General questions about the E-solar!
Display # 
1 What is appropriate technology? 710
2 Inappropriate technology - Consequences 924
3 Appropriate technology - An economical solution 456
4 Planning & sizing a solar sytem 874
5 Powering your heating loads 492
6 How reliable are wind turbines? 671
7 Policy factors 480
8 Wind-generators 478
9 How does the sun power a pump? 454
10 Battery voltage and current 596
11 Battery cable inductance 569
12 System voltage selection-12 or 24 V? 511
13 AC or DC? 536
14 Importance of high efficiency 526
15 Ghost loads 1020
16 Common appliances with ghost loads 697
17 What is an inverter? 620
18 What is PV? 540
19 Are PVs cost effective? 491
20 How do PVs work? 828
21 The basic idea is simple! 481
22 How much PV do I need for my house? 633
23 How long will a PV last? 523
24 What kinds of PV are available? 504
25 Where is PV used? 567
26 What`s the big deal about "full" spectrum lighting? 537
27 What are compact fluorescents or PLs? 504
28 Compact fluorescents are so expensive - are they worth it? 489
29 What is a ballast and what is the difference between electronic and magnetic ones? 523
30 Should I use DC lights or run everything through an inverter? 535
31 Solar Water Heaters 588
32 Do solar water heaters have boosters 541
33 Which water heater? 622
34 How can I install a solar hot water system? 554
35 What can I use during power failures? 530
36 What appliances can a Trace system run? 484
37 How long can the batteries run the system? 500
38 How is the system recharged? 467
39 What kind of batteries do the systems include? 463
40 Why a Trace system over a generator? 519
41 How fast is the system response to black-outs? 463
42 How do I install my Trace system? 525
43 Where will my system be installed? 527
44 How do I decide which system is right for me? 600
45 AC Systems 475