Ladybug Tools

Topic	Replies	Views	Activity
Introducing Electric Lighting for Radiance Simulations with LBT Grasshopper announcements honeybee Hello Ladybug Tools community, After many years of waiting and requests from the community, we’re excited to finally share that one of the last major missing Legacy features is now in the new LBT Grasshopper. With this …	8	405	February 2, 2026
Welcome to Ladybug Tools forum faq	1	28372	April 4, 2021
Fairyfly user feedback fairyfly therm	11	113	February 4, 2026
Outdoor glare from facade glazing honeybee glare , honeybee	0	6	February 4, 2026
Hole Found, but no hole found - Simple CW - Modelling practices? fairyfly	23	74	February 4, 2026
GPU Acceleration for Post-Processing Daylight Simulation Results Is Now Available announcements daylight , honeybee	4	518	February 4, 2026
Annual daylight simulation extra data error honeybee daylight	12	33	February 4, 2026
No-Sky Line Analysis daylight	3	39	February 4, 2026
Longwave (IR) Transmittance of Glazing Not Affecting Heat Balance / HVAC Loads in EnergyPlus ladybug-tools energyplus	0	8	February 4, 2026
HB-Energy Zone Mech vent flow > 0 despite setting to zero honeybee	3	24	February 3, 2026
Assigning Ventilation Load Explanation honeybee energy	11	2159	February 3, 2026
Interstitial Blinds in Custom DGU Not Running ladybug-tools energy , energyplus , honeybee	0	9	February 3, 2026
Solar passive greenhouse comfort ladybug-tools thermal-comfort	2	290	February 3, 2026
Global hor radiation and global hor illuminance ladybug-tools	0	11	February 3, 2026
Ladybug weather downloader old ladybug-tools ladybug	0	16	February 2, 2026
Can OtherSideTemperature BC Allow Apertures? honeybee energy , energyplus , boundary-condition , honeybee	8	82	February 2, 2026
Annual daylight sample file - error annual to data - extra data honeybee daylight , ladybug	1	35	February 2, 2026
Ladybug Cumulative Sky Matrix Crashing ladybug-tools energy , ladybug	0	8	February 2, 2026
Connecting skylights honeybee honeybee	0	11	February 2, 2026
The heatmap of cumulative radiation show always a "mosaic" pattern ladybug-tools honeybee	3	31	February 2, 2026
Strange Standard Effective Temperature results honeybee	2	35	February 2, 2026
Other side coefficients Honeybee ladybug-tools energy , honeybee	6	728	January 31, 2026
Fatal Error with HB Window Construction Dynamic: "Missing required property 'outside_layer'" & Temp Out of Bounds honeybee	1	17	January 31, 2026
Is there any way to add an electronic light source to LBT1.4.0? honeybee radiation	10	890	January 30, 2026
Availability issues of Window Construction Dynamic on LBT 1.9 ladybug-tools energy , energyplus , honeybee	2	37	January 30, 2026
Maximum Heating Supply Air Humidity Ratio&Minimum Cooling Supply Air Humidity Ratio honeybee energy , energyplus , honeybee	7	83	January 30, 2026
Fairyfly - Best practices fairyfly	7	61	January 30, 2026
Honeybee 1.9 - Simulation Parameters Not Working...? honeybee openstudio , honeybee	0	21	January 29, 2026
What does it mean to have a U-Factor at a Point fairyfly	5	51	January 29, 2026
Warming up days - open studio/energy plus honeybee-legacy openstudio , energyplus	8	2628	January 29, 2026

Introducing Electric Lighting for Radiance Simulations with LBT Grasshopper

honeybee

Hello Ladybug Tools community, After many years of waiting and requests from the community, we’re excited to finally share that one of the last major missing Legacy features is now in the new LBT Grasshopper. With this …