# \#heating

**URL:** https://discourse.ladybug.tools/tag/heating/126.md

[Latest](https://discourse.ladybug.tools/latest.md) · [Categories](https://discourse.ladybug.tools/categories.md) · [Tags](https://discourse.ladybug.tools/tags.md)

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## [How to model a thermally activated exterior wall in Honeybee?](https://discourse.ladybug.tools/t/how-to-model-a-thermally-activated-exterior-wall-in-honeybee/40524)

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**Author:** [@Mulimark](https://discourse.ladybug.tools/u/Mulimark)\
**Replies:** 5\
**Last updated:** [July 27, 2026, 5:38am UTC](https://discourse.ladybug.tools/t/how-to-model-a-thermally-activated-exterior-wall-in-honeybee/40524 "2026-07-27T05:38:48Z")

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Hi all, I am currently working on a parametric study in Grasshopper/Honeybee and would like to model a thermally activated exterior wall. The wall assembly is roughly: Room | 20cm Concrete (thermal mass) | ~3cm rend…

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## [Heater Cycling too much](https://discourse.ladybug.tools/t/heater-cycling-too-much/33788)

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**Author:** [@ska](https://discourse.ladybug.tools/u/ska)\
**Replies:** 1\
**Last updated:** [August 8, 2024, 2:26pm UTC](https://discourse.ladybug.tools/t/heater-cycling-too-much/33788 "2024-08-08T14:26:40Z")

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Hi I am trying to calibrate a model to hourly electricity bills (and monthly gas bills). It seems like my modelled electric boiler is cycling on and off much more than the real one. Are there settings in ironbug to make …

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## [Cooling and heating setpoints in an Ideal HVAC system](https://discourse.ladybug.tools/t/cooling-and-heating-setpoints-in-an-ideal-hvac-system/20088)

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**Author:** [@sufia89](https://discourse.ladybug.tools/u/sufia89)\
**Replies:** 1\
**Last updated:** [November 17, 2022, 11:24am UTC](https://discourse.ladybug.tools/t/cooling-and-heating-setpoints-in-an-ideal-hvac-system/20088 "2022-11-17T11:24:50Z")

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Hi, I’m currently working with honeybee 1.5. I wanted to assign cooling and heating setpoints and setback room temperature in my energy model but I could not find the right component for it. Do you know where I can assi…

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## [Heating works simultaneously with natural ventilation](https://discourse.ladybug.tools/t/heating-works-simultaneously-with-natural-ventilation/19501)

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**Author:** [@Erato3d](https://discourse.ladybug.tools/u/Erato3d)\
**Replies:** 1\
**Last updated:** [September 14, 2022, 6:28pm UTC](https://discourse.ladybug.tools/t/heating-works-simultaneously-with-natural-ventilation/19501 "2022-09-14T18:28:46Z")

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Hi everyone, I am working on a basic office building with one zone, and I was checking: -Zone Ideal Loads Zone Total Heating Energy -Zone Ventilation Sensible Heat Loss Energy and, -Zone Mean Air Temperature The set…

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## [Window: u-value LBT 1.4](https://discourse.ladybug.tools/t/window-u-value-lbt-1-4/18837)

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**Author:** [@berrakbalci](https://discourse.ladybug.tools/u/berrakbalci)\
**Replies:** 3\
**Last updated:** [July 15, 2022, 4:31pm UTC](https://discourse.ladybug.tools/t/window-u-value-lbt-1-4/18837 "2022-07-15T16:31:54Z")

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Hi, I have recently converted to the LBT 1.4 from the Legacy version. Although I assigned the input parameters the same, the heating and cooling results are very different from each other. Do you think this might be bec…

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## [Hybrid system (heat pump and gas boiler)](https://discourse.ladybug.tools/t/hybrid-system-heat-pump-and-gas-boiler/12963)

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**Author:** [@mkdg](https://discourse.ladybug.tools/u/mkdg)\
**Replies:** 3\
**Last updated:** [June 21, 2022, 9:09pm UTC](https://discourse.ladybug.tools/t/hybrid-system-heat-pump-and-gas-boiler/12963 "2022-06-21T21:09:46Z")

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Dear Ladybug community, I would like to use honeybee to model a hybrid system that uses a combination of renewable energy and fossil fuels. When the outside air reaches lower temperatures (below zero), the heat pump shu…

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## [IronBug Gas DHW System Details?](https://discourse.ladybug.tools/t/ironbug-gas-dhw-system-details/14443)

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**Author:** [@edpmay](https://discourse.ladybug.tools/u/edpmay)\
**Replies:** 2\
**Last updated:** [May 24, 2021, 5:58pm UTC](https://discourse.ladybug.tools/t/ironbug-gas-dhw-system-details/14443 "2021-05-24T17:58:22Z")

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Hi everyone, I am wondering if anyone might know the answer to a couple questions that have come up modeling a gas DHW (residential) system in IronBug? Mostly it seem to be working great, but I wonder about a couple det…

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## [HVAC simulations](https://discourse.ladybug.tools/t/hvac-simulations/11338)

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**Author:** [@Vid](https://discourse.ladybug.tools/u/Vid)\
**Replies:** 1\
**Last updated:** [October 7, 2020, 5:06am UTC](https://discourse.ladybug.tools/t/hvac-simulations/11338 "2020-10-07T05:06:31Z")

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For one of my academic research topics, I was trying to simulate the performance of various HVAC systems: 1.natural gas furnace boilers PTAC Air source heat pumps. I created a basic house model set in Philad…

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## [Firewood stove as heating source](https://discourse.ladybug.tools/t/firewood-stove-as-heating-source/10651)

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**Author:** [@thisf](https://discourse.ladybug.tools/u/thisf)\
**Replies:** 0\
**Last updated:** [August 13, 2020, 1:45pm UTC](https://discourse.ladybug.tools/t/firewood-stove-as-heating-source/10651 "2020-08-13T13:45:11Z")

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Hi everybody, I’m modeling a countryside house and the only heating source will be a firewood stove in the kitchen. Has anyone ever modeled a heating source like that in honeybee? Any suggestions? Thanks in advance.

