MRCool releases inverter heat pump for recreational vehicles

US heating, ventilation and air-conditioning manufacturer MRCool has launched TravelCool, a rooftop air-source heat pump designed for recreational vehicles (RVs).

The unit provides 15,000 Btu/h of cooling capacity and 10,236 Btu/h of heating capacity. According to the manufacturer, it is intended for larger coaches and multi-room trailers and can operate in both ducted and ductless configurations.

According to product specifications, the rooftop unit measures 104.0 cm × 75.5 cm × 27.0 cm and has a net weight of 43.2 kg. The reduced rooftop profile is intended to limit wind resistance and provide additional vehicle clearance.

The system uses difluoromethane (R-32) refrigerant and is available with black or white exterior housings, under the MRDHP15K-D and MRDHP15W-D model designations, respectively.

MRCool said the heat pump uses DC inverter technology to optimize electricity consumption in both grid-connected and off-grid applications. The TravelCool operates on a 115 V, 60 Hz AC supply. In an RV powered partly by photovoltaics, the unit would therefore typically draw electricity from the vehicle’s battery system via an inverter, rather than directly from the PV modules.

The rooftop system operates at a sound level of 55 dB in Eco mode and 59 dB in Turbo mode. MRCool said conventional RV air-conditioning systems can operate at between 60 dB and 70 dB.

MRCool claims the system can cool an RV interior to 17.2 C at outdoor temperatures of up to 42.8 C. In heating operation, it can provide indoor temperatures of up to 27.2 C when the outdoor temperature is as low as 5 C.

Users can control the system using a supplied remote control, an optional MRDCW wired controller or a smartphone application.

The rooftop unit is backed by a two-year parts warranty.

MRCool is positioning TravelCool partly for RV owners using off-grid electrical systems. Solar generation is not integrated into the heat pump, and the company has not announced a dedicated PV system as part of the TravelCool launch. Instead, PV can form part of the upstream electrical supply, with solar modules charging a battery system and an RV inverter supplying the 115 V AC required by the heat pump.

The Kentucky-based manufacturer said the product is aimed at a US recreational vehicle market in which around 37 million Americans planned to travel by RV during summer 2026, citing data from the RV Industry Association.

The TravelCool launch follows MRCool’s recent introduction of a 115 V DIY monoblock heat pump for residential and auxiliary spaces. That system, announced earlier in August, offers 10,000 Btu/h of cooling capacity and 9,000 Btu/h of heating capacity and also uses R-32 refrigerant and inverter-driven technology.