an apparatus and method for modifying the temperature and aromatically conditioning the air and surfaces within a bed environment . in preferred embodiments , the invention is a self - contained , forced air bed warmer or bed warmer / cooler and aromatic infuser which pre - heats , pre - cools and infuses aromatic influences into the interior sheets and covers of a bed to provide a controlled micro - environment that facilitates relaxation into restful sleep on cold or hot nights . preferred embodiments include an air conditioning section comprising a body portion and a handle portion , said air conditioning section having an exterior surface that is adapted to receive the edge of a bed cover between said body portion and said handle portion ; a fan ; a heat transfer element ; a temperature sensor ; a control circuit connected to said temperature sensor ; a timer mounted within said air conditioning section ; an elongated air delivery section having two ends with an air entrance at one end and a primary air exit at the other end and a means for introducing aromatic influences into the air moving through it .