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comfoclime_api

API Description for Zehnder ComfoClime 24/36 Airduino Interface

This is a documentation repository for the undocumented HTTP/JSON API of Zehnder ComfoClime 24 (Airduino/ESP32).

All data is transmitted unencrypted locally via HTTP interface from Zehnder ComfoClime App to the ComfoClime. Feel free to extend. If anyone has more information about ComfoClime sensor values and parameters, feel free to contact me.

The "Airduino" board seems to communicate with the compressor unit via modbus. There is communication with baud 9600 and typical "01 03 ..." / "01 06 ..." messages. But as there is no known register list, this is not very helpful.

Maybe somebody working at Zehnder Systems wants to contact me and give a little more details 😊 You've got a great, open-source-friendly API - that would convince lots of people in buying a Zehnder Comfo!

A integration for Home Assistant using this interface is available at: https://github.com/msfuture/comfoclime

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API Description for Zehnder ComfoClime 24/36 Airduino Interface

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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comfoclime_api
API Description for Zehnder ComfoClime 24/36 Airduino Interface
This is a documentation repository for the undocumented HTTP/JSON API of Zehnder ComfoClime 24 (Airduino/ESP32).
All data is transmitted unencrypted locally via HTTP interface from Zehnder ComfoClime App to the ComfoClime. Feel free to extend. If anyone has more information about ComfoClime sensor values and parameters, feel free to contact me.
The "Airduino" board seems to communicate with the compressor unit via modbus. There is communication with baud 9600 and typical "01 03 ..." / "01 06 ..." messages. But as there is no known register list, this is not very helpful.
Maybe somebody working at Zehnder Systems wants to contact me and give a little more details 😊 You've got a great, open-source-friendly API - that would convince lots of people in buying a Zehnder Comfo!
A integration for Home Assistant using this interface is available at:
https://github.com/msfuture/comfoclime
About
API Description for Zehnder ComfoClime 24/36 Airduino Interface
Resources
Readme
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5 stars
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6 watching
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1 fork
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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comfoclime_api
API Description for Zehnder ComfoClime 24/36 Airduino Interface
This is a documentation repository for the undocumented HTTP/JSON API of Zehnder ComfoClime 24 (Airduino/ESP32).
All data is transmitted unencrypted locally via HTTP interface from Zehnder ComfoClime App to the ComfoClime. Feel free to extend. If anyone has more information about ComfoClime sensor values and parameters, feel free to contact me.
The "Airduino" board seems to communicate with the compressor unit via modbus. There is communication with baud 9600 and typical "01 03 ..." / "01 06 ..." messages. But as there is no known register list, this is not very helpful.
Maybe somebody working at Zehnder Systems wants to contact me and give a little more details 😊 You've got a great, open-source-friendly API - that would convince lots of people in buying a Zehnder Comfo!
A integration for Home Assistant using this interface is available at:
https://github.com/msfuture/comfoclime
About
API Description for Zehnder ComfoClime 24/36 Airduino Interface
Resources
Readme
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Stars
5 stars
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6 watching
Forks
1 fork
Report repository
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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cc_alarms.json
defrost_cycle.png
defrost_cycle.png
Repository files navigation
comfoclime_api
API Description for Zehnder ComfoClime 24/36 Airduino Interface
This is a documentation repository for the undocumented HTTP/JSON API of Zehnder ComfoClime 24 (Airduino/ESP32).
All data is transmitted unencrypted locally via HTTP interface from Zehnder ComfoClime App to the ComfoClime. Feel free to extend. If anyone has more information about ComfoClime sensor values and parameters, feel free to contact me.
The "Airduino" board seems to communicate with the compressor unit via modbus. There is communication with baud 9600 and typical "01 03 ..." / "01 06 ..." messages. But as there is no known register list, this is not very helpful.
Maybe somebody working at Zehnder Systems wants to contact me and give a little more details 😊 You've got a great, open-source-friendly API - that would convince lots of people in buying a Zehnder Comfo!
A integration for Home Assistant using this interface is available at:
https://github.com/msfuture/comfoclime
About
API Description for Zehnder ComfoClime 24/36 Airduino Interface
Resources
Readme
Activity
Stars
5 stars
Watchers
6 watching
Forks
1 fork
Report repository
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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cc_alarms.json
defrost_cycle.png
defrost_cycle.png
