{"id":3861,"date":"2018-06-04T10:07:00","date_gmt":"2018-06-04T10:07:00","guid":{"rendered":"https:\/\/www.climatism.gr\/iliaka-systimata-calpak\/"},"modified":"2025-09-10T16:58:22","modified_gmt":"2025-09-10T13:58:22","slug":"calpak-solar-thermal-systems","status":"publish","type":"page","link":"https:\/\/www.climatism.gr\/en\/calpak-solar-thermal-systems\/","title":{"rendered":"CALPAK SOLAR THERMAL SYSTEMS"},"content":{"rendered":"<div class=\"wp-block-columns grid-container is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"318\" height=\"71\" src=\"https:\/\/www.climatism.gr\/wp-content\/uploads\/2021\/09\/climatism-calpak-logo-1.png\" alt=\"Calpak Logo\" class=\"wp-image-4854\" srcset=\"https:\/\/www.climatism.gr\/wp-content\/uploads\/2021\/09\/climatism-calpak-logo-1.png 318w, https:\/\/www.climatism.gr\/wp-content\/uploads\/2021\/09\/climatism-calpak-logo-1-300x67.png 300w\" sizes=\"auto, (max-width: 318px) 100vw, 318px\" \/><\/figure>\n<\/div>\n<p class=\"has-text-align-center\">The human resources of our company are the determining factor for the processing of solar installations and our customers\u2019 satisfaction. By providing all necessary information, we are at the disposal of consumers for every need. Climatism\u2019s central solar thermal systems are manufactured under the most stringent efficiency standards.<\/p>\n<h3 class=\"wp-block-heading has-text-align-center\">Solar Thermal Systems (Forced Flow Systems)<br \/>is the new application for the solar thermal energy of your house.<\/h3>\n<p class=\"has-text-align-center\">The three main parts of a solar thermal system are:<\/p>\n<ul class=\"wp-block-list list-center\">\n<li>solar collectors (flat or vacuum)<\/li>\n<li>the floor standing hot water storage tank<\/li>\n<li>a special device with the pump and the automatic central control system (solar station)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"wp-block-cover alignfull is-light has-parallax\" style=\"min-height:100vh;aspect-ratio:unset;\">\n<div class=\"wp-block-cover__image-background wp-image-4998 has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/www.climatism.gr\/wp-content\/uploads\/2021\/09\/climatism-hliaka-susthmata-calpak-parallax.jpg)\"><\/div>\n<p><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-40 has-background-dim\" style=\"background-color:#000000\"><\/span><\/p>\n<div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<h2 class=\"wp-block-heading alignwide has-white-color has-text-color\" style=\"font-size:48px;line-height:1.2\">THE MOST IMPORTANT BENEFITS OF THE SOLAR THERMAL SYSTEM ARE SUMMARIZED BELOW<\/h2>\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<ul class=\"wp-block-list\">\n<li>Higher efficiency due to better transfer of solar thermal energy from the collector to the boiler, thanks to the operation of the pump.<\/li>\n<li>Providing inexhaustible hot water 24 hours a day, thanks to the intelligent operation of the solar station control system and the boiler\u2019s high storage capacity.<\/li>\n<li>Discreet installation with good aesthetics that respects the architecture of your house, as the collectors \u201clie down\u201d on the tile roof or are placed at a low height on the roof while the tank is installed in the engine room.