[BLUEPRINT] Adaptive Climate Control - ASHRAE 55 Implementation with Energy Optimization

Blueprints Exchange
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Open your Home Assistant instance and show the blueprint import dialog with a specific blueprint pre-filled.

Overview

I’ve just released my first open-source contribution: an adaptive climate control blueprint for Home Assistant that implements ASHRAE 55 standards.

What makes it different

Instead of fixed temperature setpoints, this blueprint:

  • Calculates optimal comfort zones based on outdoor temperature
  • Provides 15-30% energy savings through intelligent control
  • Integrates seamlessly with SmartIR and other climate platforms
  • Automatically detects natural ventilation opportunities

Implementation

Based on ASHRAE 55-2017 adaptive comfort model with three configurable comfort categories for different user preferences.

Community Input Needed

As this is my first major open-source project, I’m looking for:

  • Beta testers with different climate setups
  • Code reviewers for blueprint optimization
  • Documentation contributors to improve user guides
  • Feature suggestions from the community

Works with any climate entity

climate_entity: climate.your_ac
indoor_temp_sensor: sensor.room_temperature
outdoor_temp_sensor: sensor.outdoor_temperature
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Hello Marco Sinhoreli,
Welcome to the Home Assistant Forum!

Thanks for contributing to the community with a new Blueprint.

I have a suggestion for you. Many people who are not familiar with directory structures will have problems installing this without the Home Assistant MY tools.

Adding a MY link for this Blueprint to your top post would help them a lot.
Here is the link to make that.

Create a link – My Home Assistant

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Thank you @Sir_Goodenough ! It’s done.

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Thanks will try this out. Looks very promising.
Edit tried it, I want to report 2 things:

  • Error during updating my fan mode: Fan mode auto is not valid. Valid fan modes are: 1, 2, 3
  • My AC makes a beeping sound when it is turned on or off. The automation currently decides to turn it off even when it’s already off, which causes unnecessary beeps.

Thanks.

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Open your Home Assistant instance and show the blueprint import dialog with a specific blueprint pre-filled.

I made some improvments:

  • Automatically switch to ASHRAE 55 Category III (maximum energy saving) when there is no occupancy
  • Automation only runs if climate_entity state is not ‘off’ (respects manual AC shutdown via Home Assistant).
  • Additional bugfixes and minor logic adjustments for setpoint and comfort zone handling.
  • Minor bugfixes.
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I really want to try this out, but there doesn’t seem to be any way to make decisions based on ventilation needs. I know that’s not in ASHRAE55, but ideally I’d like to control a ventilation fan (in my case) and have control over CO2/VOC levels. Do you feel like this is out of scope for your project?

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Hi Marco. This looks very valuable

Can you clarify please how this Blueprint relates to your similar HACS Custom Integration device? Do they work together, or are they alternatives?