That could mean that your filter needs to be changed, which is causing the furnace to overcompensate and eventually suck exhaust gases into the home. You should change the filters on a monthly basis.
Solve Common Furnace Problems with 9 Easy Fixes
Woodbridge Dual Flush Elon... $299.98
Honeywell HCE100 Heat Bud ... $13.98
Hard Maple Lumber 3/4"x2"x... $9.33
J5 Tactical V1-Pro Flashli... $7.96
BLACK+DECKER LDX120C 20-Vo... $49.99
Custom Leathercraft 125M H... $9.37
Splash Ice Melt, Snow Ice... $15.89
WORX 18-Inch 15.0 Amp Elec... $92.00
Snow Joe SHOVELUTION SJ-SH... $22.99
Holiday Wonderland 100-Cou... $3.17
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