L0E - Ecological Homes

Question 1

True or False:
Passive heating/cooling systems are natural and do not consume energy (elec, oil, gas, etc)

Answer 1

True, passive = doesn’t require any input of energy

Question 2

Passive solar heating is the most ______ ____________ means of providing heat to buildings

Answer 2

cost effective

Question 3

The amount of solar energy that falls on the roof of a typ. house is ____ than the total energy consumed within the house

Answer 3

more

Question 4

True or False:
It requires a lot of expense to construct passively heated home vs conventional home

Answer 4

False, it requires very little or no additional expense

Question 5

True or False:
Good natural ventilation feature large, high inlets on the cool side of the house with low outlets on opposite side

Answer 5

False

Question 6

The rule of thumb in terms of PV panel tilt is to set the angle of the panels to match the location’s __________

Answer 6

latitude, lat

Question 7

Passive House rating tool includes a “_________ ________ test” to confirm the air tightness of the property’s interiors

Answer 7

blower door

Question 8

Which NZ region features a concentration of historic cob dwellings?

Answer 8

Canterbury

Question 9

For passive solar heating, roughly _______ of interior surfaces should be made up of thermal mass materials

Answer 9

50-70%

Question 10

For passive solar heating, the long axis of the house should be facing no more than _____ degrees from truth north

Answer 10

10

Question 11

True or False:
PV with a 16% capacity factor is projected to produce 16% of its POTENTIAL power throughout a year, incl nighttime

Answer 11

True

Question 12

Natural bldg tech ___________________, tends to be left ‘raw’ without any additional interior or exterior finish applied

Answer 12

rammed earth

Question 13

The “________ ___________ Challenge” is an ambitious green certification tool aimed at net positive enviro impact buildings.

Answer 13

Living Building

Question 14

True or False:
A back up heating system is needed as the sun doesn’t always shine so need some kind of backup system

Answer 14

True

Question 15

What are the two critical elements of passive solar heating?

Answer 15

Solar exposure (sun-facing exposure of transparent material - glass, plastic - to allow solar energy in) and thermal mass material (brick, concrete adobe, etc - to absorb and store the heat/or cool for later)

Question 16

What is a water wall?

Answer 16

Water encased in metal or plastic which is an alternative mass material

Question 17

What are the two approaches?

Answer 17

Direct gain and Indirect gain

Question 18

Which is the simplest approach?

Answer 18

Direct gain