vacuum collector
a slightly concentrating collector in which a vacuum has been created between the absorber and the cover
GRM: n.
Note: energy savings in heating
References:
GEN solar collector
GEN solar captor
SEE window
SEE cover window
SEE cover plate
SEE collector cover
SEE absorber plate
SEE absorber
SEE cover
SEE collector panel
SEE aperture cover

ENERGY TERM COURTESY OF ENERGY.EU