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A Major Milestone: Master Therm’s Entire R290 Air-to-Water Range Now Certified with Heat Pump Keymark
Latest news Master Therm CZ 4.4. 2025
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A Major Milestone: Master Therm’s Entire R290 Air-to-Water Range Now Certified with Heat Pump Keymark

Master Therm, a Czech heat pump manufacturer based in Jablonec nad Jizerou, is proud to announce that our complete range of air-to-water heat pumps BoxAir Inverter P using natural refrigerant R290 has officially received the Heat Pump Keymark certification – a key quality assurance label recognized not only in Europe, but worldwide. This milestone confirms our position among the leading innovators in sustainable HVAC technology.

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