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About us

Master Therm is a manufacturer of air-to-water, ground-to-water and water-to-water heat pumps for residential, commercial and industrial buildings. All technical development and production of Master Therm heat pumps is carried out in the Czech Republic, EU.

About us
Since 2004 we have been exporting to many European countries. We steadily participate in European HVAC fairs – ISH Frankfurt, MCE Milano, Chillventa Nürnberg, Aquatherm Prague and others.
  • United Kingdom United Kingdom
  • Italy Italy
  • Norway Norway
  • Netherlands Netherlands
  • Denmark Denmark
  • Spain Spain
  • Belgium Belgium
  • Latvia Latvia
  • Ireland Ireland
  • Slovak Republic Slovak Republic
  • Slovenia Slovenia
  • Austria Austria
  • Switzerland Switzerland
  • Germany Germany
  • Lithuania Lithuania
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The Premier Heat Pump Pioneers since 1994

  • 1994

    Master Therm was founded by Jiří Svoboda Sr, CSc.

  • 2004

    AirMaster AKU (air-to-water): 1st heat pump with EEV on the market

  • 2008

    AquaMaster Inverter (ground-to-water): frequency-controlled compressor

  • 2010

    BoxAir Inverter (air-to-water): frequency-controlled compressor and fans as well

  • 2016

    BoxAir 60 Inverter (air-to-water) with EVI: heating and cooling of commercial & industrial buildings

  • 2017

    BoxAir Inverter Split (air-to-water): compressor in the inner, evaporator & fans in the outer unit

  • 2018

    AQ ZHX (water-to-water): heat pumps for heat recovery for industry applications

  • 2021

    Master Therm Online & pGDx: new level of user control, service monitoring & diagnostics

  • 2022

    New production plant at Jablonec n. J.: annual production capacity of 2000 heat pumps

  • 2023

    A new warehouse: annual production capacity of 3,000 heat pumps

  • 2024

    New era: Brand new heat pumps with R290 natural refrigerant

Why Master Therm

  • A tradition since 1994

    A tradition since 1994

    Master Therm was established in the Czech Republic in the 1990s, originally as an importer of heat pumps from the USA. Over years of gradual work on our own, we have also become a manufacturer with a complete in-house development. All heat pumps from Master Therm are invented, designed and manufactured in the Czech Republic.

  • We offer smart solution

    We offer smart solution

    With us you get a heating system, not just a separate heat source. We supply complete heat pump systems of all types, including our own control software that can work with photovoltaics or automatically react to future spot electricity prices.

  • Quality and innovation

    Quality and innovation

    Master Therm heat pumps are characterised by their efficient design, which ensures extremely quiet operation and trouble-free service access. We are among the pioneers in the development of electronic refrigerant injection (EEV), infinitely variable compressor power control (inverter) and software for controlling heating circuits.

  • Service and warranty

    Service and warranty

    With a network of in-house technicians and immediate availability of spare parts, we guarantee nationwide service coverage. When you buy a heat pump, our journey together is just beginning. We offer online service monitoring of pumps and an extended warranty for 7 years with unlimited coverage.

  • Reputation abroad

    Reputation abroad

    Master Therm exports more than 70% of its production abroad, especially to Western Europe. The most important foreign markets include the UK, Ireland, the Netherlands, Belgium, Italy, Switzerland, Estonia and Slovakia

  • Awards and certificates

    Awards and certificates

    Our pumps are among the most appreciated, both at home and abroad. In addition to more than 20 international awards, we hold an ISO quality management certificate, Heat Pump Keymark certificate, certificates from the authorized testing laboratory ETI (SZÚ) in Brno, Czech Republic, EU, a certificate from the BBA of the United Kingdom and others.

