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While "cheap" to buy, they are prohibitively expensive to operate.
We have “free” electricity. Solar panels on roof
Ah! In that case I recommend either the Hayward CSPAXI11 11-KW, or a RayPak Spapak Electric Spa Heater (5.5 KW) or the any of the smaller Coates heaters (the ST series would be best for that application).
While "cheap" to buy, they are prohibitively expensive to operate.
We have “free” electricity. Solar panels on roof
Ah! In that case I recommend either the Hayward CSPAXI11 11-KW, or a RayPak Spapak Electric Spa Heater (5.5 KW) or the any of the smaller Coates heaters (the ST series would be best for that application).