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## [Energy+ Simulation - Heating values doubt](https://discourse.ladybug.tools/t/energy-simulation-heating-values-doubt/9980)

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**Author:** [@Orion](https://discourse.ladybug.tools/u/Orion)\
**Replies:** 5\
**Last updated:** [July 16, 2020, 9:15pm UTC](https://discourse.ladybug.tools/t/energy-simulation-heating-values-doubt/9980 "2020-07-16T21:15:16Z")

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Hi all, I’ve been playing around with the Heating demand simulation, as I will be testing different proposals for an urban plan for energy-releated properties. My test consist of few single-family houses and two larger …

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## [Fan coil units + DOAS : readEPResult : Heating energy output: fuel energy or electric energy?](https://discourse.ladybug.tools/t/fan-coil-units-doas-readepresult-heating-energy-output-fuel-energy-or-electric-energy/10231)

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**Author:** [@Lucia\_Delilah](https://discourse.ladybug.tools/u/Lucia_Delilah)\
**Replies:** 2\
**Last updated:** [July 3, 2020, 1:18pm UTC](https://discourse.ladybug.tools/t/fan-coil-units-doas-readepresult-heating-energy-output-fuel-energy-or-electric-energy/10231 "2020-07-03T13:18:22Z")

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Hi everyone, I am running an energy simulation with Open Studio. For the HVAC system I have selected option 11.: Fan Coil Units + DOAS. Based on the type of HVAC system, the output for the heating loads will show the f…

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## [Extreme heating loads after latest update 0.0.65 \[Solved\]](https://discourse.ladybug.tools/t/extreme-heating-loads-after-latest-update-0-0-65-solved/8540)

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**Author:** [@tasoskok](https://discourse.ladybug.tools/u/tasoskok)\
**Replies:** 2\
**Last updated:** [March 5, 2020, 10:37am UTC](https://discourse.ladybug.tools/t/extreme-heating-loads-after-latest-update-0-0-65-solved/8540 "2020-03-05T10:37:54Z")

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Hi, After installing the latest version of HB and LB- Legacy I noticed an extreme discrepancy in the results I was getting for my heating loads in comparison to the same loads on the same projects with older versions. I…

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## [HVAC SYSTEMS - Low Heating and Cooling Demand](https://discourse.ladybug.tools/t/hvac-systems-low-heating-and-cooling-demand/5657)

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**Author:** [@orcunkoral](https://discourse.ladybug.tools/u/orcunkoral)\
**Replies:** 1\
**Last updated:** [March 24, 2019, 4:46pm UTC](https://discourse.ladybug.tools/t/hvac-systems-low-heating-and-cooling-demand/5657 "2019-03-24T16:46:13Z")

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Hello All, On the current, I am dealing with midrise apartment simulation. My main objectives are annual cooling and heating energy demand but results are so low than I expect. Location is in ASHRAE climate 4A. Do y…

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## [Ventilation schedule for mechanically operable skylights/Sizing heating peak loads/heating energy results discrepancy](https://discourse.ladybug.tools/t/ventilation-schedule-for-mechanically-operable-skylights-sizing-heating-peak-loads-heating-energy-results-discrepancy/2324)

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**Author:** [@fabrizio.m.amoruso](https://discourse.ladybug.tools/u/fabrizio.m.amoruso)\
**Replies:** 5\
**Last updated:** [December 5, 2017, 3:32am UTC](https://discourse.ladybug.tools/t/ventilation-schedule-for-mechanically-operable-skylights-sizing-heating-peak-loads-heating-energy-results-discrepancy/2324 "2017-12-05T03:32:12Z")

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Hi Guys, I would like to lay here two very (probably) basic questions regarding skylights and to ask for clarifications about some possibly strange results I’ve been obtaining by simulating the energy performance for a …

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## [Natural Ventilation Simultaneous Vent and Heating](https://discourse.ladybug.tools/t/natural-ventilation-simultaneous-vent-and-heating/1837)

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**Author:** [@erikmoore307](https://discourse.ladybug.tools/u/erikmoore307)\
**Replies:** 4\
**Last updated:** [May 7, 2017, 4:32pm UTC](https://discourse.ladybug.tools/t/natural-ventilation-simultaneous-vent-and-heating/1837 "2017-05-07T16:32:00Z")

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I'm currently working on a model where we're looking at the use of natural ventilation. I'm getting simultaneous heating and vent happening, which is driving heating demand up. I've played with the set point parameters…

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## [Heating and Cooling Loads](https://discourse.ladybug.tools/t/heating-and-cooling-loads/1532)

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**Author:** [@MMerlin](https://discourse.ladybug.tools/u/MMerlin)\
**Replies:** 12\
**Last updated:** [January 9, 2017, 6:10pm UTC](https://discourse.ladybug.tools/t/heating-and-cooling-loads/1532 "2017-01-09T18:10:00Z")

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Dear all, we are working to a simple tool for calculating the heating and cooling loads (for HVAC sizing). We have now completed the organization of the parameters we would like to control according to a general room…