Daikin · Mini Split Condenser

Daikin 5MXT40AVJU9 — 40,000 BTU/h

Daikin 5MXT40AVJU9 40,000 BTU 5 Zone Aurora Low Temp Multi-Zone Heat Pump- R32

Market median
$5,997
Typical range $5,997 to $5,997 across 1 market listing. No direct-buy retailer is listed for this exact model right now. Seen it priced or quoted? Help us benchmark it →

Specifications

Capacity (BTU/h)40,000 BTU/h

Specs are decoded from the model number and retailer listings. Confirm against the manufacturer submittal sheet before purchase.

Efficiency & refrigerant

This unit uses R-32, 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 air-source or ductless heat pump may have qualified for the federal 25C Energy Efficient Home Improvement Credit (up to $2,000) if it met the CEE highest-efficiency tier (ENERGY STAR Most Efficient) 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.

Opens the DSIRE database of state & utility incentives for your area in a new tab. Many local utilities offer rebates on high-efficiency HVAC that stack with any state programs.

Official documents

Find the manufacturer's submittal sheet, installation manual, owner's manual, and warranty for the Daikin 5MXT40AVJU9:

Search Daikin literature for 5MXT40AVJU9 →

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 5MXT40AVJU9 →

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 ductless mini-split is sized per zone, not per house — oversizing a single head causes short-cycling and poor dehumidification. Match the outdoor unit to the indoor head(s) and confirm the line-set length limits and maximum elevation difference for the model. Installation requires a permit in many jurisdictions and an EPA 608-certified technician for the refrigerant connections; a precise vacuum/charge is what makes a mini-split last.

Maintenance

Wash the indoor head filters monthly, keep the outdoor unit clear, and have the indoor blower wheel and drain professionally cleaned periodically — mini-split heads are prone to drain-line mold if neglected.

Daikin 5MXT40AVJU9 — questions

How much does the Daikin 5MXT40AVJU9 cost?

The market median is $5,997 (typical $5,997 to $5,997). 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 mini split condenser (matched components, labor, permits) costs significantly more, and that install markup is where quotes vary most.

What refrigerant does the 5MXT40AVJU9 use?

The Daikin 5MXT40AVJU9 uses R-32.

Does the Daikin 5MXT40AVJU9 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.

Related models

More Mini-Splits & Ductless

More from Daikin

All Mini-Splits & Ductless prices →  ·  All Daikin models →

Buyer guides

Is this price fair?

Homeowner: check if your installed quote is fair → Contractor: see your price vs the market →