How the log p-h diagram works in HVAC-R refrigeration systems | Danfoss @DanfossClimate
How the log p-h diagram works in HVAC-R refrigeration systems | Danfoss  @DanfossClimate
Uploaded June 2026 | Updated September 2026, 2 weeks ago
Sometimes the basics aren’t so basic — especially in HVAC-R.

In this video, we break down one of the most important tools in refrigeration and cooling systems: the Log PH diagram. Learn how it helps visualize phase changes, pressure, temperature, and energy throughout the refrigeration circuit.

Whether you're working with refrigeration, heat pumps, or HVAC systems, understanding the Log PH diagram is essential for troubleshooting, optimization, and improving system efficiency.

📊 In this animation, you’ll discover:
• What the Log PH diagram is
• How pressure and enthalpy interact
• Phase changes across the refrigeration cycle
• Why HVAC-R professionals rely on this tool
• How it supports energy-efficient cooling and heating systems

🔗 Find out more: danfoss.com/en/service-and-support/learning/climate-solutions-learning/?utm_source=YouTube&utm_medium=social_organic&utm_campaign=Product_animation_cid_7199153

#HVACR #Refrigeration #danfoss

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Danfoss Climate Solutions provides integrated, energy-efficient heating and cooling solutions to enable sustainable development in buildings, cold chains, industrial applications, and infrastructure.

With end-to-end application expertise and a broad product portfolio, we’re leading the way to a greener future and helping our customers do more with less.

Backed by our advanced components, systems, and software, we are actively engineering tomorrow's HVACR technology with a focus on:

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How the log p-h diagram works in HVAC-R refrigeration systems | Danfoss

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