<\/li>\n<\/ul>\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\"><\/div>\n<\/div>\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<section class=\"panel section-offers offers bg-grey tables\" id=\"offers\" data-section-name=\"offers\">\n<div class=\"inner-section\">\n<div class=\"grid-container\">\n<div class=\"offers-list grid-x grid-padding-x small-up-1 medium-up-1 large-up-2\" id=\"calpak-solar-thermal-systems\">\n<div class=\"cell offers-item\">\n<div class=\"single-offer has-brand\">\n<div class=\"single-offer-brand\"><img decoding=\"async\" src=\"https:\/\/www.climatism.gr\/wp-content\/uploads\/2021\/09\/climatism-calpak-logo-2.png\" alt=\"CALPAK\"><\/div>\n<h4 class=\"offer-title\"><span class=\"buble\"><\/span>VTS Vacuum series specifications<\/h4>\n<div class=\"offer-content show-for-large\">Absorber technology: Hydroskeleton of copper U-pipe tubes with ultrasonic-welded copper fins with selective vacuum tubes and parabolic reflector (CPC).<br \/>\nGlass quality: borosilicate tempered glass vacuum tubes<br \/>\nCollector frame: black aluminum frame with PU insulation<br \/>\nTank quality: Boilers CL2-150: 2,5mm DKP steel, 62mm PU insulation, leather cover, Boilers CL2-200 &amp; CL2-300: 3mm DKP steel, 47mm PU insulation, leather cover, Boilers CL2-500: 3mm DKP steel, 62mm PU insulation, leather cover<br \/>\nAnti-rust protection: Direct enameling by Wendel, according to DIN 4753\/3<br \/>\nCentral control unit: RESOL Solarstation FlowSol \/ 6 with DeltaSol C4 control and WILO Eco 15\/6 pump<\/p>\n<h3>VTS Vacuum model specifications<\/h3>\n<p>Collector surface: 2.48m2 (vacuum type)<br \/>\nTank capacity: 150 liters<br \/>\nPerformance class: 1,5<br \/>\nQuality labels: Solar Keymark, CE, CSTB, SRCC<br \/>\nExchangers: 1st spiral exchanger (solar circuit): 0.5 m2, 2nd spiral exchanger (heating circuit): 0.8 m<sup>2<\/sup><\/div>\n<div class=\"offer-content hide-for-large\">\n<div class=\"offer-excerpt\" id=\"excerpt-4982\">Absorber technology: Hydroskeleton of copper U-pipe tubes with ultrasonic-welded copper fins with selective vacuum tubes and parabolic reflector (CPC). Glass quality: borosilicate tempered glass vacuum tubes Collector frame: black aluminum frame with PU insulation Tank quality: Boilers CL2-150: 2,5mm DKP steel, 62mm PU insulation, leather cover, Boilers CL2-200 &amp; CL2-300: 3mm DKP steel, 47mm PU&#8230;.<button class=\"white show-more href plus\" id=\"more-excerpt-4982\"><a href=\"#\" onclick=\"return false;\">Show More<\/a><\/button><\/div>\n<div class=\"offer-content\" id=\"content-4982\" style=\"display:none\">Absorber technology: Hydroskeleton of copper U-pipe tubes with ultrasonic-welded copper fins with selective vacuum tubes and parabolic reflector (CPC).<br \/>\nGlass quality: borosilicate tempered glass vacuum tubes<br \/>\nCollector frame: black aluminum frame with PU insulation<br \/>\nTank quality: Boilers CL2-150: 2,5mm DKP steel, 62mm PU insulation, leather cover, Boilers CL2-200 &amp; CL2-300: 3mm DKP steel, 47mm PU insulation, leather cover, Boilers CL2-500: 3mm DKP steel, 62mm PU insulation, leather cover<br \/>\nAnti-rust protection: Direct enameling by Wendel, according to DIN 4753\/3<br \/>\nCentral control unit: RESOL Solarstation FlowSol \/ 6 with DeltaSol C4 control and WILO Eco 15\/6 pump<\/p>\n<h3>VTS Vacuum model specifications<\/h3>\n<p>Collector surface: 2.48m2 (vacuum type)<br \/>\nTank capacity: 150 liters<br \/>\nPerformance class: 1,5<br \/>\nQuality labels: Solar Keymark, CE, CSTB, SRCC<br \/>\nExchangers: 1st spiral exchanger (solar circuit): 0.5 m2, 2nd spiral exchanger (heating circuit): 0.8 m<sup>2<\/sup><button class=\"white show-more href plus minus\" id=\"less-excerpt-4982\"><a href=\"#\" onclick=\"return false;\">Show Less<\/a><\/button><\/div>\n<p><script>\n        \t            $( document ).ready(function() {\n                            $(\"#more-excerpt-4982\").click(function() {\n                                $(\"#excerpt-4982\").hide();\n                                $(\"#content-4982\").show();\n                            });\n                            $(\"#less-excerpt-4982\").click(function() {\n                                $(\"#excerpt-4982\").show();\n                                $(\"#content-4982\").hide();\n                            });\n                        });\n        \t            <\/script><\/div>\n<div class=\"offer-thumbnail text-center\"><img loading=\"lazy\" decoding=\"async\" width=\"273\" height=\"176\" src=\"https:\/\/www.climatism.gr\/wp-content\/uploads\/2021\/09\/vts.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"VTS Vacuum series specifications\" \/><\/div>\n<\/div>\n<\/div>\n<div class=\"cell offers-item\">\n<div class=\"single-offer has-brand\">\n<div class=\"single-offer-brand\"><img decoding=\"async\" src=\"https:\/\/www.climatism.gr\/wp-content\/uploads\/2021\/09\/climatism-calpak-logo-2.png\" alt=\"CALPAK\"><\/div>\n<h4 class=\"offer-title\"><span class=\"buble\"><\/span>M4 Selective series specifications<\/h4>\n<div class=\"offer-content show-for-large\">Absorber Technology: 0.4mm High-selective, TINOX (e &lt;3.5%), multi-fin with ultrasonic welding, hydroskeleton of 11 \u03a68 copper tubes and HALCOR header<br \/>\nGlass quality: low-iron prism tempered glass<br \/>\nCollector frame: Anodized double-walled aluminum (pressed) with mineral wool insulation 40mm thick and a density of 50kg\/m3<br \/>\nTank quality: Boilers CL2-150: 2,5mm DKP steel, 62mm PU insulation, leather cover, Boilers CL2-200 &amp; CL2-300: 3mm DKP steel, 47mm PU insulation, leather cover, Boilers CL2-500: 3mm DKP steel 62mm PU insulation, leather cover<br \/>\nAnti-rust protection: Direct enameling by Wendel, according to DIN 4753\/3<br \/>\nCentral control unit: RESOL Solarstation FlowSol \/ 6 with DeltaSol C4 control and WILO Eco 15\/6 pump<\/p>\n<h3>M4 Selective model specifications<\/h3>\n<p>Collector surface: 2*2.04 sqm (selective type)<br \/>\nTank capacity: 200 liters<br \/>\nPerformance class: 1.0<br \/>\nQuality labels: Solar Keymark, CE, CSTB, SRCC<br \/>\nExchangers: 1st spiral exchanger (solar circuit): 0.8m2, 2nd spiral exchanger (heating circuit): 0.5m2<\/p><\/div>\n<div class=\"offer-content hide-for-large\">\n<div class=\"offer-excerpt\" id=\"excerpt-4986\">Absorber Technology: 0.4mm High-selective, TINOX (e &lt;3.5%), multi-fin with ultrasonic welding, hydroskeleton of 11 \u03a68 copper tubes and HALCOR header Glass quality: low-iron prism tempered glass Collector frame: Anodized double-walled aluminum (pressed) with mineral wool insulation 40mm thick and a density of 50kg\/m3 Tank quality: Boilers CL2-150: 2,5mm DKP steel, 62mm PU insulation, leather cover,&#8230;.<button class=\"white show-more href plus\" id=\"more-excerpt-4986\"><a href=\"#\" onclick=\"return false;\">Show More<\/a><\/button><\/div>\n<div class=\"offer-content\" id=\"content-4986\" style=\"display:none\">Absorber Technology: 0.4mm High-selective, TINOX (e &lt;3.5%), multi-fin with ultrasonic welding, hydroskeleton of 11 \u03a68 copper tubes and HALCOR header<br \/>\nGlass quality: low-iron prism tempered glass<br \/>\nCollector frame: Anodized double-walled aluminum (pressed) with mineral wool insulation 40mm thick and a density of 50kg\/m3<br \/>\nTank quality: Boilers CL2-150: 2,5mm DKP steel, 62mm PU insulation, leather cover, Boilers CL2-200 &amp; CL2-300: 3mm DKP steel, 47mm PU insulation, leather cover, Boilers CL2-500: 3mm DKP steel 62mm PU insulation, leather cover<br \/>\nAnti-rust protection: Direct enameling by Wendel, according to DIN 