Trane · Compressor
Trane A5AC4018A1000 — 1.5 ton
Trane 1.5 Ton 14 SEER2 Single Stage Air Conditioner A5AC4018A1000
Comparable 1.5-ton systems from other brands
Same size, different brands, cheapest first. An “outdoor unit only” price doesn't include the matched indoor unit — don't compare it 1:1 against a two-piece system. Pick a brand, then open it to compare the price across every retailer that lists it.
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| Wrangler WR-GLXS4BA1810 | $1,221 | 1 listing |
| Rheem Select WA14AY18AJ1NA · outdoor unit only | $1,749 | 1 listing |
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| York YC418E2S11 · outdoor unit only | $2,095 | 1 listing |
| Rheem / Ruud RA14AY18AJ1NA · outdoor unit only | $2,223 | 1 listing |
| Daikin DZR18TB0514 · outdoor unit only | $4,240 | 1 listing |
Specifications
| SEER2 | 14 |
| Tonnage | 1.5 ton |
Specs are decoded from the model number and retailer listings. Confirm against the manufacturer submittal sheet before purchase.
Efficiency & refrigerant
SEER2 14 is the current cooling-efficiency rating (the 2023 successor to SEER, measured under more realistic duct conditions). A higher SEER2 means lower cooling bills for the same comfort; current federal minimums are 13.4–14.3 SEER2 depending on region and equipment type. Refrigerant type was not published for this listing. Note the 2025 transition: new residential systems must now use low-GWP refrigerant (R-454B or R-32) under the EPA AIM Act, while existing R-410A units remain serviceable.
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 A5AC4018A1000:
Search Trane literature for A5AC4018A1000 →
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 A5AC4018A1000 →
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 condenser is only correctly sized after a Manual J load calculation — bigger is not better; an oversized unit short-cycles, runs humid, and wears out early. It must be matched to the right indoor coil and air handler/furnace: a mismatched coil voids the manufacturer warranty and breaks the rated efficiency. Installation requires a permit in most jurisdictions and an EPA Section 608-certified technician to handle refrigerant — this is not a DIY job.
Maintenance
Keep the outdoor coil clear of leaves and debris, rinse it gently each season, and keep two feet of clearance around the cabinet. Have a technician check refrigerant charge and electrical connections annually.
Trane A5AC4018A1000 — questions
How much does the Trane A5AC4018A1000 cost?
The market median is $1,375 (typical $1,375 to $1,375). 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 compressor (matched components, labor, permits) costs significantly more, and that install markup is where quotes vary most.
Does the Trane A5AC4018A1000 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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