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Solar air heater

878 bytes added, 07:25, 31 January 2011
Estimated costs
= Estimated costs =
 
The cost for to build a solar air heater varies significantly depending on whether the materials are purchased "new" or if they were salvaged. In addition, the decision between glass and plexiglass has a very large impact on total cost of the system. Finally, there are other factors such as the use of a fan, solar panels, back-up battery, wires and sheet metal that could be incorporated in the design and would certainly increase the budget.
 
 
 
{| width="200" border="1" cellpadding="1" cellspacing="1"
|-
|
'''Item'''
 
| '''Cost'''
|-
| Plywood
| $20
|-
| Wood Beams
| $15
|-
| Glass or Plexiglass
| $40
|-
| Sealant
| $5
|-
| Insulation
| $5
|-
| Black Paint
| $5
|-
| Aluminum "L" Trim
| $3
|-
| Screws
| $2
|}
 
<br>Overall, a basic system can be constructed for approximately $95, which could easily be reduced by being resourceful when gathering the components.&nbsp;
= Alternative designs =
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