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16 Single-Stage Heat Pump
Trane · 5TWR6 series
Single-stage residential air-source heat pump offered in seven outdoor-unit models spanning roughly 1.5 to 5 tons, using R-454B refrigerant and Trane's Climatuff compressor, and published by the manufacturer at up to 17.0 SEER2 and up to 8.5 HSPF2 as a matched system.
✓ Verified 2026-09-10
Specs on this page were checked against Trane, "16 Single-Stage Heat Pump" residential product page (www.trane.com, first-party, robots-permitted), corroborated by Trane Heat Pump Brochure form 72-1209-R-41 02-26 on 2026-09-10.
Certifications & Standards
ENERGY STAR CONDITIONAL AND QUOTED EXACTLY: the brochure states "This product meets ENERGY STAR requirements when appropriate coil components are used." THIS IS A MATCHED-SYSTEM QUALIFICATION, NOT A PROPERTY OF THE OUTDOOR UNIT. No unconditional ENERGY STAR claim is made on this row.
Sustainability
No sustainability metrics on file for this product.
Code sections
Sections of the model codes that address this type of product. A link opens the code library at the chapter that holds the section. It points to the code; it does not say this model meets it.
- IECC 2021 R403.7