We hold certificates

  • <p>The Heat Pump KEYMARK certificate is the European independent quality certificate for heat pumps entering the Single Market and covered by EU Regulations 813/2013 and 814/2013 – efficiency requirements (ecodesign).</p>

    Heat Pump KEYMARK

    Quality Certificate for the SingleEuropean Market

    The Heat Pump KEYMARK certificate is the European independent quality certificate for heat pumps entering the Single Market and covered by EU Regulations 813/2013 and 814/2013 – efficiency requirements (ecodesign).

  • <p>Performance parameters and compliance of product characteristics with the requirements of the EN 14 511 standard. The Master Therm heat pumps are tested and certified by the accredited Engineering Testing Institute (SZÚ) in Brno, Czech Republic, EU.</p>

    Certificate of the testing institute

    Certificate of compliance with Czechand EU standards

    Performance parameters and compliance of product characteristics with the requirements of the EN 14 511 standard. The Master Therm heat pumps are tested and certified by the accredited Engineering Testing Institute (SZÚ) in Brno, Czech Republic, EU.

  • <p>Master Therm heat pumps are certified by the British Board of Agre´ment (BBA) according to the MCS (Microgeneration Certification Scheme) standard, designed for systems for the production of heat and electricity from re-newable sources.</p>

    BBA MCS Certificate

    British quality certificate, allowsto draw on British governmentincentives

    Master Therm heat pumps are certified by the British Board of Agre´ment (BBA) according to the MCS (Microgeneration Certification Scheme) standard, designed for systems for the production of heat and electricity from re-newable sources.

  • <p>Quality Management System Certificate in accordance with ISO 9001:2015. Scope of certification: manufacture, sale, installation and service of heat pumps. Certification body: BUREAUVERITAS GROUP.</p>

    ISO 9001:2015 Certificate

    International Quality Certificate

    Quality Management System Certificate in accordance with ISO 9001:2015. Scope of certification: manufacture, sale, installation and service of heat pumps. Certification body: BUREAUVERITAS GROUP.

  • <p>Certificate confirming that the type test has been successfully carried out on Master Therm products. It proves that the stated technical specifications of the products comply with the Czech and European Union standards.</p>

    Type conformity assessment protocol

    Certificate confirming the characteristics of the products with the stated parameters

    Certificate confirming that the type test has been successfully carried out on Master Therm products. It proves that the stated technical specifications of the products comply with the Czech and European Union standards.

How we manufacture

  • <p>Our production plant in Jablonec nad Jizerou, Czech Republic, EU, is one of the most modern heat pump production plants in middle Europe.</p>

    Our production plant in Jablonec nad Jizerou, Czech Republic, EU, is one of the most modern heat pump production plants in middle Europe.

  • <p><span class="HwtZe jCAhz ChMk0b ryNqvb" jsaction="click:E6Tfl,GFf3ac,tMZCfe; contextmenu:Nqw7Te,QP7LD; mouseout:Nqw7Te; mouseover:E6Tfl,c2aHje" jsname="W297wb" lang="en" jscontroller="Gn4SMb">Each Master Therm heat pump is manufactured with maximum accent on quality, resulting in subsequent reliability and long life.</span></p>

    Each Master Therm heat pump is manufactured with maximum accent on quality, resulting in subsequent reliability and long life.

  • <p>The production plant and warehouse are designed for annual production capacity of 3000 heat pumps.</p>

    The production plant and warehouse are designed for annual production capacity of 3000 heat pumps.

  • <p>We deliver quality over quantity. We are not a mass producer, we are a manufacturer of unique solutions.</p>

    We deliver quality over quantity. We are not a mass producer, we are a manufacturer of unique solutions.

  • <p>Each heat pump is tested before it is distributed to the customer. Maintaining quality standards is out main goal of everything we do.</p>

    Each heat pump is tested before it is distributed to the customer. Maintaining quality standards is out main goal of everything we do.

  • <p>We fulfill every customer wish. We offer more than 60 models of heat pumps resulting in hundreds of variations of optional equipment.</p>

    We fulfill every customer wish. We offer more than 60 models of heat pumps resulting in hundreds of variations of optional equipment.

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