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General questions about the E-solar!
Display # 
1 What is appropriate technology? 32
2 Inappropriate technology - Consequences 309
3 Appropriate technology - An economical solution 321
4 Planning & sizing a solar sytem 465
5 Powering your heating loads 282
6 How reliable are wind turbines? 364
7 Policy factors 302
8 Wind-generators 271
9 How does the sun power a pump? 277
10 Battery voltage and current 340
11 Battery cable inductance 372
12 System voltage selection-12 or 24 V? 443
13 AC or DC? 336
14 Importance of high efficiency 308
15 Ghost loads 317
16 Common appliances with ghost loads 426
17 What is an inverter? 314
18 What is PV? 291
19 Are PVs cost effective? 309
20 How do PVs work? 360
21 The basic idea is simple! 284
22 How much PV do I need for my house? 602
23 How long will a PV last? 279
24 What kinds of PV are available? 360
25 Where is PV used? 264
26 What`s the big deal about "full" spectrum lighting? 470
27 What are compact fluorescents or PLs? 316
28 Compact fluorescents are so expensive - are they worth it? 269
29 What is a ballast and what is the difference between electronic and magnetic ones? 324
30 Should I use DC lights or run everything through an inverter? 321
31 Solar Water Heaters 286
32 Do solar water heaters have boosters 333
33 Which water heater? 289
34 How can I install a solar hot water system? 369
35 What can I use during power failures? 298
36 What appliances can a Trace system run? 278
37 How long can the batteries run the system? 288
38 How is the system recharged? 315
39 What kind of batteries do the systems include? 266
40 Why a Trace system over a generator? 281
41 How fast is the system response to black-outs? 313
42 How do I install my Trace system? 290
43 Where will my system be installed? 283
44 How do I decide which system is right for me? 334
45 AC Systems 453