"It halved our electricity, paid off in 72 days"

Chris and Jan Attkins, Arran

"I love my tent. It returned our money in less than 3 months"

Jane Noddings, Mull (see video)

"Really enthusiastic, fantastic piece of equipment"

Anna Hogan, Mull

"A godsend. Would be lost without it. We'd buy another if we had the space"

Linda Yuill, Bathgate (hers is 18 years old)

"Maintenance free, simplicity itself, does just what it says, a no brainer"

Andrew and June Saul, Mull (they now have three, and use one just for logs)

"One of my best purchases, eco friendly, labour saving, and all importantly, money saving"

Jean Gallagher, Mull

"A great product and a huge help

Sandy Winterbottom, Dollar

"Potential for huge savings in costs and emissions"

Energy Technology Centre, National Engineering Laboratory, East Kilbride

"We cut our routine tumble dryer use by 70 to 80%"

Buddhist Centre for World Peace, Holy Isle, Arran