{"id":10225,"date":"2026-07-08T17:44:21","date_gmt":"2026-07-08T15:44:21","guid":{"rendered":"https:\/\/smartfabrik.de\/energy-efficiency\/"},"modified":"2026-08-23T10:12:31","modified_gmt":"2026-08-23T08:12:31","slug":"energy-efficiency","status":"publish","type":"page","link":"https:\/\/smartfabrik.de\/en\/for-private-clients\/energy-efficiency\/","title":{"rendered":"Smart Home Energy: PV, Storage, Wallbox | smartfabrik"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"10225\" class=\"elementor elementor-10225 elementor-9881\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-sfsec0001 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"sfsec0001\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-sfcol0001\" data-id=\"sfcol0001\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-sfwid0001 elementor-widget elementor-widget-html\" data-id=\"sfwid0001\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>.elementor-widget-html{font-family:'Lato','Segoe UI',system-ui,-apple-system,Arial,sans-serif}.elementor-widget-html *{font-family:inherit}<\/style><style>\r\n:root{--cyan:#00CCFF;--cyan-ink:#007FA3;--ink:#0C0E10;--text:#343434;--muted:#71787E;--line:#E3E8EC;--ground:#F4F7F9;--paper:#fff;--champ:#C9A96A}\r\n\/*ARABISCH*\/\r\n\/* Noto Sans Arabic, selbst gehostet, variabel. 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Bewusst kein Kasten \u2014 die Seite arbeitet\r\n   sonst mit Haarlinien, und K\u00e4sten hat Sebastian mehrfach abgelehnt. *\/\r\n.sp .zeit{background:var(--ground);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:76px 0}\r\n.sp .zgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:38px;position:relative}\r\n.sp .zgrid::before{content:\"\";position:absolute;inset-inline-start:5px;inset-inline-end:5px;top:5px;height:1px;background:var(--line)}\r\n.sp .zcell{position:relative;padding:28px 24px 0 0}\r\n.sp .zcell::before{content:\"\";position:absolute;inset-inline-start:0;top:0;width:11px;height:11px;border-radius:50%;\r\n  background:var(--ground);border:2px solid var(--cyan);box-sizing:border-box}\r\n.sp .zph{display:block;font-weight:800;font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;\r\n  color:var(--cyan-ink);margin-bottom:10px}\r\n.sp .zcell p{font-size:14.5px;line-height:1.68;color:var(--text);margin:0}\r\n@media(max-width:1000px){.sp .zgrid{grid-template-columns:repeat(2,1fr);gap:26px 0}}\r\n@media(max-width:600px){\r\n  .sp .zgrid{grid-template-columns:1fr;gap:0}\r\n  .sp .zgrid::before{inset-inline-start:5px;inset-inline-end:auto;top:5px;bottom:5px;width:1px;height:auto}\r\n  .sp .zcell{padding:0 0 28px 30px}\r\n  .sp .zcell::before{top:3px}\r\n}\r\n.sp .wlinks{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--paper);border:1px solid rgba(12,14,16,.1);border-radius:6px;overflow:hidden;margin-top:34px;box-shadow:0 1px 0 rgba(12,14,16,.05),0 26px 52px -38px rgba(12,14,16,.28)}\r\n@media(max-width:900px){.sp .wlinks{grid-template-columns:1fr 1fr}}\r\n@media(max-width:560px){.sp .wlinks{grid-template-columns:1fr}}\r\n.sp .wlinks a{padding:18px 22px;border-inline-start:1px solid var(--line);border-top:1px solid var(--line);font-weight:800;font-size:14px;color:var(--ink);text-decoration:none;display:flex;align-items:center;justify-content:space-between;gap:10px;transition:background .25s,color .25s}\r\n.sp .wlinks a:hover{background:#F4FBFE;color:var(--cyan-ink)}\r\n.sp .wlinks a .ar{color:var(--cyan-ink)}\r\n<\/style><header class=\"blpnav\" data-sf-lang=\"en\"><div class=\"nwrap\"><a href=\"\/en\/\" class=\"blogo\" aria-label=\"smartfabrik\"><\/a><input