needed—integrated electric heaters to support operation in extreme conditions.

Absolutely. It’s one of the most optimal combinations for energy-efficient homes. Self-generated electricity from PV panels can cover a large portion or even all of a heat pump’s demand, minimizing heating and DHW costs and boosting self-consumption of RES energy. See our PV offer.

The total investment cost depends on many factors: pump type and capacity, heat source (ground units require earthworks), building standard, scope of retrofit, and selected components. Although upfront costs may be higher than traditional systems, payback usually occurs within a few to several years thanks to drastically lower operating expenses. At Hymon we price each project individually after a detailed energy audit.

For most new, well-insulated buildings—and many retrofitted ones after thermal upgrades—a properly selected heat pump can fully cover space heating and DHW needs as the sole heat source (monovalent system). In older homes or very harsh climates it can work bivalently with a peak auxiliary source.

We provide comprehensive after-sales care: regular inspections, warranty and post-warranty service, plus optional remote monitoring and diagnostics (for models with appropriate communication modules). Regular maintenance is key to long, failure-free operation.

We work with leading global manufacturers such as Panasonic, Daikin, Kaisai and other vetted suppliers whose products meet the highest standards of efficiency, reliability, and innovation. The exact model is always selected to fit the project’s needs.

Yes. We actively support clients in applying for available grants and tax incentives. We keep track of programs such as “Czyste Powietrze”, “Moje Ciepło”, “Mój Prąd”, and other regional/local initiatives—helping compile the required documentation and advising the most advantageous financing paths.

Cooperation with HYMON: from consultation to commissioning

By choosing a heat pump from Hymon, you’ll go through a clear process:

Initial consultation and energy audit

We start with a conversation with our technical advisor and a detailed energy audit of your building to precisely determine its heat demand.

Tailored technology and unit selection

Based on collected data and your preferences, our engineers select the optimal type, capacity and model of the heat pump and design the entire system.

Professional installation and system integration

Hymon-certified installers carry out the installation of the heat pump and all system components with utmost care, in line with standards and manufacturer guidelines.

Commissioning, tuning and user training

After installation we perform initial start-up, precise adjustments and provide detailed user training.

Technical support and service

We offer full support during operation, including regular inspections, prompt service, and technical advice.

Why choose Hymon as your partner?

Turnkey, end-to-end delivery

We handle projects A–Z: consulting and design, installation, service, and support in obtaining financing.

Experience and certified team

Many years of experience plus a qualified team of designers and installers with all required certifications.

Transparency and a tailored approach

Every client and project is unique. We value open communication and perfectly matched solutions.

Access to best-in-class technologies

We guarantee access to the latest, most efficient solutions from top global manufacturers.

Support with formalities

We actively guide you through the subsidy process, taking the burden of complex procedures off your shoulders.

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Comprehensive support from first contact to years of use

Invest in the future with Hymon — book a free consultation!

Want to see how a heat pump can transform your home heating and significantly cut bills? Contact Hymon’s experts. We’ll prepare an individual analysis, select the optimal solution, and answer all your questions. Take the first step toward more economical and eco-friendly heating!

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