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It's chilly where the sun struggles to shine! #OkapiApp #SolarHeating #Innovation #MakesSpringAwesome

It's chilly where the sun struggles to shine! #OkapiApp #SolarHeating #Innovation #MakesSpringAwesome

Happy Middle of Winter! #SolarHeat #EcoHomes #SmartHomes #GreenHomes #Winter #Beautiful #Hot #Earth #Sun #Homesteader #Photography

Greenhill EnviroTech on

Happy Middle of Winter! #SolarHeat #EcoHomes #SmartHomes #GreenHomes #Winter #Beautiful #Hot #Earth #Sun #Homesteader #Photography

May your cold season be full of warmth! #solarheat #okapi #greenhill #makeswinterawesome

Greenhill EnviroTech on

May your cold season be full of warmth! #solarheat #okapi #greenhill #makeswinterawesome

'World can cut carbon emissions and live well'

'World can cut carbon emissions and live well'

'World can cut carbon emissions and live well' - BBC News

May Your September Be Exhilarating! #backtoschool #backusonkickstarter #GreenBuildingProducts #NextGeneration #Learn

May Your September Be Exhilarating! #backtoschool #backusonkickstarter #GreenBuildingProducts #NextGeneration #Learn

Solar Heat Harvester News Blog: "I am a Farmer!" #okapi #app #brave #DIYgift #MakesWinterAwesome http://wp.me/p3Yywk-7Z

I am a Farmer!

Solar Heat Harvester News Blog: "I am a Farmer!" #okapi #app #brave #DIYgift #MakesWinterAwesome http://wp.me/p3Yywk-7Z

The days are getting shorter & the nights are getting chillier, but we LOVE this time of year! #green #solarheat

The days are getting shorter & the nights are getting chillier, but we LOVE this time of year! #green #solarheat

You gotta see what this company has secretly been working on! "Major Tech-Communication Innovation for Solar Air Heaters"

Major Tech-Communication Innovation for Solar Air Heaters

You gotta see what this company has secretly been working on! "Major Tech-Communication Innovation for Solar Air Heaters"

UK "needs more home-grown energy"... Umm... The whole World needs more home-grown Energy! What are you "growing" ?

UK 'needs more home-grown energy'

UK "needs more home-grown energy"... Umm... The whole World needs more home-grown Energy! What are you "growing" ?

July Full Moon: Remember to Look Up! #lunar #skies #cleantech #innovation #sustainability

July Full Moon: Remember to Look Up! #lunar #skies #cleantech #innovation #sustainability

Just in case you are missing it, trapped amongst flowers, new, green leaves and warms breezes...

Just in case you are missing it, trapped amongst flowers, new, green leaves and warms breezes...

Thank You for Your Environmentalism! Kickstarter Project Funded! #green #ecoliving #solarheat #smarthome #cleantech

Greenhill EnviroTech on

Thank You for Your Environmentalism! Kickstarter Project Funded! #green #ecoliving #solarheat #smarthome #cleantech

Have we made a friend? #officewindowviews #solarheat #okapi #greenhill #makeswinterawesome

Greenhill EnviroTech on

Have we made a friend? #officewindowviews #solarheat #okapi #greenhill #makeswinterawesome

Cliff Seruntine | Enter the enchanted forest . . .

Cliff Seruntine | Enter the enchanted forest . . .

Huge clean-tech innovation of this century starts at home: "Are You a Solar Space Heating Cadet?" #solar #energy #hot

Are You a Solar Space Heating Cadet?

Huge clean-tech innovation of this century starts at home: "Are You a Solar Space Heating Cadet?" #solar #energy #hot