type=\"checkbox\" id=\"sfnav\" class=\"sfnav-cb\" aria-label=\"Open menu\"><label for=\"sfnav\" class=\"sfnav-burger\" aria-hidden=\"true\"><span><\/span><\/label><ul class=\"bmenu\"><li><a href=\"\/en\/services\/\">Services<\/a><\/li><li><a href=\"\/en\/knx-service\/\">KNX service<\/a><\/li><li><a href=\"\/en\/projects\/\">Projects<\/a><\/li><li><a href=\"\/en\/partners\/\">Partners<\/a><\/li><li><a href=\"\/en\/team\/\">Team<\/a><\/li><li><a href=\"\/en\/contact\/\">Contact<\/a><\/li><\/ul><div class=\"sflang\"><a href=\"\/energie-effizienz-vorschau\/\" lang=\"de\">DE<\/a><span class=\"on\">EN<\/span><a href=\"\/ar\/\u0627\u0644\u0637\u0627\u0642\u0629-\u0648\u0627\u0644\u0643\u0641\u0627\u0621\u0629\/\" lang=\"ar\">AR<\/a><\/div><a class=\"bnav-cta\" href=\"\/en\/contact\/\">Talk to us <span class=\"ar\">&rarr;<\/span><\/a><\/div><\/header><div class=\"sp\" data-sf-lang=\"en\">\r\n<section class=\"hero\"><div class=\"hbg\"><\/div><div class=\"hveil\"><\/div><div class=\"wrap\">\r\n  <span class=\"eyebrow\">Way of living<\/span>\r\n  <h1>Your own electricity \u2014 <span>from the roof to the wallbox.<\/span><\/h1>\r\n  <p>Generation, storage and consumption belong in one system. We plan photovoltaics, storage, heat pump and charging point so that your solar electricity arrives where it does the most good \u2014 made visible in a single interface.<\/p>\r\n  <div class=\"hcta\"><a class=\"btn\" href=\"\/en\/contact\/\">Request a consultation <span class=\"ar\">&rarr;<\/span><\/a><a class=\"btn ghost\" href=\"\/en\/projects\/\">View projects<\/a><\/div>\r\n  <div class=\"hstats\"><div class=\"hstat\"><strong>~645<\/strong><span>modules in one project<\/span><\/div><div class=\"hstat\"><strong>1.5\u20132.5 MW<\/strong><span>storage in commercial projects<\/span><\/div><div class=\"hstat\"><strong>One system<\/strong><span>Instead of four isolated apps<\/span><\/div><div class=\"hstat\"><strong>KNX<\/strong><span>Manufacturer-independent<\/span><\/div><\/div>\r\n<\/div><\/section>\r\n\r\n<section class=\"pos\"><div class=\"wrap\">\r\n  <div class=\"sec-h\"><span class=\"eyebrow\">Our approach<\/span><h2>Efficiency comes from the interplay, not from a single device.<\/h2><\/div>\r\n  <div class=\"pgrid\"><div class=\"pcard reveal\"><h3>Surplus that arrives<\/h3><p>Solar electricity is distributed according to your priorities: storage first, then hot water, then the wallbox or the heat pump. The energy management decides, instead of letting four device apps work against each other.<\/p><\/div><div class=\"pcard reveal\"><h3>Visible instead of assumed<\/h3><p>Generation, storage level, consumption and charge state come together in one visualisation. You see what your house is doing \u2014 and during fine-tuning we spot immediately where something is out of step.<\/p><\/div><div class=\"pcard reveal\"><h3>Designed on a manufacturer-independent basis<\/h3><p>We select modules, inverter, storage and wallbox according to your load profile, not to a product range. They are connected over open interfaces, so that individual components stay replaceable.<\/p><\/div><\/div>\r\n<\/div><\/section>\r\n\r\n<section class=\"gew\"><div class=\"wrap\">\r\n  <div class=\"sec-h\"><span class=\"eyebrow\">In detail<\/span><h2>What defines this living theme.<\/h2><p>From the roof through the storage to the charging point \u2014 four areas that only take effect once they are planned together.