Topic 04 · 19 min

Environmental impact

Understand carbon per kWh, the grid, refrigerants and embodied carbon, with honest numbers rather than slogans.

1. 1Carbon per kWh and the grid4 min · 3 questions · Is electricity really cleaner than gas?
2. 2Refrigerants and GWP3 min · 3 questions · Isn't the refrigerant a greenhouse gas?
3. 3Embodied carbon and lifetime3 min · 3 questions · Doesn't making the thing cancel out the savings?
4. 4Air quality and no combustion3 min · 2 questions · asks 1 about your home · What changes in the air around the house?
5. 5When a heat pump isn't greener3 min · 3 questions · Is there a version of this that doesn't add up?
6. Learning checkOpens after the 5 remaining lessons · 80% to pass · credits £10+£10