General questions about the E-solar!
Display # 
1 What is appropriate technology? 635
2 Inappropriate technology - Consequences 646
3 Appropriate technology - An economical solution 406
4 Planning & sizing a solar sytem 741
5 Powering your heating loads 429
6 How reliable are wind turbines? 537
7 Policy factors 425
8 Wind-generators 416
9 How does the sun power a pump? 405
10 Battery voltage and current 502
11 Battery cable inductance 509
12 System voltage selection-12 or 24 V? 446
13 AC or DC? 472
14 Importance of high efficiency 468
15 Ghost loads 868
16 Common appliances with ghost loads 610
17 What is an inverter? 534
18 What is PV? 478
19 Are PVs cost effective? 429
20 How do PVs work? 695
21 The basic idea is simple! 423
22 How much PV do I need for my house? 545
23 How long will a PV last? 463
24 What kinds of PV are available? 433
25 Where is PV used? 481
26 What`s the big deal about "full" spectrum lighting? 472
27 What are compact fluorescents or PLs? 448
28 Compact fluorescents are so expensive - are they worth it? 429
29 What is a ballast and what is the difference between electronic and magnetic ones? 439
30 Should I use DC lights or run everything through an inverter? 471
31 Solar Water Heaters 517
32 Do solar water heaters have boosters 460
33 Which water heater? 547
34 How can I install a solar hot water system? 503
35 What can I use during power failures? 469
36 What appliances can a Trace system run? 419
37 How long can the batteries run the system? 430
38 How is the system recharged? 403
39 What kind of batteries do the systems include? 403
40 Why a Trace system over a generator? 457
41 How fast is the system response to black-outs? 405
42 How do I install my Trace system? 469
43 Where will my system be installed? 469
44 How do I decide which system is right for me? 541
45 AC Systems 429