sysco Posted March 3 Share Posted March 3 I thought i'd post this problem that i'am having when i use my 2-- 14,000 BTU window air conditioners one upstairs the other downstairs, basement door is closed what is happening when they are both on i'm getting negative air pressure i have an oil fired furnace and it is drawing the smell of oil through the house{ only when they are on ] any solutions what i can do thank you Link to comment Share on other sites More sharing options...
TheDucks Posted March 4 Share Posted March 4 We had this issue with a whole house attic fan and an oil burner that also was the water heater. Open more windows (we pulled cool basement air up thru the house). Window A/C may have an Exhaust setting (might be a damper). DON't use that Link to comment Share on other sites More sharing options...
sysco Posted March 4 Author Share Posted March 4 will check that out thank you Link to comment Share on other sites More sharing options...
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