▁or ▁al ar ms ▁should ▁always ▁be ▁installed ▁according ▁to ▁manufact ur ers ' ▁recommend ations ▁where ▁a ▁wood ▁st ove ▁is ▁in ▁use . ▁Not ▁all ▁smoke ▁detect ors ▁detect ▁carbon ▁mon ox ide . ▁ ▁F uel ▁acceler ants ▁such ▁as ▁coal , ▁gre ase , ▁oil , ▁gas oline , ▁k eros ene , ▁pl ast ics , ▁and ▁so ▁on , ▁also ▁must ▁never ▁be ▁added ▁to ▁fire wood ▁in ▁a ▁wood ▁st ove , ▁since ▁the ▁fl ames ▁produced ▁may ▁easily ▁over wh elm ▁the ▁wood ▁compart ment ▁and ▁st ove ▁pip es ▁and ▁create ▁a ▁house ▁fire . ▁ ▁UK ▁smoke ▁control ▁areas ▁Under ▁the ▁United ▁Kingdom ' s ▁C lean ▁Air ▁Act , ▁local ▁authorities ▁may ▁declare ▁the ▁whole ▁or ▁part ▁of ▁the ▁district ▁of ▁the ▁authority ▁to ▁be ▁a ▁smoke ▁control ▁area . ▁It ▁is ▁an ▁off ence ▁to ▁emit ▁smoke ▁from ▁a ▁chim ney ▁of ▁a ▁building , ▁from ▁a ▁furn ace ▁or ▁from ▁any ▁fixed ▁bo iler ▁if ▁located ▁in ▁a ▁designated ▁smoke ▁control ▁area . ▁It ▁is ▁also ▁an ▁off ence ▁to ▁ac quire ▁an ▁“ un author ized ▁fuel ” ▁for ▁use ▁within ▁a ▁smoke ▁control ▁area ▁unless ▁it ▁is ▁used ▁in ▁an ▁“ ex empt ” ▁app liance ▁( “ ex empt ed ” ▁from ▁the ▁controls ▁which ▁generally ▁apply ▁in ▁the ▁smoke ▁control ▁area ). ▁The ▁current ▁maximum ▁level ▁of ▁fine ▁is ▁£ 1 , 0 0 0 ▁for ▁each ▁off ence . ▁ ▁In ▁order ▁to ▁comp ly