
WärmeTakt: Heat Pump Tests
Review readings and changes
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Free
In-App Purchases
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About
WärmeTakt makes heat-pump setting changes measurable. Instead of relying on difficult manufacturer dashboards, compare periods before and after a change with weather adjustment and a clear view of efficiency and indoor comfort.
FEATURES
• Guided tests for the heating curve, flow temperature, hot water, hysteresis and room target
• Record electricity, generated heat, outdoor and room temperature, and compressor starts
• Weather-adjusted before-and-after comparisons
• COP, efficiency change, cycling and comfort at a glance
• German and English interface
• Celsius and Fahrenheit
• Local data storage without an account
REVIEW YOUR TEST DATA
Choose equal before and after windows for an individual test. Inspect original readings and identify missing, duplicate, invalid or unusual daily measurements. Exclude a day with your own reason. See all selected days alongside your reviewed selection and how that selection changes the comparison. Original readings and the existing overall analysis are retained. Results do not prove causation or guarantee savings.
FREE AND PRO
The app is free to download and includes one test. WärmeTakt Pro is a one-time in-app purchase that permanently unlocks unlimited tests and analyses. Purchases can be restored.
IMPORTANT
WärmeTakt is an analysis and documentation tool. It does not replace professional planning, manufacturer specifications or safety-related adjustments by a qualified specialist.
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What's New in WärmeTakt
1.2.0
October 31, 2026
• Distinct lab-worksheet design for measurements and comparisons. • Cambay typography for input, headings and explanations. • Clearer separation of readings and assessments. • Refined readability in test and history views. • The latest reading now respects your selected temperature unit.
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Subscriptions & In-App Purchases
$34.99
WärmeTakt Pro
Unlock unlimited tests and analyses permanently.