<\/p><\/div>\r\n  <div class=\"gwgrid\"><div class=\"gwcell reveal\"><span class=\"gwnum\">01<\/span><h3>Photovoltaics designed into the architecture<\/h3><p>Roof layout, shading analysis and string design are developed together with the architect and the roofer: module fields that suit the roof surface, cable routes without detours and a design sized to your actual consumption rather than to the maximum area.<\/p><\/div><div class=\"gwcell reveal\"><span class=\"gwnum\">02<\/span><h3>Storage &amp; self-sufficiency<\/h3><p>The battery storage is sized to your load profile \u2014 large enough for the evening, not oversized for the brochure. Where you want it, we plan backup power capability so that the important circuits keep running in a power cut.<\/p><\/div><div class=\"gwcell reveal\"><span class=\"gwnum\">03<\/span><h3>Energy management at KNX level<\/h3><p>Instead of a manufacturer's app: inverter, storage, heat pump and meters are integrated over open interfaces and run on shared logic \u2014 with priorities that you set, and reporting that shows whether it works.<\/p><\/div><div class=\"gwcell reveal\"><span class=\"gwnum\">04<\/span><h3>E-mobility &amp; load management<\/h3><p>The wallbox charges on surplus by preference and backs off when the heat pump or the household takes priority. With several charging points, load management shares out the available power \u2014 the house connection sets the limit, it does not become the bottleneck.<\/p><\/div><\/div>\r\n<\/div><\/section>\r\n\r\n<section class=\"zeit\"><div class=\"wrap\">\r\n  <div class=\"sec-h\"><span class=\"eyebrow\">Timing<\/span><h2>When you decide what.<\/h2><p>The yield of an installation is not created when the modules are bought. It is created at these five points.<\/p><\/div>\r\n  <div class=\"zgrid\"><div class=\"zcell reveal\"><span class=\"zph\">01 \u00b7 Design<\/span><p>Roof area, orientation and shading determine the yield long before a module price matters. Along with the question of what else the house should take on in ten years.<\/p><\/div><div class=\"zcell reveal\"><span class=\"zph\">02 \u00b7 Shell stage<\/span><p>Meter position, distribution board area and the route from the roof into the technical room. A distribution board grows with the system \u2014 which is why it needs more space from the start than is needed today.<\/p><\/div><div class=\"zcell reveal\"><span class=\"zph\">03 \u00b7 Before the paving<\/span><p>The cable to the wallbox is laid before the driveway is closed. Even when the car only arrives in three years \u2014 the trench is open exactly once.<\/p><\/div><div class=\"zcell reveal\"><span class=\"zph\">04 \u00b7 Commissioning<\/span><p>Photovoltaics, storage, heat pump and wallbox are tuned to one another instead of running side by side. Only in the interplay does the self-consumption arise that the calculation assumed.<\/p><\/div><div class=\"zcell reveal\"><span class=\"zph\">05 \u00b7 Operation<\/span><p>Generation, consumption per circuit and self-consumption rate are measured rather than estimated. What you can see, you can change \u2014 and what changes, you see at once.<\/p><\/div><\/div>\r\n<\/div><\/section>\r\n\r\n<section class=\"proof\"><div class=\"wrap\">\r\n  <span class=\"eyebrow\">Proven<\/span>\r\n  <h2>Energy at every scale.<\/h2>\r\n  <div class=\"prgrid\">\r\n    <div>\r\n      <div class=\"pritem reveal\"><span class=\"prnum\">01<\/span><div><h3>SIDOL Lofts, K\u00f6ln-Braunsfeld<\/h3><p>Photovoltaics with a tenant electricity scheme in the PARK LINN\u00c9 quarter: around 645 modules in 23 strings, delivered through our sister company elektrofabrik.