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#climatecontrol — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #climatecontrol, aggregated by home.social.

  1. Heat Recovery Ventilator (HRV) — Operating Principle

    A recuperator (heat recovery unit) transfers heat from exhaust air to incoming fresh air without mixing the two streams.

    ---

    How It Works

    Two airflows:

    Exhaust air (warm, from indoors)

    Supply air (cold, from outside)

    They pass through a heat exchanger:

    separated by plates or channels

    no direct mixing

    heat transfers through the material (conduction)

    Result: → supply air is preheated
    → exhaust air is cooled
    → overall heat loss is reduced

    ---

    Types of Recuperators

    1. Plate Heat Exchanger

    aluminum or plastic plates

    efficiency: ~60–90%

    no moving parts

    2. Rotary (Wheel) Heat Exchanger

    rotating drum

    transfers heat and some moisture

    efficiency: up to ~85–90%

    3. Counterflow Heat Exchanger

    air streams move in opposite directions

    highest efficiency: up to ~95%

    ---

    What Is Transferred

    heat (primary)

    sometimes moisture (in enthalpy units)

    ---

    Efficiency Example

    outside: 0°C

    indoor: +22°C

    after recovery: ~16–20°C

    ---

    Advantages

    reduced heating energy demand

    continuous ventilation without major heat loss

    improved indoor air quality

    ---

    Limitations

    frost formation in winter (needs bypass or preheater)

    filter maintenance required

    upfront cost

    ---

    Core Idea

    A recuperator doesn’t generate heat — it recovers and reuses it.

    #HVAC #HeatRecovery #HRV #ERV #EnergyEfficiency #Ventilation #IndoorAirQuality #AirExchange #HeatExchanger #SustainableLiving #GreenBuilding #EnergySaving #HomeComfort #SmartHome #BuildingEngineering #ClimateControl #EcoTech #Airflow #FreshAir #LowEnergy #PassiveHouse #NetZero #HomeImprovement #Engineering #CleanAir

  2. Heat Recovery Ventilator (HRV) — Operating Principle

    A recuperator (heat recovery unit) transfers heat from exhaust air to incoming fresh air without mixing the two streams.

    ---

    How It Works

    Two airflows:

    Exhaust air (warm, from indoors)

    Supply air (cold, from outside)

    They pass through a heat exchanger:

    separated by plates or channels

    no direct mixing

    heat transfers through the material (conduction)

    Result: → supply air is preheated
    → exhaust air is cooled
    → overall heat loss is reduced

    ---

    Types of Recuperators

    1. Plate Heat Exchanger

    aluminum or plastic plates

    efficiency: ~60–90%

    no moving parts

    2. Rotary (Wheel) Heat Exchanger

    rotating drum

    transfers heat and some moisture

    efficiency: up to ~85–90%

    3. Counterflow Heat Exchanger

    air streams move in opposite directions

    highest efficiency: up to ~95%

    ---

    What Is Transferred

    heat (primary)

    sometimes moisture (in enthalpy units)

    ---

    Efficiency Example

    outside: 0°C

    indoor: +22°C

    after recovery: ~16–20°C

    ---

    Advantages

    reduced heating energy demand

    continuous ventilation without major heat loss

    improved indoor air quality

    ---

    Limitations

    frost formation in winter (needs bypass or preheater)

    filter maintenance required

    upfront cost

    ---

    Core Idea

    A recuperator doesn’t generate heat — it recovers and reuses it.

    #HVAC #HeatRecovery #HRV #ERV #EnergyEfficiency #Ventilation #IndoorAirQuality #AirExchange #HeatExchanger #SustainableLiving #GreenBuilding #EnergySaving #HomeComfort #SmartHome #BuildingEngineering #ClimateControl #EcoTech #Airflow #FreshAir #LowEnergy #PassiveHouse #NetZero #HomeImprovement #Engineering #CleanAir

  3. Heat Recovery Ventilator (HRV) — Operating Principle

    A recuperator (heat recovery unit) transfers heat from exhaust air to incoming fresh air without mixing the two streams.

