MRCOOL launches the Monoblock MTHP 115V plug-in heat pump, delivering space heating and cooling without requiring an external condenser or pipework.
HVAC manufacturer MRCOOL has expanded its range with the launch of the Monoblock MTHP Series, a 115V wall-mounted heat pump designed to provide both heating and cooling without an external condenser unit or complex refrigerant pipework. The packaged unit is engineered as a single-chassis monoblock system, targeting smaller commercial and domestic spaces such as workshops, garages, home offices, and secondary dwellings.
Unlike traditional split-system heat pumps that rely on external compressor units and flanged refrigerant lines, the all-in-one design houses all mechanical components within the internal wall-mounted unit. The system operates on a standard domestic electrical circuit, enabling straightforward wall mounting and direct connection via a standard plug, bypassing the need for specialized F-gas certified installation procedures usually required for split refrigerant circuits.
What does this mean for a UK tradesperson or DIYer actually buying this kit — does it change what they should pay, buy, or watch out for? For UK installers and serious DIYers looking to heat outbuildings or garden offices, a self-contained monoblock removes the requirement to hire an F-gas registered engineer, significantly lowering the total installed cost. However, UK buyers must note that this specific unit is built to a 115V North American electrical specification, meaning it cannot be directly wired into standard UK 230V mains supply without transformation. UK trades should treat this launch as a sign of where the market is heading, keeping an eye out for 230V European-spec monoblock equivalents hitting major UK trade counters and HVAC distributors.
Reported by Installer Online — original article
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