Search results

Support air-to-water heat pumps serving space conditioning and DHW (multifunction / combi heat pump)

Status: Open.

#2238 In NatLabRockies/OpenStudio-HPXML;

· matt-tucker opened on Jul 13, 2026

Collapse like HVAC systems

performance

Status: Open.

Feature

#2236 In NatLabRockies/OpenStudio-HPXML;

· shorowit opened on Jul 10, 2026

Add support for powered attic ventilation fans in HPXML/OpenStudio-HPXML

priority low

Status: Open.

Feature

#2230 In NatLabRockies/OpenStudio-HPXML;

· danielas-r96 opened on Jun 25, 2026

Possible HPWH warnings

priority medium

Status: Open.

Bug

#2227 In NatLabRockies/OpenStudio-HPXML;

· shorowit opened on Jun 4, 2026

Review MaxLoad sizing methodology

priority high

Status: Open.

Task

#2226 In NatLabRockies/OpenStudio-HPXML;

· shorowit opened on Jun 3, 2026

Allow NumberOfPanels or CollectorArea for PV

priority low

Status: Open.

Feature

#2225 In NatLabRockies/OpenStudio-HPXML;

· shorowit opened on May 29, 2026

Update to SEDS 2025 data

Status: Open.

#2218 In NatLabRockies/OpenStudio-HPXML;

· shorowit opened on May 12, 2026

·  

1.13.0

Unmet hours for dehumidification

priority medium

Status: Open.

Feature

#2203 In NatLabRockies/OpenStudio-HPXML;

· shorowit opened on Apr 30, 2026

·  

1.13.0

Move the DHW parasitics to an EMS program

priority low

Status: Open.

Feature

#2202 In NatLabRockies/OpenStudio-HPXML;

· joseph-robertson opened on Apr 28, 2026

Confusing indirect water heater outputs

priority medium

Status: Open.

Bug

#2187 In NatLabRockies/OpenStudio-HPXML;

· shorowit opened on Apr 2, 2026

·  

1.13.0

Add new Load: Heating: Heat Pump Defrost Backup output?

priority low

Status: Open.

#2179 In NatLabRockies/OpenStudio-HPXML;

· shorowit opened on Mar 23, 2026

Misc areas to allow more flexibility

priority low

Status: Open.

Task

#2170 In NatLabRockies/OpenStudio-HPXML;

· shorowit opened on Mar 2, 2026