like solar power and off-peak electricity plans, offers additional opportunities for savings. For those interested in managing energy use more efficiently, a smart water heater could be a ...

Traditionally, these heaters operated during off-peak hours overnight when power ... % of freestanding Australian houses now have solar. Switching water heaters to charge during the day can ...

Intended for demand shifting in space heating and domestic hot water (DHW ... the system enforces load shifting from peak times to daytime, aligning with solar energy availability.” ...

Gas heaters are generally the most powerful options and give you precise control over the water temperature compared to solar heaters. Electricity is also usually more expensive than natural gas ...

Cost: $300 (attic insulation), $23 per 4' x 8' board (solar sheathing), $4,000 (new roof), $600 (whole-house fan), $570 (whole-house heater), $1,450 ... on season and peak versus off-peak hours.