<\/p><\/div><\/div><div class=\"pritem reveal\"><span class=\"prnum\">02<\/span><div><h3>Large-scale storage with Power-Q<\/h3><p>Ten battery storage projects with 1.5 to 2.5 MW connected load on the medium-voltage grid \u2014 from sizing through to delivery.<\/p><\/div><\/div><div class=\"pritem reveal\"><span class=\"prnum\">03<\/span><div><h3>Metering concepts in mid-sized industry<\/h3><p>At Polaroid Film GmbH we delivered complete flow measurement with MID sensors and integrated it into KNX \u2014 consumption made visible instead of estimated.<\/p><\/div><\/div>\r\n      <a class=\"prref\" href=\"\/en\/projects\/\">View all projects <span class=\"ar\">&rarr;<\/span><\/a>\r\n    <\/div>\r\n    <div class=\"prmedia reveal\">\r\n      <figure class=\"tall\" style=\"background-image:url(\/wp-content\/uploads\/sf\/b3ec7073b5.jpg)\"><\/figure>\r\n      <figure style=\"background-image:url(\/wp-content\/uploads\/sf\/ab01aca71f.jpg)\"><\/figure>\r\n      <figure style=\"background-image:url(\/wp-content\/uploads\/sf\/bd1690eb56.jpg)\"><\/figure>\r\n    <\/div>\r\n  <\/div>\r\n<\/div><\/section>\r\n\r\n<section class=\"del\"><div class=\"wrap\">\r\n  <div class=\"sec-h\"><span class=\"eyebrow\">What lies behind it<\/span><h2>The services behind this living theme.<\/h2><p>Each planned on its own, at their strongest in combination.<\/p><\/div>\r\n  <div class=\"wlinks\"><a href=\"\/en\/photovoltaics-energy-systems\/\"><span>Photovoltaics &amp; energy systems<\/span><span class=\"ar\">&rarr;<\/span><\/a><a href=\"\/en\/wallbox-e-mobility\/\"><span>Wallbox &amp; e-mobility<\/span><span class=\"ar\">&rarr;<\/span><\/a><a href=\"\/en\/heating-indoor-climate\/\"><span>Heating &amp; indoor climate<\/span><span class=\"ar\">&rarr;<\/span><\/a><a href=\"\/en\/control-cabinet-construction\/\"><span>Control cabinet construction<\/span><span class=\"ar\">&rarr;<\/span><\/a><a href=\"\/en\/smart-home-electrical-planning\/\"><span>Electrical design<\/span><span class=\"ar\">&rarr;<\/span><\/a><a href=\"\/en\/for-developers\/\"><span>For developers &amp; commercial<\/span><span class=\"ar\">&rarr;<\/span><\/a><\/div>\r\n<\/div><\/section>\r\n\r\n<style>.sp .nachbarn{background:var(--paper);border-top:1px solid var(--line);padding:62px 0}.sp .nbgrid{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:26px;border-top:1px solid var(--line)}@media(max-width:760px){.sp .nbgrid{grid-template-columns:1fr}}.sp .nbgrid a{display:block;padding:26px 30px 26px 0;border-bottom:1px solid var(--line);text-decoration:none}.sp .nbgrid a+a{border-inline-start:1px solid var(--line);padding-inline-start:30px}@media(max-width:760px){.sp .nbgrid a+a{border-inline-start:0;padding-inline-start:0}}.sp .nbgrid strong{display:block;font-weight:900;font-size:19px;color:var(--ink);letter-spacing:-.01em}.sp .nbgrid span{display:block;margin-top:8px;font-size:14.5px;line-height:1.6;color:var(--muted)}.sp .nbgrid a:hover strong{color:var(--cyan-ink)}.sp .nbgrid strong .ar{display:inline-block;margin-inline-start:7px;transform:none}<\/style><section class=\"nachbarn\"><div class=\"wrap\"><div class=\"sec-h\"><span class=\"eyebrow\">Three perspectives<\/span><h2>The same house, two further perspectives.<\/h2><p>Most projects need all three \u2014 we plan them on one system so that they do not get in one another's way.<\/p><\/div><div class=\"nbgrid\"><a href=\"\/en\/comfort-luxury\/\"><strong>Comfort & luxury <span class=\"ar\">&rarr;<\/span><\/strong><span>Lighting, sound, climate and leisure spaces on one control system<\/span><\/a><a href=\"\/en\/security-connectivity\/\"><strong>Security & connectivity <span class=\"ar\">&rarr;<\/span><\/strong><span>Network, access control, video and alarm in one interface<\/span><\/a><\/div><\/div><\/section>\r\n<section class=\"orte\"><div class=\"wrap\">\r\n  <div class=\"sec-h\"><span class=\"eyebrow\">Where we work<\/span><h2>Energy &amp; efficiency in Cologne, D\u00fcsseldorf &amp; NRW.