Terms in this set (112)
Difference in temperature from one place to
🔺T
another.
1 gallon #2 fuel oil 139,000 BTU
1 inch of water Pressure differential required to raise a
column column of water 1".
1 kW of electricity 3,412 BTU
1 therm of natural gas 100,000 BTU
2 x 6 framing is 19.
expected to have an
R value of
99% of moisture is carried by air movement.
249 Pascals 1 inch of water column
Air barriers stop air infiltrations and exfiltration.
via
All you need for air to 1. A pressure difference.
flow is 2. A pathway for flow.
Always air seal in the attic.
Always deal with the source.
moisture at
Amount required to 970 BTU
raise one pound of
water @ 212 F to
steam
, Annual Fuel Efficiency rating for gas furnace.
Utilization Efficiency
(AFUE)
American Society of Heating, Refrigeration,
ASHRAE
and Air Conditioning Engineers.
ASHRAE allows air leakage to serve as ventilation.
Attic insulation should with a blown product.
be installed
Attic insulation typical 38.
had an R value of
Attics are insulated topside
on the
Can be caused by inadequate venting
Backdraft and systems, exterior weather conditions,
Spillage competing exhaust appliances, or all of these
factors.
Uses different rates of expansion/contraction
Bimetal
of 2 different metals fused together.
Blower door airtightness of the entire building envelope.
measures
Measuring the airflow through the fan and its
Blower door works by
effect on air pressure in the building.
Blue Flame Complete Combustion
Amount of heat required to change 1 lb of
BTU
water 1 degree F.
Difference in temperature from one place to
🔺T
another.
1 gallon #2 fuel oil 139,000 BTU
1 inch of water Pressure differential required to raise a
column column of water 1".
1 kW of electricity 3,412 BTU
1 therm of natural gas 100,000 BTU
2 x 6 framing is 19.
expected to have an
R value of
99% of moisture is carried by air movement.
249 Pascals 1 inch of water column
Air barriers stop air infiltrations and exfiltration.
via
All you need for air to 1. A pressure difference.
flow is 2. A pathway for flow.
Always air seal in the attic.
Always deal with the source.
moisture at
Amount required to 970 BTU
raise one pound of
water @ 212 F to
steam
, Annual Fuel Efficiency rating for gas furnace.
Utilization Efficiency
(AFUE)
American Society of Heating, Refrigeration,
ASHRAE
and Air Conditioning Engineers.
ASHRAE allows air leakage to serve as ventilation.
Attic insulation should with a blown product.
be installed
Attic insulation typical 38.
had an R value of
Attics are insulated topside
on the
Can be caused by inadequate venting
Backdraft and systems, exterior weather conditions,
Spillage competing exhaust appliances, or all of these
factors.
Uses different rates of expansion/contraction
Bimetal
of 2 different metals fused together.
Blower door airtightness of the entire building envelope.
measures
Measuring the airflow through the fan and its
Blower door works by
effect on air pressure in the building.
Blue Flame Complete Combustion
Amount of heat required to change 1 lb of
BTU
water 1 degree F.
