![ANSI/ARI/ASHRAE ISO 13256-1:1998 (RA 2012) Water-source heat pumps---Testing and rating for performance---Part 1: Water-to-air and brine-to-air heat pumps ANSI/ARI/ASHRAE ISO 13256-1:1998 (RA 2012) Water-source heat pumps---Testing and rating for performance---Part 1: Water-to-air and brine-to-air heat pumps](https://cdn-shop-v2.iccsafe.org/media/amasty/webp/catalog/product/cache/da96a82bba3932034ead04d2ccc1acca/8/9/8950a951_3_jpg.webp)
ANSI/ARI/ASHRAE ISO 13256-1:1998 (RA 2012) Water-source heat pumps---Testing and rating for performance---Part 1: Water-to-air and brine-to-air heat pumps
![Professor Jan Pirk holds a mechanical blood pump HeartMate II at the Institute of Clinical and Experimental Medicine (IKEM) in Prague, June 28, 2012. A Czech medical team led by Pirk has Professor Jan Pirk holds a mechanical blood pump HeartMate II at the Institute of Clinical and Experimental Medicine (IKEM) in Prague, June 28, 2012. A Czech medical team led by Pirk has](https://c8.alamy.com/comp/2E60P8J/professor-jan-pirk-holds-a-mechanical-blood-pump-heartmate-ii-at-the-institute-of-clinical-and-experimental-medicine-ikem-in-prague-june-28-2012-a-czech-medical-team-led-by-pirk-has-performed-a-breakthrough-operation-on-a-37-year-old-heart-failure-patient-replacing-his-heart-with-two-heartmate-ii-the-man-is-the-first-to-survive-such-surgery-which-was-performed-on-april-3-the-exact-operation-was-previously-conducted-by-heart-surgeons-in-texas-united-states-however-the-patient-died-one-week-later-picture-taken-on-june-28-2012-reuterspetr-josek-czech-republic-tags-health-scien-2E60P8J.jpg)
Professor Jan Pirk holds a mechanical blood pump HeartMate II at the Institute of Clinical and Experimental Medicine (IKEM) in Prague, June 28, 2012. A Czech medical team led by Pirk has
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