<\/h2>\r\n  <p>smartfabrik is a smart home planning practice based in D\u00fcsseldorf (Reisholzer Werftstr. 31A). We plan for private clients and companies in Cologne, D\u00fcsseldorf and across North Rhine-Westphalia \u2014 and, where wanted, nationwide and internationally. A selection of the places we have already planned and delivered in:<\/p><\/div>\r\n  <div class=\"ochips\"><a href=\"\/en\/smart-home-cologne\/\">Cologne-Marienburg<\/a><a href=\"\/en\/smart-home-cologne\/\">Cologne-Rodenkirchen<\/a><a href=\"\/en\/smart-home-cologne\/\">Cologne-S\u00fcrth<\/a><a href=\"\/en\/smart-home-cologne\/\">Cologne-Lindenthal<\/a><a href=\"\/en\/smart-home-cologne\/\">Cologne-Braunsfeld<\/a><a href=\"\/en\/smart-home-duesseldorf\/\">D\u00fcsseldorf-Oberkassel<\/a><a href=\"\/en\/projects\/\">Neuss<\/a><a href=\"\/en\/projects\/\">Kaarst<\/a><a href=\"\/en\/projects\/\">Moers<\/a><a href=\"\/en\/projects\/\">Essen<\/a><a href=\"\/en\/projects\/\">Solingen<\/a><a href=\"\/en\/smart-home-cologne\/\">Br\u00fchl<\/a><a href=\"\/en\/projects\/\">Aachen<\/a><a href=\"\/en\/projects\/\">Berlin<\/a><a href=\"\/en\/projects\/\">Hamburg<\/a><a href=\"\/en\/projects\/\">Mainz<\/a><a href=\"\/en\/projects\/\">Mallorca<\/a><a href=\"\/en\/projects\/\">Riyadh<\/a><\/div>\r\n<\/div><\/section>\r\n<section class=\"faq\"><div class=\"wrap\"><div class=\"sec-h\"><span class=\"eyebrow\">FAQ<\/span><h2>Clearly answered.<\/h2><\/div><details><summary>Is generating your own electricity worthwhile in a high-end new build?<\/summary><p>As a rule yes \u2014 above all because a premium new build brings together loads that suit your own generation anyway: heat pump, ventilation, pool, charging point. What decides it is not the size of the system but how much of your electricity actually stays in the house. That is exactly what we size the system for.<\/p><\/details><details><summary>Can photovoltaics be integrated into a full refurbishment as well?<\/summary><p>Yes. In an existing building we check the roof build-up, the structure, the existing meter positions and cable routes, and from that plan a realistic solution \u2014 often together with extending the distribution board, because both are due anyway.<\/p><\/details><details><summary>How does KNX energy management differ from the device manufacturers' apps?<\/summary><p>Manufacturer apps know only their own device. KNX-based energy management sees generation, storage, heat pump, wallbox and household consumption together and decides according to your priorities. And it stays manufacturer-independent: replace the inverter in eight years and the logic remains.<\/p><\/details><details><summary>Can you also plan tenant electricity for apartment buildings?<\/summary><p>Yes, that is one of our B2B focal points \u2014 from the meter and metering structure through to technical delivery. At the SIDOL Lofts in Cologne we delivered such a scheme with around 645 modules.<\/p><\/details><\/div><\/section>\r\n<section class=\"cta\"><div class=\"wrap\"><span class=\"eyebrow\">The first step<\/span><h2>Let us work through your energy concept.<\/h2><p>From the roof layout to load management \u2014 planned as one system, not as four separate installations.