Here are some links to Green Tech websites that we found useful or that we believe sell class leading green technology:
[We do review these from time to time to add new ones and remove the broken links]
| Product/Topic | Description | |
| General Info | Energy Saving Trust | UK government organisation promoting energy saving |
| Without the hot air | David Mackays fabulous book on Sustainable Energy | |
| Vermont Energy Inv Corp | General info about Solar Power | |
| Green Building Forum | More than just another Blog? | |
| Sustainable Housing | Government publication | |
| Statistics | Boiler Efficiency Database | UK Government statistics on Boiler Efficiency |
| Electricity Generation Statistics | Article in Earthtoys Emagazine | |
| Heat pumps | Heat pump COP | Wikipedia entry for heat pumps |
| heat pump Water Heater | Example of Air-Water Heat pump | |
| Sirac heat pumps | Water-Water heat pumps from China | |
| Invisible Heating Systems | Retailer for IDM Heat pumps | |
| Gas heat pumps | Article on Gas heat pumps | |
| Worcester Bosch | Heat pump manufacturer | |
| Powertech Solar | Air to Water Heat pumps and more | |
| Micro CHP | Genlec | Gas Boiler with integrated 1kW Electricity Generator |
| Whispergen | CHP Boiler from Powergen | |
| Other Stirling Engine tech | Whispergen competitor | |
| Solar Thermal | Solar Collector | Chinese source of high performance evacuated solar panels |
| Sunwarm | Roof mounted, air based Solar energy system (now discontinued) | |
| Cansolair | Novel easy install solar air heaters from Canada | |
| Aspen Aerogell | High performance insulation | |
| Solar Patriot | US Evacuated tube Solar Panel manufacturer | |
| Sunselect | Absorbent coating for high heat absorption | |
| Solar Board | American Solar Board heater company | |
| HW Accumulators | Massive thermal stores by Akvaterm | |
| SystemZone | Heat transfer manifold removes the need for motorized valves | |
| Roof Construction | Details of concrete tile roofs | |
| Photovoltaic | Solar Frontier |
"The most economical, ecological Solar Panels on earth, on the world's largest scale" |
| HVAC | Invisible AC | Small duct ventilation inspired by jet engines |
| Coolerado cooling | Highly effective evapourative water air cooling | |
| Comfort Conditioning | HVAC System from Villavent | |
| Regavent | Heat Recovery Ventilation | |
| HVAC with Heat pump (pdf) | Example Genvex heat pump | |
| Single ROOM HVAC (pdf) | Single Room HRV from Kiltox | |
| Heat Recovery Ventilator | Washable Single Room HRV from RylkAir | |
| Insulation | Engineering Tool Box | Heat transfer (u Value) Data |
| Reflex Glass | "Blue Glass" manufacturer | |
| Polycarbonate Roofs | U values for Polycarbonate Roofs | |
| Solid Wall Insulation | Firm making insulating render coating | |
| Insulated Concrete Floors | Reduces CO2 in building concreted floors | |
| Control Systems | Smart Home Controls | Home control systems |
| Enocean Wireless | Ultra Low power Wireless sensors | |
| Sensible Heat | Another home control company | |
| Ethernet Device Server | I2C to Ethernet server | |
| PIC with 10BaseT Ethernet | $4 PIC controller with embedded Ethernet PHY | |
| PIR Modules | UK Firm making occupancy detection modules | |
| Rako Controls | Digital Dimming Firm | |
| Reliance Water Controls (pdf) | Low power Latching Solenoid Valves | |
| General Imsubs (India) (pdf) | More Low power Latching Solenoid Valves | |
| Smart Windows | Berkeley Science Beat | On Switchable Mirrors |
| Smart Windows Article | General info on photochromic windows | |
| Smart Windows | General info on electrochromic windows | |
| Photochromic Windows | Article from Digital Home magazine | |
| Other Greentech | Greenwood Heating | More Information on Renewable Energy resources |
| Solar Eagle Wind Turbines | Cost effective wind energy | |
| Mag Wind | Novel but discredited Vertical Wind Turbine | |
| Eco Boilers | Wood Burning boilers | |
| How much Oxygen? | Web page on how much ventilation we really need | |
| Hot2000 | Free heatloss calculation software from/ for Canada | |
| Shower-Save | Recover heat from shower drainage water | |
| Chillipepper | (Hot) Water saving device | |
| WARMIT | Novel waste water heat recovery system |
last update 23rd January 2011