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Solar Collectors and Supplies
We offer vary size high efficiency pressurized evacuated heat pipe solar collectors for residential and commercial hot water application, and seeking distributor and local dealer for our serious products.
 
DIY Plans of Solar Water Heat System for Cold Weather Area
Four plans are described in this manual, it is easy to follow step by step with a large amount of pictures, no plumbing background is required, most of parts are available in local store, P1(plan1) is the foundation of system for update late, also works itself. You can easily to update to P2, P3 and P4 anytime with a little effort. Hot water volume capacity is unlimited based on P1 design. The material costs from P1 to P4 are between $950 and $2500, P5 is for commercial application (e.g. restaurant, laundry, and hotel) or residential radiant floor, the cost is case by case. Please see the table for comparison of plans.
Comparison of Plans of DIY Solar Hot Water System:
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Plan
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Pump
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Collector
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Controller
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Heat Exchanger
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Copper Pex pipe and fittings
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Total Cost Estimate
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Note
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P1
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1(I)
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1
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Timer
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CPH
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Yes
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$950
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Cheapest system, need manually setup controller
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P2
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1(I)
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1
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DTC
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CPH
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Yes
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$1110
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Economic system, auto control
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P3
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2(I & B)
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1
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DTC
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CPH &PHE
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Yes
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$1510
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High efficiency
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P4
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2(I&B)
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2
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DTC
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PHE
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Yes
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$2130
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High efficiency and high demand
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P5
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2(I&B)
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3-10
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DTC
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PHE or non-pressured Tank
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Yes
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quotation
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Commercial
Application and
Radiant floor
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Plan: Close glycol anti-frozen system
Pump: I=Iron, B=Bronze or Stainless steel
Collector: 16 evacuated heat pipe tubes, 20 sqft.
Controller: DTC (differential Temperature controller), T (Timer)
Heat exchanger: CPH (copper pipe homemade), PHE (plate heat exchanger)
Tank: regular electric water heater, 50-80 gallon, new 80gallon is around $450, a non-pressured homemade tank can hold over 200 gallon hot water, material will cost around $200-300.
Diagram for Plans
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Solar Thermal DIY System
