Air-to-water heat pump monitoring in the cold climate regionKõiv, Teet-Andrus; Ling, Mariin; Tennokese, KasparInnovative Solutions in the Field of Engineering Sciences : selected, peer reviewed papers from the 2014 International Conference on Applied Mechanics and Mechanical Automation (AMMA 2014), May 20-21, 2014, Macao, China2014 / p. 599-603 : ill Exhaust air heat pump heat recovery system for apartment buildingsKõiv, Teet-Andrus; Mikola, Alo; Kuusk, KalleLecture Notes in Information Technology. Vol 13, 2012 International Conference on Power and Energy Systems (ICPES 2012), April 12-13, 2012, Hong Kong2012 / p. 250-255 : ill Problems with using the exhaust air heat pump for renovation of ventilation systems in old apartment buildingsMikola, Alo; Tennokese, Kaspar; Kõiv, Teet-AndrusDanish journal of engineering and applied sciences2015 / p. 44-55 : ill https://doi.org/10.6084/M9.FIGSHARE.1510922 The application of the ground source and air-to-water heat pumps in cold climate areasTennokese, Kaspar; Kõiv, Teet-Andrus; Mikola, Alo; Vares, VilluSmart grid and renewable energy2013 / p. 473-481 : ill The efficiency analysis of the exhaust air heat pump systemMikola, Alo; Kõiv, Teet-AndrusEngineering2014 / p. 1037-1045 : ill