Hello dan_b
I have 200 x 47mm plus 96 x 58mm evacuated tubes...... They provide hot water all year round, space heating when required from October - May, hot tub & 10M x 5M swimming pool from May - September.
The main problem is that the days are too short in December & January to fully heat the house.
get1962
I saw those just the other day - quite expensive but would be ideal. I may yet return to solar hot water; I have a west-facing roof on my rear addition which could be suitable for evacuated tubes...
I have 200 x 47mm plus 96 x 58mm evacuated tubes...... They provide hot water all year round, space heating when required from October - May, hot tub & 10M x 5M swimming pool from May - September.
The main problem is that the days are too short in December & January to fully heat the house.
get1962