optimization
Hitachi Y-Series CO2 Water Heater: What R744 Changes
Hitachi's Y-series EcoCute runs on CO2, banks more heat per litre than...
Tag
#Heat Pumps
6 articles
Articles tagged Heat Pumps
data-analysis
How to Store Solar Energy Without Batteries in 2026
Heat a water tank, pre-cool the house, or use the grid as...
optimization
Daikin's Rooftop Heat Pump Is a Solar Sizing Problem
Daikin's Nexio Max reaches COP 3.85 and IEER 22 on a flat...
regulations
Daytime Tariffs: Why Midday Power Is Getting Cheaper
Japanese utilities now price midday power low because solar floods the grid,...
optimization
Solar-Aware Water Heaters: Japan Ships, the US Waits
Hitachi's Y-series EcoCute lets the owner pick a daytime tariff from the...
data-analysis
How Can Solar Power Be Used? Seven Real Applications
Solar power runs homes, water heating, farms, boats and satellites. See what...