The USB-4232 is bi-directional which means it will not only convert from USB to 4 port RS232 but 4 port RS232 to USB. These USB to 4 Port RS232 converters feature (4) 9-pin DB9s for simple cable installation. Our converters are protected by a 5 year warranty and 30 day money back guarantee.
While variable speed air source heat pumps can be competitive with geothermal heat pumps in retrofit situations and smaller, better insulated buildings and less extreme climates, GHPs remain the most efficient way to heat and cool a building.
In fact, with SEER ratings of 20.0, the Mitsubishi Mr. Slim ductless air conditioner heat pump is one the most efficient and cost-effective systems you can buy . Mitsubishi engineers designed these systems to provide peace of mind from both a comfort and energy standpoint.