Lecture 6 - Passive Houses Flashcards
1
Q
What is the recommended rate of air change per hour (at 50pa) for passive houses?
A
< 0.6 ac/hr
2
Q
What are some qualities of passive houses?
A
- Uninterrupted insulation and airtight thermal envelope
- Use of free heat from sun, people, and appliances
- Recovery of heat from stale air
- Continuous supply of fresh air
3
Q
What are the contaminants of fresh air in the Roof?
A
- Rodent drops
- Insulation fibres
- Mould
4
Q
What are the contaminants of fresh air from the outside?
A
- Motor fumes
- Pollen
- Dust
5
Q
What are the contaminants of fresh air from the Subfloor?
A
- Mould
- Moisture
- Radon
- Insecticides
6
Q
What are the contaminants of fresh air from the Garage?
A
- Motor fumes
- Paint fumes
- Fertiliser
- Pesticides
7
Q
How are Positive Energy Homes achieved?
A
They are achieved by:
- Limiting the energy demand
- Safeguarding the hygrothermal performance and comfort
- Looking at total efficiency/climate impact
- Then sharing the surplus of regenerative energy
