Fit to the diffuse emission of NGC 4214 keeping fixed old = 0.009 and leaving and SFR′ as free parameters. The solid red line represents the best fit to the MIR/submm SED for the measured value of the scalelength h_s = 873 pc, obtained for  = 2.0, and yr^-1. The dark grey dashed line corresponds to the sum of the best-fit models of the HII regions presented in Figs. 4 and 5, and the grey-filled circles correspond to the sum of the photometric points of NW and SE regions. The light grey area represents the uncertainty in the estimation of the total emission of the HII regions. The value of the reduced χ² (neglecting the IRAC 8 μm and MAMBO points) is 1.82.