4753\/3<br \/>\nCentral control unit: RESOL Solarstation FlowSol \/ 6 with DeltaSol C4 control and WILO Eco 15\/6 pump<\/p>\n<h3>M4 Selective model specifications<\/h3>\n<p>Collector surface: 2*2.04 sqm (selective type)<br \/>\nTank capacity: 200 liters<br \/>\nPerformance class: 1.0<br \/>\nQuality labels: Solar Keymark, CE, CSTB, SRCC<br \/>\nExchangers: 1st spiral exchanger (solar circuit): 0.8m2, 2nd spiral exchanger (heating circuit): 0.5m2<button class=\"white show-more href plus minus\" id=\"less-excerpt-4986\"><a href=\"#\" onclick=\"return false;\">Show Less<\/a><\/button><\/div>\n<p><script>\n        \t            $( document ).ready(function() {\n                            $(\"#more-excerpt-4986\").click(function() {\n                                $(\"#excerpt-4986\").hide();\n                                $(\"#content-4986\").show();\n                            });\n                            $(\"#less-excerpt-4986\").click(function() {\n                                $(\"#excerpt-4986\").show();\n                                $(\"#content-4986\").hide();\n                            });\n                        });\n        \t            <\/script><\/div>\n<div class=\"offer-thumbnail text-center\"><img loading=\"lazy\" decoding=\"async\" width=\"273\" height=\"237\" src=\"https:\/\/www.climatism.gr\/wp-content\/uploads\/2021\/09\/m4.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"M4 Selective series specifications\" \/><\/div>\n<\/div>\n<\/div>\n<div class=\"cell offers-item\">\n<div class=\"single-offer has-brand\">\n<div class=\"single-offer-brand\"><img decoding=\"async\" src=\"https:\/\/www.climatism.gr\/wp-content\/uploads\/2021\/09\/climatism-calpak-logo-2.png\" alt=\"CALPAK\"><\/div>\n<h4 class=\"offer-title\"><span class=\"buble\"><\/span>VTN Vacuum series specifications for space heating<\/h4>\n<div class=\"offer-content show-for-large\">Absorber technology: Copper hydroskeleton of U-pipe tubes (\u03a69,5 copper tubes by HALCOR) with selective vacuum tubes and CPC parabolic reflector (ALANOD).<br \/>\nGlass quality: borosilicate tempered glass vacuum tubes<br \/>\nCollector frame: black aluminum frame with PU insulation<br \/>\nTank quality: 3mm DKP steel, 100mm PU insulation, leather cover<br \/>\nAnti-rust protection: Direct enameling by Wendel, according to DIN 4753\/3<br \/>\nCentral control unit: RESOL Solarstation FlowSol \/ 6 with DeltaSol ES control and WILO Eco 15\/6 pump<\/p>\n<h3>VTN Vacuum model specifications for space heating<\/h3>\n<p>Collector surface: 6*2,83 sqm (vacuum type)<br \/>\nTank capacity: 1000 liters &amp; 200 liters<br \/>\nPerformance class: 1.0<br \/>\nQuality labels: Solar Keymark, CE, CSTB, SRCC<br \/>\nExchangers: 1st spiral exchanger (solar circuit): 0.8 m2, 2nd spiral exchanger (heating circuit): 1.0 m2<\/p><\/div>\n<div class=\"offer-content hide-for-large\">\n<div class=\"offer-excerpt\" id=\"excerpt-4990\">Absorber technology: Copper hydroskeleton of U-pipe tubes (\u03a69,5 copper tubes by HALCOR) with selective vacuum tubes and CPC parabolic reflector (ALANOD). Glass quality: borosilicate tempered glass vacuum tubes Collector frame: black aluminum frame with PU insulation Tank quality: 3mm DKP steel, 100mm PU insulation, leather cover Anti-rust protection: Direct enameling by Wendel, according to DIN&#8230;.<button class=\"white show-more href plus\" id=\"more-excerpt-4990\"><a href=\"#\" onclick=\"return false;\">Show More<\/a><\/button><\/div>\n<div class=\"offer-content\" id=\"content-4990\" style=\"display:none\">Absorber technology: Copper hydroskeleton of U-pipe tubes (\u03a69,5 copper tubes by HALCOR) with selective vacuum tubes and CPC parabolic reflector (ALANOD).