Trane · Gas Furnace
Trane A5PG3042A1090 — 3.5 ton
Trane 3.5 Ton A5PG3042A1090 Gas Furnace/Air Conditioner Packaged, R-454B
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Specifications
| Tonnage | 3.5 ton |
Specs are decoded from the model number and retailer listings. Confirm against the manufacturer submittal sheet before purchase.
Efficiency & refrigerant
This unit uses R-454B, a current low-GWP (A2L) refrigerant that meets the post-2025 EPA AIM Act standard — future-proof for serviceability. A2L refrigerants are mildly flammable, so above a charge threshold the system needs factory leak detection; a certified installer handles this.
Rebates & tax credits
Federal 25C tax credit (now expired for new installs). A qualifying central air conditioner may have qualified for the federal 25C credit (up to $600) if it met the efficiency tier (split: SEER2 ≥ 17.0 and EER2 ≥ 12.0; packaged: SEER2 ≥ 16.0 and EER2 ≥ 11.5) and was installed as an AHRI-matched system. Important: the federal 25C credit applied only to property placed in service on or before December 31, 2025 — under the One Big Beautiful Bill (Pub. L. 119-21), it does not apply to systems installed after that date. If you installed a qualifying system in 2023–2025, you may still be able to claim it on that year's return — and 2025 claims require the manufacturer's qualified-manufacturer (QM) code. Read the federal credit details at ENERGY STAR / IRS →
This is not tax advice. We do not know this exact model's certified efficiency rating, so we cannot say it qualifies for any specific amount. Eligibility depends on the installed system's AHRI-matched rating, your tax liability, and the home being your residence. Always confirm with your installer and a tax advisor.
Official documents
Find the manufacturer's submittal sheet, installation manual, owner's manual, and warranty for the Trane A5PG3042A1090:
Search Trane literature for A5PG3042A1090 →
Documents are hosted by the manufacturer — BuyerBloc links to the official source and never re-hosts copyrighted manuals.
Matched systems (AHRI)
For ducted split systems, the rated efficiency only holds for AHRI-certified matched combinations of outdoor unit, coil, and air handler. Look up certified matches for this model in the official directory:
Find AHRI-certified matches for A5PG3042A1090 →
A retailer "system bundle" is not proof of an AHRI reference number. Verify the match in the AHRI Directory.
Before you buy or install
A packaged unit combines heating and cooling in one outdoor cabinet — size it from a Manual J calculation and confirm the configuration (gas/electric, heat pump, or AC-only) and the duct connection (downflow vs horizontal). It needs a permitted install with a properly built curb or slab and an EPA 608-certified technician for the refrigerant circuit.
Maintenance
Replace the filter every 1–3 months, keep the outdoor cabinet clear, and have a technician check both the heating and cooling sides annually since both live in one unit.
Trane A5PG3042A1090 — questions
How much does the Trane A5PG3042A1090 cost?
The market median is $4,000 (typical $4,000 to $4,000). No single retailer lists this exact model for direct purchase right now — that figure is the aggregated market benchmark, equipment only.
Is that the installed price?
No — this is the equipment (box) price. A full installed gas furnace (matched components, labor, permits) costs significantly more, and that install markup is where quotes vary most.
What refrigerant does the A5PG3042A1090 use?
The Trane A5PG3042A1090 uses R-454B.
Does the Trane A5PG3042A1090 qualify for a federal tax credit?
The federal 25C credit applied only to systems placed in service on or before December 31, 2025, so it does not apply to new installs after that date. State and utility rebates (via DSIRE) may still apply — confirm eligibility with your installer and a tax advisor.
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