    ---

    How It Works

    Two airflows:

    Exhaust air (warm, from indoors)

    Supply air (cold, from outside)

    They pass through a heat exchanger:

    separated by plates or channels

    no direct mixing

    heat transfers through the material (conduction)

    Result: → supply air is preheated
    → exhaust air is cooled
    → overall heat loss is reduced

    ---

    Types of Recuperators

    1. Plate Heat Exchanger

    aluminum or plastic plates

    efficiency: ~60–90%

    no moving parts

    2. Rotary (Wheel) Heat Exchanger

    rotating drum

    transfers heat and some moisture

    efficiency: up to ~85–90%

    3. Counterflow Heat Exchanger

    air streams move in opposite directions

    highest efficiency: up to ~95%

    ---

    What Is Transferred

    heat (primary)

    sometimes moisture (in enthalpy units)

    ---

    Efficiency Example

    outside: 0°C

    indoor: +22°C

    after recovery: ~16–20°C

    ---

    Advantages

    reduced heating energy demand

    continuous ventilation without major heat loss

    improved indoor air quality

    ---

    Limitations

    frost formation in winter (needs bypass or preheater)

    filter maintenance required

    upfront cost

    ---

    Core Idea

    A recuperator doesn’t generate heat — it recovers and reuses it.

    #HVAC #HeatRecovery #HRV #ERV #EnergyEfficiency #Ventilation #IndoorAirQuality #AirExchange #HeatExchanger #SustainableLiving #GreenBuilding #EnergySaving #HomeComfort #SmartHome #BuildingEngineering #ClimateControl #EcoTech #Airflow #FreshAir #LowEnergy #PassiveHouse #NetZero #HomeImprovement #Engineering #CleanAir

  4. Webinar on Historic House Climate Control.
    New England Museum Association Webinar.
    Don’t Touch the Thermostat!: Temperature and Climate Control for Historic Buildings and Collections
    December 4, 2025, 1:00 p.m. (AZ)

    nemanet.org/event/ecop_dec25 #globalmuseum #webinar #Climatecontrol

  5. The Best Thermostat To Keep You Warm Without Running Up Electric Bills

    Saklakova/Getty Images It can be tempting to turn your thermostat up to keep your house toasty during the winter months, but if you do, you run the risk of increasing your electricity bills. If you're conscious about heating costs, installing a smart thermostat can be a great way to monitor and adjust your heating usage. The best smart thermostats will not only let you keep tabs on your property's ambient temperature while you're at home but will also let you adjust the temperature remotely […]

    onlinemarketingscoops.com/2025

  6. Using elevation and northern vs. southern New Mexico temperature variations to find optimal "Goldilocks" conditions. 😆

    #temperature #climatecontrol #NewMexico

  7. Welcome to SubTropolis: the Limestone Mine Turned Climate-Controlled Business Complex - After extracting all the useful stuff from a mine, you are often left with a lot o... - hackaday.com/2024/11/10/welcom #climatecontrol #uncategorized #cave

  8. For a PID controller, would it suffice to calculate the accumulated error (I) as follows?

    I(0)=kI * e(0)
    I = I + (kI * e - I) * dt / SecondsInHour

    This would drive the integral part towards the current observed error, but won’t accumulate large errors over time - and settle on the error value after an hour.

    #Thermostat #HomeAssistant #ClimateControl #SmartHome

  9. #hurricanemilton #marjorietaylorgreene #socialmedia #hurricanes #weather #weathercontrol #usa #climatecontrol
    It must be a full moon as Taylor Greene’s ranting again. Her social media account apparently contains ridiculous posts claiming the US government’s controlling the weather.
    If it’s so, could I formally request the development of a Taylor Green tracking cloud that follows her around and pisses on her wherever she goes.

    No, Hurricane Milton was not 'engineered' bbc.com/news/articles/cx2lyzw7

  10. The New Gods of Weather Can Make Rain on Demand—or So They Want You to Believe - In a gold-trimmed command center on the outskirts of Abu Dhabi, scientists are seeking to... - wired.com/story/new-gods-weath #science/environment #climatecontrol #thebigstory #science

  11. How to Stay Cool Without Warming the Planet - The race is on to create climate-friendly air-con technology. - wired.com/story/aircon-climate #science/environment #climatecontrol #business

  12. Air conditioning is one of the greatest inventions of the 20th Century. It’s also killing the 21st - When did indoor air become cold and clean?
    Air conditioning is one of those invent... - feedproxy.google.com/~r/Techcr #airconditioning #climatecontrol #climatechange #bookreview #realestate #greentech