<br \/>\nGlass quality: borosilicate tempered glass vacuum tubes<br \/>\nCollector frame: black aluminum frame with PU insulation<br \/>\nTank quality: 3mm DKP steel, 100mm PU insulation, leather cover<br \/>\nAnti-rust protection: Direct enameling by Wendel, according to DIN 4753\/3<br \/>\nCentral control unit: RESOL Solarstation FlowSol \/ 6 with DeltaSol ES control and WILO Eco 15\/6 pump<\/p>\n<h3>VTN Vacuum model specifications for space heating<\/h3>\n<p>Collector surface: 6*2,83 sqm (vacuum type)<br \/>\nTank capacity: 1000 liters &amp; 200 liters<br \/>\nPerformance class: 1.0<br \/>\nQuality labels: Solar Keymark, CE, CSTB, SRCC<br \/>\nExchangers: 1st spiral exchanger (solar circuit): 0.8 m2, 2nd spiral exchanger (heating circuit): 1.0 m2<button class=\"white show-more href plus minus\" id=\"less-excerpt-4990\"><a href=\"#\" onclick=\"return false;\">Show Less<\/a><\/button><\/div>\n<p><script>\n        \t            $( document ).ready(function() {\n                            $(\"#more-excerpt-4990\").click(function() {\n                                $(\"#excerpt-4990\").hide();\n                                $(\"#content-4990\").show();\n                            });\n                            $(\"#less-excerpt-4990\").click(function() {\n                                $(\"#excerpt-4990\").show();\n                                $(\"#content-4990\").hide();\n                            });\n                        });\n        \t            <\/script><\/div>\n<div class=\"offer-thumbnail text-center\"><img loading=\"lazy\" decoding=\"async\" width=\"218\" height=\"154\" src=\"https:\/\/www.climatism.gr\/wp-content\/uploads\/2021\/09\/vtn.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"VTN Vacuum series specifications for space heating\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"Calpak\u2019s Solar Thermal Systems have been selected by Climatism to provide every home with advanced systems that use the precious rays of the sun.","protected":false},"author":1,"featured_media":4994,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/page-full-width.php","meta":{"footnotes":""},"page_category":[],"class_list":["post-3861","page","type-page","status-publish","format-standard","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Calpak Solar Systems - Climatism<\/title>\n<meta name=\"description\" content=\"Climatism selects Calpak solar systems, like VTS Vacuum, M4 Selective and VTN Vacuum, to bring every home hot water powered by the sun.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.climatism.gr\/en\/calpak-solar-thermal-systems\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calpak Solar Systems - Climatism\" \/>\n<meta property=\"og:description\" content=\"Climatism selects Calpak solar systems, like VTS Vacuum, M4 Selective and VTN Vacuum, to bring every home hot water powered by the sun.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.climatism.gr\/en\/calpak-solar-thermal-systems\/\" \/>\n<meta property=\"og:site_name\" content=\"Climatism\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-10T13:58:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.climatism.gr\/wp-content\/uploads\/2021\/09\/climatism-hliaka-susthmata-calpak.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.climatism.gr\/en\/calpak-solar-thermal-systems\/\",\"url\":\"https:\/\/www.climatism.gr\/en\/calpak-solar-thermal-systems\/\",\"name\":\"Calpak Solar Systems - 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