Repository files navigation
comfoclime_api
API Description for Zehnder ComfoClime 24/36 Airduino Interface
This is a documentation repository for the undocumented HTTP/JSON API of Zehnder ComfoClime 24 (Airduino/ESP32).
All data is transmitted unencrypted locally via HTTP interface from Zehnder ComfoClime App to the ComfoClime. Feel free to extend. If anyone has more information about ComfoClime sensor values and parameters, feel free to contact me.
The "Airduino" board seems to communicate with the compressor unit via modbus. There is communication with baud 9600 and typical "01 03 ..." / "01 06 ..." messages. But as there is no known register list, this is not very helpful.
Maybe somebody working at Zehnder Systems wants to contact me and give a little more details 😊 You've got a great, open-source-friendly API - that would convince lots of people in buying a Zehnder Comfo!
A integration for Home Assistant using this interface is available at:
https://github.com/msfuture/comfoclime
About
API Description for Zehnder ComfoClime 24/36 Airduino Interface
Resources
Readme
Activity
Stars
5 stars
Watchers
6 watching
Forks
1 fork
Report repository
Releases
Packages
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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cc_alarms.json
defrost_cycle.png
defrost_cycle.png
Repository files navigation
comfoclime_api
API Description for Zehnder ComfoClime 24/36 Airduino Interface
This is a documentation repository for the undocumented HTTP/JSON API of Zehnder ComfoClime 24 (Airduino/ESP32).
All data is transmitted unencrypted locally via HTTP interface from Zehnder ComfoClime App to the ComfoClime. Feel free to extend. If anyone has more information about ComfoClime sensor values and parameters, feel free to contact me.
The "Airduino" board seems to communicate with the compressor unit via modbus. There is communication with baud 9600 and typical "01 03 ..." / "01 06 ..." messages. But as there is no known register list, this is not very helpful.
Maybe somebody working at Zehnder Systems wants to contact me and give a little more details 😊 You've got a great, open-source-friendly API - that would convince lots of people in buying a Zehnder Comfo!
A integration for Home Assistant using this interface is available at:
https://github.com/msfuture/comfoclime
About
API Description for Zehnder ComfoClime 24/36 Airduino Interface
Resources
Readme
Activity
Stars
5 stars
Watchers
6 watching
Forks
1 fork
Report repository
Releases
Packages
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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cc_alarms.json
defrost_cycle.png
defrost_cycle.png
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comfoclime_api
API Description for Zehnder ComfoClime 24/36 Airduino Interface
This is a documentation repository for the undocumented HTTP/JSON API of Zehnder ComfoClime 24 (Airduino/ESP32).
All data is transmitted unencrypted locally via HTTP interface from Zehnder ComfoClime App to the ComfoClime. Feel free to extend. If anyone has more information about ComfoClime sensor values and parameters, feel free to contact me.
The "Airduino" board seems to communicate with the compressor unit via modbus. There is communication with baud 9600 and typical "01 03 ..." / "01 06 ..." messages. But as there is no known register list, this is not very helpful.
Maybe somebody working at Zehnder Systems wants to contact me and give a little more details 😊 You've got a great, open-source-friendly API - that would convince lots of people in buying a Zehnder Comfo!
A integration for Home Assistant using this interface is available at:
https://github.com/msfuture/comfoclime
About
API Description for Zehnder ComfoClime 24/36 Airduino Interface
Resources
Readme
Activity
Stars
5 stars
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6 watching
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1 fork
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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cc_alarms.json
defrost_cycle.png
defrost_cycle.png
Repository files navigation
comfoclime_api
API Description for Zehnder ComfoClime 24/36 Airduino Interface
This is a documentation repository for the undocumented HTTP/JSON API of Zehnder ComfoClime 24 (Airduino/ESP32).
All data is transmitted unencrypted locally via HTTP interface from Zehnder ComfoClime App to the ComfoClime. Feel free to extend. If anyone has more information about ComfoClime sensor values and parameters, feel free to contact me.
The "Airduino" board seems to communicate with the compressor unit via modbus. There is communication with baud 9600 and typical "01 03 ..." / "01 06 ..." messages. But as there is no known register list, this is not very helpful.
Maybe somebody working at Zehnder Systems wants to contact me and give a little more details 😊 You've got a great, open-source-friendly API - that would convince lots of people in buying a Zehnder Comfo!
A integration for Home Assistant using this interface is available at:
https://github.com/msfuture/comfoclime
About
API Description for Zehnder ComfoClime 24/36 Airduino Interface
Resources
Readme
Activity
Stars
5 stars
Watchers
6 watching
Forks
1 fork
Report repository
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Packages
Contributors