TTechnology
Inverter‑Free PV Heat Pumps Boost Efficiency
Clivet’s new CVT9 VRF heat pumps can run directly on 400‑600 V DC from rooftop solar, eliminating the inverter and delivering up to SEER 8.58 and SCOP 4.93.
4 min read
Articles tagged
#energy efficiency
TTechnology
Hybrid Roof Generates Power, Heat & Cooling
KIT’s prototype hybrid roof simultaneously cools 6.5 °C below ambient, produces 60.6 W m⁻² of electricity and reaches 110.8 °C for heat, suggesting promising economics for Israeli installations.
4 min read
RResidential
Split‑System HPWH Cuts Bills 70%
A. O. Smith’s Voltex X split‑system heat‑pump water heater can cut residential water‑heating bills by up to 76 % and works down to –31.7 °C, thanks to its outdoor CO₂‑based compressor and smart Wi‑Fi controls.
3 min read
RResearch
Cold‑Climate Heat Pumps Tested for Arctic Homes
Samsung and Oak Ridge National Laboratory are testing a new vapor‑compression heat pump that can keep homes warm at outdoor temperatures down to –30 °C, with the aim of delivering higher efficiency than conventional units.
3 min read
TTechnology
Compact All‑In‑One Heat Pump Boosts Efficiency
Shenling’s ThermaX R290 All‑In‑One heat pump integrates tanks, pumps and controls into a single indoor unit, delivers COPs around 4 even at –7 °C, and pairs efficiently with a typical Israeli 10 kWp solar array.
3 min read
TTechnology
Daikin Nexio Max Heat Pump Slashes Energy Use
Daikin’s Nexio Max rooftop heat pump, available in 7.5‑10 ton sizes, achieves up to 3.85 COP and can operate down to –25 °C, offering Israeli commercial buildings a low‑carbon heating option when combined with solar PV.
4 min read