Skip to main content

Table 4 Frequency of the problem classes and problem incidences in the dimension problem solving

From: Identification and classification of heat pump problems in the field and their implication for a user-centric problem recognition

Question / Category

Different problem classes

Problem incidents

 

N

%

N

%

6. Solution approach: What primary action does it take to solve the problem?

 Settings (i.e. heating control)

14

32%

390

47%

 Service (including spare parts)

29

66%

423

51%

 Considerable effort needed

1

2%

9

1%

7. Problem solver: Who can solve the problem?

 Guided user

11

25%

345

42%

 Energy consultant

6

14%

69

8%

 Hardware installer

18

41%

350

43%

 Technician

9

20%

58

7%

8. Implementation costs: What does it cost to solve the problem?

 CHF < 50

19

43%

467

57%

 CHF 50–99

6

14%

89

11%

 CHF 100–249

8

18%

42

5%

 CHF 250–499

3

7%

15

2%

 CHF ≥ 500

8

18%

209

25%