<\/p><style>\/*LPF*\/\r\n.sp .cta .lpf{max-width:560px;margin:34px auto 0;text-align:start}\r\n.sp .cta .lpf .lpfrow{display:grid;grid-template-columns:1fr 1fr;gap:22px}\r\n@media(max-width:560px){.sp .cta .lpf .lpfrow{grid-template-columns:1fr;gap:18px}}\r\n.sp .cta .lpf .lpffields{display:grid;gap:22px}\r\n.sp .cta .lpf label{display:block;font-size:10.5px;font-weight:800;letter-spacing:.14em;\r\n  text-transform:uppercase;color:rgba(255,255,255,.72)}\r\n.sp .cta .lpf label .opt{font-weight:700;letter-spacing:.06em;text-transform:none;color:rgba(255,255,255,.45)}\r\n.sp .cta .lpf input,.sp .cta .lpf textarea{\r\n  width:100%;margin-top:9px;font:inherit;font-size:16px;line-height:1.5;color:#fff;\r\n  background:transparent;border:0;border-bottom:1.5px solid rgba(255,255,255,.26);\r\n  border-radius:0;padding:9px 0 10px;transition:border-color .22s,box-shadow .22s}\r\n.sp .cta .lpf input::placeholder,.sp .cta .lpf textarea::placeholder{color:rgba(255,255,255,.38)}\r\n.sp .cta .lpf input:hover,.sp .cta .lpf textarea:hover{border-bottom-color:var(--champ)}\r\n.sp .cta .lpf input:focus,.sp .cta .lpf textarea:focus{outline:none;border-bottom-color:var(--cyan);\r\n  box-shadow:0 1px 0 0 var(--cyan)}\r\n.sp .cta .lpf textarea{min-height:92px;resize:vertical}\r\n\/* Honigtopf: f\u00fcr Menschen unsichtbar, f\u00fcr Formularroboter verlockend. *\/\r\n.sp .cta .lpf .lpfhp{position:absolute;inset-inline-start:-9999px;width:1px;height:1px;overflow:hidden}\r\n.sp .cta .lpf .lpfsend{margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);\r\n  text-align:center}\r\n.sp .cta .lpf .btn{border:0;cursor:pointer;font:inherit;font-weight:800;font-size:15px;margin-top:0}\r\n.sp .cta .lpf .btn:disabled{opacity:.55;cursor:default;transform:none;box-shadow:none}\r\n.sp .cta .lpf .lpfnote{margin:16px 0 0;font-size:12px;line-height:1.6;color:rgba(255,255,255,.5)}\r\n.sp .cta .lpf .lpfnote a{color:var(--champ)}\r\n.sp .cta .lpf .lpfruf{margin:14px 0 0;font-size:13.5px;color:rgba(255,255,255,.62)}\r\n.sp .cta .lpf .lpfruf a{color:#fff;font-weight:800;text-decoration:underline;text-underline-offset:2px}\r\n.sp .cta .lpf .lpfnoscript{margin:16px 0 0;padding-inline-start:16px;\r\n  border-inline-start:2px solid var(--champ);font-size:14px;color:rgba(255,255,255,.8);text-align:start}\r\n.sp .cta .lpf .lpfmsg{margin:0;font-size:14px;font-weight:700;min-height:1px;color:#fff}\r\n.sp .cta .lpf .lpfmsg.err{margin-top:16px;color:#FFB4B9}\r\n.sp .cta .lpf .lpfmsg.ok{margin-top:20px;padding-inline-start:18px;border-inline-start:2px solid var(--champ);\r\n  font-size:17px;font-weight:800;line-height:1.6;text-align:start}\r\n\n.sflang{display:flex;align-items:center;gap:9px;flex:none;font-size:12px;font-weight:800;letter-spacing:.09em;font-family:'Lato',system-ui,sans-serif}\n.sflang a{color:#8A949B;text-decoration:none}\n.sflang a:hover{color:#007FA3}\n.sflang .on{color:currentColor;opacity:.95}\n@media(max-width:560px){.sflang{gap:6px;font-size:11px;letter-spacing:.06em;margin-inline-start:0;padding-inline-start:10px}}\n<\/style>\r\n<form class=\"lpf\" id=\"lpf-energie-effizienz-vorschau\" novalidate>\r\n  <div class=\"lpffields\">\r\n    <div class=\"lpfrow\">\r\n      <label>Name<input type=\"text\" name=\"name\" autocomplete=\"name\" required><\/label>\r\n      <label>Email<input type=\"email\" name=\"mail\" autocomplete=\"email\" required><\/label>\r\n    <\/div>\r\n    <div class=\"lpfrow\">\r\n      <label>Phone <span class=\"opt\">(optional)<\/span><input type=\"tel\" name=\"tel\" autocomplete=\"tel\"><\/label>\r\n      <label>Location <span class=\"opt\">(optional)<\/span><input type=\"text\" name=\"ort\" placeholder=\"Cologne, D\u00fcsseldorf \u2026\"><\/label>\r\n    <\/div>\r\n    <label>What can we help with? <span class=\"opt\">(optional)<\/span><textarea name=\"msg\" placeholder=\"New build, refurbishment, timeframe \u2014 a few sentences are enough.