Daikin · HeatKit
Daikin WXD4504 — 12.5 ton
Daikin Commercial (7.5-12.5 Ton) 45kW 208/240V Three Phase Heat Strip WXD4504
Comparable 12.5-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.
| Model | From | Compare |
|---|---|---|
| Trane TTA150K4D · two-piece system | $9,172 | 1 listing |
Specifications
| Tonnage | 12.5 ton |
Specs are decoded from the model number and retailer listings. Confirm against the manufacturer submittal sheet before purchase.
Efficiency & refrigerant
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
This category does not have its own line in the federal 25C tax credit. Some matched-system components may still factor into a qualifying installation — confirm with your installer. See the federal credit details →
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 Daikin WXD4504:
Search Daikin literature for WXD4504 →
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 WXD4504 →
A retailer "system bundle" is not proof of an AHRI reference number. Verify the match in the AHRI Directory.
Before you buy or install
Size HVAC equipment from a Manual J load calculation, not square-footage rules of thumb, and confirm every matched component (indoor/outdoor) lines up — a mismatch voids the warranty and the rated efficiency. Most installations require a permit and, where refrigerant is involved, an EPA Section 608-certified technician. This is not a DIY job.
Maintenance
Replace or clean filters on schedule, keep coils and condensate drains clear, and have the system professionally serviced annually to hold its rated efficiency.
Daikin WXD4504 — questions
How much does the Daikin WXD4504 cost?
The market median is $1,639 (typical $1,639 to $1,639). 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 heatkit (matched components, labor, permits) costs significantly more, and that install markup is where quotes vary most.
Does the Daikin WXD4504 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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