Monthly Archives July 2019

Passive House or Passivhaus?

One of the most commonly asked questions about buildings meeting the Passivhaus standard relates to the terminology used. A quick google search on will bring conflicting results with different links referring to either ‘Passivhaus’ or ‘Passive House’. When looking at construction and renovations precision is key, and you may rightly be wondering what the differences are between the two.  In actuality there is no differentiation in their meaning. The term ‘Passivhaus’ originates from the German Passivhaus Institut (PHI), which was created as an independent research institution by Dr Wolfgang Feist IN 1996. Since it’s creation most architects and construction experts have been using the

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Tesla Powerwall FAQ

Tesla Powerwall Frequently Asked Questions How much is a Tesla Powerwall 2.0 battery? As listed on the Tesla website, a single unit Tesla Powerwall 2.0 is £6,650.00, with the supporting hardware being priced at an additional £1,700.00. The total cost amounting to £8,350.00 for you to buy directly from Tesla. Tesla also typically advise installation costs to range between £950.00 and £2,800.00. This cost, alongside the unit and hardware, are all tax inclusive with higher end estimates. All in all, this price will be upwards of £11,150.00. UK Alternative Energy would recommend that you contract with a Tesla Accredited Installer

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