\"><\/textarea><\/label>\r\n  <\/div>\r\n  <label class=\"lpfhp\">Website<input type=\"text\" name=\"website\" tabindex=\"-1\" autocomplete=\"off\"><\/label>\r\n  <div class=\"lpfsend\">\r\n    <button type=\"submit\" class=\"btn\">Send enquiry <span class=\"ar\">&rarr;<\/span><\/button>\r\n    <p class=\"lpfnote\">We use your details solely to deal with this enquiry. More in our <a href=\"\/en\/privacy-policy\/\">privacy notice<\/a>.<\/p>\r\n    <p class=\"lpfruf\">Prefer to call? <a href=\"tel:+4921183866870\">+49 211 838 66 870<\/a><\/p>\r\n    <noscript><p class=\"lpfnoscript\">JavaScript is required to send. Call us instead: <a href=\"tel:+4921183866870\">+49 211 838 66 870<\/a> or write to <a href=\"mailto:info@smartfabrik.de\">info@smartfabrik.de<\/a>.<\/p><\/noscript>\r\n    <p class=\"lpfmsg\" role=\"status\"\r\n       data-msg-pflicht=\"Please enter your name and email address.\"\r\n       data-msg-sendet=\"Sending \u2026\"\r\n       data-msg-danke=\"Thank you \u2014 we usually reply the same working day.\"\r\n       data-msg-fehler=\"That did not work. Please give us a quick call: +49 211 838 66 870.\"><\/p>\r\n  <\/div>\r\n<\/form>\r\n<script>(function(){\r\n  var f=document.getElementById(\"lpf-energie-effizienz-vorschau\"); if(!f) return;\r\n  var s=f.querySelector('.lpfmsg'); var btn=f.querySelector('.btn');\r\n  function m(k){return (s&&s.getAttribute('data-msg-'+k))||''}\r\n  function v(n){var e=f.querySelector('[name='+n+']');return e?e.value.trim():''}\r\n  f.addEventListener('submit',function(ev){\r\n    ev.preventDefault();\r\n    if(!v('name')||!v('mail')){s.textContent=m('pflicht');s.className='lpfmsg err';return}\r\n    btn.disabled=true; s.textContent=m('sendet'); s.className='lpfmsg';\r\n    var msg=(v('ort')?'Ort: '+v('ort')+'\\n\\n':'')+v('msg');\r\n    var attr={}; try{ if(window.sfTrack) attr=window.sfTrack.attr() }catch(e){}\r\n    fetch('\/wp-json\/sf\/v1\/contact',{method:'POST',headers:{'Content-Type':'application\/json'},\r\n      body:JSON.stringify({name:v('name'),tel:v('tel'),mail:v('mail'),art:'',msg:msg,\r\n        quelle:\"energie-effizienz-vorschau\",page:location.pathname,website:v('website'),\r\n        sf_attr:JSON.stringify(attr)})})\r\n    .then(function(r){return r.json()}).then(function(j){\r\n      if(j&&j.ok){ btn.style.display='none';\r\n        s.textContent=m('danke'); s.className='lpfmsg ok';\r\n        try{ if(window.sfLead){ window.sfLead({form_id:\"energie-effizienz-vorschau\",lead_type:'leistung',email:v('mail'),phone:v('tel')}) } else { (window.dataLayer=window.dataLayer||[]).push({event:'sf_lead',form_id:\"energie-effizienz-vorschau\",lead_type:'leistung'}) } }catch(e){}\r\n      } else { btn.disabled=false; s.textContent=m('fehler'); s.className='lpfmsg err' }\r\n    }).catch(function(){ btn.disabled=false; s.textContent=m('fehler'); s.className='lpfmsg err' });\r\n  });\r\n})();<\/script><\/div><\/section>\r\n<\/div><footer class=\"blpfoot\" data-sf-lang=\"en\"><div class=\"wrap\"><div class=\"ftop\"><div class=\"fbrand\"><a href=\"\/en\/\" class=\"blogo\" aria-label=\"smartfabrik\"><\/a><p>Manufacturer-independent smart home &amp; KNX planning. Carried out by elektrofabrik. Cologne \u00b7 D\u00fcsseldorf \u00b7 NRW.