MasterTherm is a premium European manufacturer (based in the Czech Republic) known for high-specification heat pumps that prioritize advanced control systems and durability. While they may not have the same household name recognition as brands like Daikin or Mitsubishi, they are highly regarded by engineers for their bespoke approach and technical flexibility.
Here is a breakdown of what sets MasterTherm apart:
1. Key Technology & Features
True Inverter Modulation: MasterTherm was a pioneer in using inverter technology, which allows the heat pump to precisely adjust its output to match the building’s real-time heat demand. This reduces “cycling” (on/off switching), extending the unit’s lifespan and increasing efficiency.
7-Year Warranty: They offer an industry-leading 7-year warranty, but there is a catch: the unit must be connected to the internet for remote monitoring by their service team.
Smart Control & Diagnostics: Every unit comes with a “NeoBox” internet module. This allows technicians to diagnose issues, update software, and even adjust settings remotely, often saving you the cost of a physical engineer visit.
Desuperheater Option: On many models, an optional “desuperheater” can be added. This extracts high-temperature heat to provide domestic hot water (up to 65°C) very efficiently while the unit is simultaneously heating the house.
2. Core Product Range
MasterTherm produces solutions for both residential and large-scale commercial projects:
3. Pros and Cons
The Pros:
Efficiency: Many models achieve an A+++ energy rating and very high SCOP (Seasonal Coefficient of Performance).
Quiet Operation: They use low-noise DC fans that are often “Quiet Mark” approved.
Aesthetics: They are one of the few brands that allow you to request custom colors for the outdoor casing to match your home’s exterior.
Cooling: Most models offer “active cooling” as standard or a simple optional extra, which is great for modern, well-insulated homes that overheat in summer.
The Cons:
Niche Installer Network: Because their systems are more technically “open” and complex to program, you need a certified MasterTherm installer. You can’t just hire any plumber to fit one.
Upfront Cost: They are generally positioned as a “premium” product, meaning the initial investment might be higher than entry-level brands.
4. Is it right for you?
MasterTherm is an excellent choice if you have a larger property, a commercial building, or a home with underfloor heating where you want maximum control and remote oversight. Their R290 models are also particularly good if you are replacing a boiler in an older home with radiators, as they can handle higher water temperatures.
5. Are Mastertherm Heat Pumps good for your house ?
MasterTherm is an excellent choice if you have a larger property, but are also available for retrofit of existing houses where insulation is at a moderate to good level. Energy cost savings will be delivered, based on the correct configuration and operation of the units. Comfort is to be expected when used properly and delivers an unsurpassed level of ease in heating your home.
Their R290 models are also particularly good if you are replacing a boiler in an older home with radiators, as they can handle higher water temperatures.
See more details on the Mastertherm Ireland Website
Leadtime from the factory is 4 to 6 weeks. Please email as some variations may be in stock in the logistics centre near Portarlington. Volume orders are welcome and additional discounts may be available.
A presentation of some information on Mastertherm is at Mastertherm Company and Heatpump Presentation














