I pass by the hotel regularly, accessing the motorway out of Lisbon. I wouldn't dream of recommending it to anyone, simply because of the grim location in Prior Velho, sandwiched between an industrial estate and the Lisbon ring-road.
OK, if the rate were good, and the stay was to facilitate a connection, then perhaps OK. Even better if TAP were paying
But a taxi fare of less than EUR10 will get you from the airport to the reasonably priced HI's, and public transport does it for even less .....