<\/p><\/div><nav class=\"fcol\"><span class=\"fh\">Services<\/span><a href=\"\/en\/services\/\">All services<\/a><a href=\"\/en\/for-private-clients\/\">For private clients<\/a><a href=\"\/en\/for-developers\/\">For developers &amp; commercial<\/a><a href=\"\/en\/basalte\/\">Basalte<\/a><a href=\"\/en\/network-security-systems\/\">Network &amp; security<\/a><a href=\"\/en\/knx-service\/\">KNX service<\/a><\/nav><nav class=\"fcol\"><span class=\"fh\">Company<\/span><a href=\"\/en\/projects\/\">Projects<\/a><a href=\"\/en\/partners\/\">Partners<\/a><a href=\"\/en\/team\/\">Team<\/a><a href=\"\/en\/smartnews\/\">smartnews<\/a><\/nav><nav class=\"fcol\"><span class=\"fh\">Contact<\/span><a href=\"tel:+4921183866870\">+49 211 838 66 870<\/a><a href=\"mailto:info@smartfabrik.de\">info@smartfabrik.de<\/a><a href=\"\/en\/contact\/\">Contact form<\/a><span class=\"fregion\">Cologne \u00b7 D\u00fcsseldorf \u00b7 North Rhine-Westphalia<\/span><\/nav><\/div><div class=\"fregionen\"><span>Locally:<\/span><a href=\"\/en\/smart-home-cologne\/\">Smart Home Cologne<\/a><a href=\"\/en\/smart-home-duesseldorf\/\">Smart Home D\u00fcsseldorf<\/a><\/div><div class=\"fbot\"><span>\u00a9 smartfabrik \u00b7 Cologne \u00b7 D\u00fcsseldorf \u00b7 NRW<\/span><nav><a href=\"\/en\/imprint\/\">Legal notice<\/a><a href=\"\/en\/privacy-policy\/\">Privacy<\/a><\/nav><\/div><\/div><\/footer><script>(function(){var io=new IntersectionObserver(function(es){es.forEach(function(e){if(e.isIntersecting){e.target.classList.add('in');io.unobserve(e.target)}})},{threshold:.08});document.querySelectorAll('.sp .reveal').forEach(function(el){io.observe(el)});})();<\/script>\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Service\",\"name\":\"Smart Home Energy: PV, Storage, Wallbox\",\"provider\":{\"@type\":\"ProfessionalService\",\"name\":\"smartfabrik GmbH\",\"telephone\":\"+49 211 838 66 870\",\"email\":\"info@smartfabrik.de\",\"address\":{\"@type\":\"PostalAddress\",\"streetAddress\":\"Reisholzer Werftstr. 31A\",\"postalCode\":\"40589\",\"addressLocality\":\"D\u00fcsseldorf\",\"addressCountry\":\"DE\"},\"areaServed\":[\"K\u00f6ln\",\"D\u00fcsseldorf\",\"Nordrhein-Westfalen\"]},\"description\":\"Photovoltaics, storage, heat pump and wallbox working together instead of side by side \u2014 planned and tuned to one another in Cologne, D\u00fcsseldorf and NRW.\",\"inLanguage\":\"en\"},{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is generating your own electricity worthwhile in a high-end new build?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"As a rule yes \u2014 above all because a premium new build brings together loads that suit your own generation anyway: heat pump, ventilation, pool, charging point. 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And it stays manufacturer-independent: replace the inverter in eight years and the logic remains.\"}},{\"@type\":\"Question\",\"name\":\"Can you also plan tenant electricity for apartment buildings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, that is one of our B2B focal points \u2014 from the meter and metering structure through to technical delivery. At the SIDOL Lofts in Cologne we delivered such a scheme with around 645 modules.\"}}],\"inLanguage\":\"en\"}]}<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Leistungen KNX-Service Referenzen Partner Team Kontakt DEENARBeratung &rarr; Wohnwelt Ihr eigener Strom \u2014 vom Dach bis zur Wallbox. Erzeugung, Speicherung und Verbrauch geh\u00f6ren in ein System. Wir planen Photovoltaik, Speicher, W\u00e4rmepumpe und Ladepunkt so, dass Ihr Sonnenstrom dort ankommt, wo er den gr\u00f6\u00dften Nutzen bringt \u2014 sichtbar gemacht in einer Oberfl\u00e4che. 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