…src=»https://www.klimaoslo.no/wp-content/uploads/sites/2/2024/01/Oljefyr-40-450×300.jpg» srcset=»https://www.klimaoslo.no/wp-content/uploads/sites/2/2024/01/Oljefyr-40-450×300.jpg 450w, https://www.klimaoslo.no/wp-content/uploads/sites/2/2024/01/Oljefyr-40-1536×1024.jpg 1536w, https://www.klimaoslo.no/wp-content/uploads/sites/2/2024/01/Oljefyr-40-2048×1365.jpg 2048w, https://www.klimaoslo.no/wp-content/uploads/sites/2/2024/01/Oljefyr-40-1920×1280.jpg 1920w, https://www.klimaoslo.no/wp-content/uploads/sites/2/2024/01/Oljefyr-40-1440×960.jpg 1440w, https://www.klimaoslo.no/wp-content/uploads/sites/2/2024/01/Oljefyr-40-1080×720.jpg 1080w, https://www.klimaoslo.no/wp-content/uploads/sites/2/2024/01/Oljefyr-40-680×453.jpg 680w» width=»0″ height=»0″ alt=» Truls Jemtland – Varmen vi henter ut sendes så gjennom varmepumpene, som…