VENTED ATTIC DO'S 1:150 VENTING 1:300 VENTING 1.0 SF FOR EVERY 150 SF OF ATTIC VENTED SOFFIT (100%) 1:300 VENTING 1.0 SF FOR EVERY 300 SF OF ATTIC VENTED SOFFIT (60%) : RIDGE VENT (40%) PROPER RATIO BETWEEN RIDGE AND SOFFIT R8 DUCT INSULATION DUCT DROPS CLEAR OF INSULATION DUCT CLEAR OF MOST EVERYTHING DOUBLE INSULATE SUPPLY PENETRATIONS

MECHANICAL EQUIPMENT ROOM (M.E.R.) IN CONDITIONED SPACE VENTED ATTIC DO'S MECHANICAL EQUIPMENT ROOM (M.E.R.) IN CONDITIONED SPACE STRATEGY FOR WARMING M.E.R. CEILING STRATEGY FOR WARMING CLOSET AND BATH CEILING R19 CEILING INSULATION CAULK DRYWALL-TO-ATTIC JOINTS. SEALING/INSULATING EXHAUST FAN HOUSING. I. C. LIGHTS

VENTED ATTIC DON'TS AIR HANDLING UNITS R38 CEILING INSULATION BLOWN INSULATION CHANGES IN CEILING HEIGHT RADIANT BARRIER SUPPLY DUCTS TOUCHING INSULATION SUPPLY DUCTS TOUCHING MUCH OF ANYTHING ANY COMMUNICATION WITH METAL STUD SPACES

VENTED ATTIC : WHAT TO EXPECT CONDENSATION BACKSIDE OF CEILING CONDENSATION ON CEILING COLD CEILINGS: CLOSETS AND BATHS COLD CEILING IN M.E.R. MUCH CONDENSATION ON DUCTS HVAC DUCT IS OUTDOORS (MUCH WORSE) HIGH POWER BILLS

SEALED ATTIC : WHAT TO EXPECT HAPPY CUSTOMER