Use of heat exchangers in solar hot water heating applications

Owing to its advantages, brazed plate heat3. Heating radiant walls
exchangers have become extremely popular in4. Heating water in swimming pools and spas
domestic heating applications. Especially in domesticIn all of these applications, solar energy is trapped
solar heating setups owing to it low cost, lowby a solar panel that transfers the heat to the
maintenance and high efficiency.outer loop. This heat is then collected by a brazed
One of the most important factors in determiningplate heat exchanger where heat is transferred
the viability of a solar heater is its heat transferfrom the outer loop (from the panel) to the inner
efficiency. In simple terms, a good solar heater isloop. The heated liquid of the inner loop can now
one, which is able to transfer maximum amountbe circulated through a water heater to heat
of heat from the captured sunlight to the innerwater for domestic supply or passed through
loop. A brazed plate heat exchanger is ideallyradiant walls and/or floors for domestic heating or
suited for this purpose since it occupies much lesspassed through a swimming pool or spa for
space, is far more efficient and cost effectiveheating the water.
than other types of heat exchangers and is easyBrazed plate heat exchangers can easily handle
to maintain and clean.high temperatures and pressures associated with
Brazed plate heat exchangers in combination withthe latest solar system designs and also keep the
domestic solar panels can be used for:domestic water loop in complete isolation with the
1. Supplying hot watersolar loop. This ensures complete safety of the
2. Heating radiant floorssystem as well as long life.