Furnace Specification Version 5

The ENERGY STAR specification for Furnaces is currently under revision. Materials related to this revision process are provided below. Partners and the general public with questions or concerns regarding these materials or the revision process can contact Abigail Daken, EPA, at Daken.Abigail@epa.gov or HVAC@energystar.gov. This webpage will be updated periodically as new information is received.

EPA had proposed sunsetting the ENERGY STAR specifications for residential gas furnaces and central air conditioners. EPA is now proposing to revise, rather than sunset, the furnaces specification. Please see the sunset proposal page for further details.

Stakeholder Comments on the ENERGY STAR Version 5.0 Furnaces Draft 1 Specification

AGA Comments (PDF, 1.39 MB) AHRI-HRAI Comments (PDF, 129.98 KB) ASE Comments (PDF, 184.07 KB) Atmos Energy Comments (PDF, 942.95 KB) BIAW Comments (PDF, 177.61 KB) Black Hills Energy Comments (PDF, 664.39 KB) CA IOUs Comments (PDF, 159.97 KB) Carrier Comments (PDF, 50.05 KB) CEE Comments (PDF, 387.41 KB) CHPK Comments (PDF, 546.77 KB) Lennox Comments (PDF, 105.18 KB) NAGHPC Comments (PDF, 133.5 KB) NEFI-OMA Comments (PDF, 251.6 KB) NiSource Comments (PDF, 167.87 KB) NJNG Comments (PDF, 585.17 KB) NPGA-AGA-APGA-PHCC Comments (PDF, 421.83 KB) NW Natural Comments (1) (PDF, 344.78 KB) NW Natural Comments (2) (PDF, 137.49 KB) NWGA Comments (PDF, 100.11 KB) One Gas Comments (PDF, 594.6 KB) Peoples Gas - North Shore Gas Comments (PDF, 191.06 KB) Regional Gas Associations Comments (PDF, 639.59 KB) Rewiring America et al. Comments (PDF, 117.53 KB) Rheem Comments (PDF, 164.71 KB) RMI Comments (PDF, 70.79 KB) Southern Company Gas Comments (PDF, 715.42 KB) Southwest Gas Comments (PDF, 539.61 KB) Summit Utilities Comments (PDF, 205.43 KB)

ENERGY STAR Version 5.0 Furnaces Draft 1 Specification Webinar – May 1, 2024

ENERGY STAR Version 5.0 Furnaces Draft 1 Specification Webinar (PDF, 1.06 MB)

ENERGY STAR Version 5.0 Furnaces Draft 1 Specification – April 16, 2024

EPA welcomes public input on the Version 5.0 Draft 1 specification. The comment period deadline is May 16, 2024. Please send comments via e-mail to HVAC@energystar.gov.

ENERGY STAR Version 5.0 Furnaces Draft 1 Specification (PDF, 179.01 KB) ENERGY STAR Version 5.0 Furnaces Draft 1 Data Package (XLSX, 406.91 KB) ENERGY STAR Version 5.0 Furnaces Draft 1 Cover Letter (PDF, 334.44 KB)