Supply map

Gas furnace

US $7B Global $22B

Housing: Steel housingHeat exchanger: Heat exchangerGas burner: Gas burnerBlower: Induction motorControls: Appliance controls

Gas furnace High · Import 40% $1.1K · Q72 47 Steel housing Low · Import 18% $52 · Q78 29 Housing 1/2 − Steel Low · Import 20% $700 · Q55 21 + Heat exchanger Medium · Import 33% $120 · Q70 37 − Steel Low · Import 20% $700 · Q55 21 + Gas burner Medium · Import 38% $12 · Q70 40 − Steel Low · Import 20% $700 · Q55 21 + Copper High · Import 33% $9K · Q60 42 + Induction motor High · Import 75% $45 · Q75 75 Blower 1/3 − Electrical steel High · Import 78% $1.6K · Q70 77 + Copper High · Import 33% $9K · Q60 42 + Aluminum Medium · Import 28% $2.4K · Q70 32 + Appliance controls High · Import 82% $18 · Q65 80 − Printed circuit boa… High · Import 90% $40 · Q70 87 + Microcontroller Critical · Import 95% $4 · Q40 96 + LED indicator Low · Import 55% $1 · Q30 48 Status display 1/4 +
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