With many thanks to John Lloyd for this post. Countries that currently use absorption refrigeration (gas, electric or kerosene-powered) are facing increasing pressure to switch to solar photovoltaic-powered refrigeration for vaccine as manufacture of absorption equipment shrinks. We have a substa...

http://www.5min.com/Video/Solar-Panel-Fridges-for-Rural-Bangladesh-502319944...

Compressor Replacement Without a Vacuum Pump Replacement of a compressor requires the use of a vacuum pump. Solar powered vaccine refrigerators are generally located away from the utility grid. Most vacuum pumps are powered by AC grid power making compressor replacement difficult. We have develo...

What service life do you think vaccine refrigerators should be able to provide? For example, some products may suggest a 10 year life while others suggest longer, with typical repairs. PQS requires a 2 year warranty for a vaccine fridge. Solar powered vaccine fridge systems require solar electric mo...