| Screening Matrix | |||||
| Success Criteria | Reference | Design A | Design B | Design C | Design D |
| Simplicity | 0 | – | – | – | – |
| Energy Efficiency | 0 | 0 | 0 | 0 | 0 |
| Design/Theme | 0 | + | + | + | + |
| Cost | 0 | 0 | 0 | 0 | 0 |
| Size | 0 | – | + | + | + |
| Sum +’s | 0 | 1 | 2 | 2 | 2 |
| Sum 0’s | 5 | 2 | 2 | 2 | 2 |
| Sum -‘s | 0 | 2 | 1 | 1 | 1 |
| 0 | |||||
| Net Score | 0 | -1 | 1 | 1 | 1 |
| Continue? | No | Combine | Combine | Combine | Combine |
| Scoring Matrix | |||||||||||
| Reference | Design A | Design B | Design C | Design D | |||||||
| Success Criteria | Weight | Rating | Weighted Score | Rating | Weighted Score | Rating | Weighted Score | Rating | Weighted Score | Rating | Weighted Score |
| Complexity | 15% | 3 | 0.45 | 3 | 0.45 | 3 | 0.45 | 3 | 0.45 | 3 | 0.45 |
| Energy Efficiency | 25% | 3 | 0.75 | 2 | 0.5 | 4 | 1 | 4 | 1 | 4 | 1 |
| Design/Theme | 15% | 2 | 0.3 | 5 | 0.45 | 2 | 0.3 | 2 | 0.3 | 4 | 0.6 |
| Cost | 25% | 3 | 0.75 | 3 | 0.75 | 3 | 0.75 | 3 | 0.75 | 3 | 0.75 |
| Size | 20% | 3 | 0.6 | 2 | 0.4 | 4 | 0.8 | 4 | 0.8 | 4 | 0.8 |
| Total Score | 2.85 | 2.55 | 3.3 | 3.3 | 3.6 | ||||||
| Continue? | No | Develop | Develop | Develop | Develop |