AUX Mini Split Review 2026
Best ultra-budget mini split
SEER2
15–19
HSPF2
8–10
Price Range
$
Max Zones
3
Listed Compressor*
5 years
Federal 25C Status
The federal 25C credit ended for property placed in service after December 31, 2025.
Current utility, state, and manufacturer eligibility varies and must be confirmed in writing for the selected equipment and project.
Is AUX mini-split any good?
Yes — AUX mini-splits are a strong value pick. Our editorial score is 4.0/5 based on published efficiency, climate fit, warranty, features, and price positioning. AUX is associated with AUX Group; confirm the exact model platform, parts path, and coverage rather than assuming they are shared. For a Long Island home, compare the exact matched system and written installation scope because design and commissioning can matter as much as the badge on the equipment.
Our Review Process
Ratings are editorial comparison scores—not customer reviews, installation counts, or manufacturer endorsements.
AUX Mini Split Planning for Nassau County & Covered Western Suffolk Areas
A useful AUX comparison starts with the exact indoor and outdoor model pairing—not the brand name alone. Home+ Air & Heat can review AUX mini split options for homes in our covered Nassau County and western Suffolk service areas, then document whether the proposed equipment, capacity, electrical scope, and installation approach fit the project.
Before work is authorized, ask for the design method, AHRI match where applicable, installer or dealer qualification required by the manufacturer, registration responsibility, parts coverage, labor coverage, exclusions, and current incentive assumptions in writing. Those details vary by model, project, contractor status, installation date, and current program rules.
What Stands Out About AUX
Published comparison points to verify against the exact proposed system
Established Brand History
AUX traces its company history to 1986. Product-line age and local support should still be checked for the exact model.
Serviceability Check
AUX parts channels, technical support, and local service options can differ by model. Confirm them before selecting equipment.
AUX At a Glance
Efficiency Range
Top AUX Mini Split Models
Editorial Review: AUX Mini Splits
AUX is #19 in our 2026 value mini-split comparison. Our brand-level data lists 15–19 SEER2 and 8–10 HSPF2 across the lineup. Cold-weather capacity must be checked on the exact matched system. Listed configurations extend to 3 zones, subject to model-specific combination and connected-capacity rules. These are comparison values, not a project specification: confirm the exact indoor/outdoor match, design conditions, controls, electrical and permit scope, current warranty terms, and any incentive assumptions in writing before purchase.
"AUX stands out for best ultra-budget mini split, making them a strong ductless choice for Long Island homes."
— Home+ Air & Heat editorial review
Pros
- Ultra-affordable pricing
- Basic inverter technology
- Good for single rooms
- Simple installation
Cons
- Very limited US support
- Short warranty
- Basic features
- Quality uncertainty
AUX Zone Configuration Guide
AUX supports up to 3 zones per outdoor unit — here's how to choose
Single Zone
Perfect for one room: bedroom, home office, sunroom, or garage conversion.
Dual Zone
Cover two rooms with independent temperature control from one outdoor unit.
Tri Zone
Most PopularMost popular config for Nassau County split-levels and ranch homes.
AUX Mini Split Costs by Zone Count
Planning ranges before a site-specific design, written scope, and separately verified incentives
Single Zone
One room or area
- 1 indoor + 1 outdoor unit
- Bedroom, office, or addition
- 15–19 SEER2
2–3 Zones
Multi-room planning example
- Multi-zone outdoor unit
- Independent temperature control
- Compare connected-capacity limits
4+ Zones
Whole-home ductless
- Up to 3 zones available
- Replaces central system
- Maximum comfort control
Review Current Incentives Before Calculating Net Cost
Federal 25C ended for property placed in service after December 31, 2025. Utility, state, and manufacturer programs may still apply, but eligibility varies and must be confirmed in writing before any amount is subtracted from AUX installed pricing.
What Affects Your Final Price
Longer or concealed runs add material, labor, and access work
Panel capacity, disconnects, circuits, and wiring can change scope
Requirements and fees vary by jurisdiction and project scope
Exposure, insulation, windows, occupancy, and ceiling height affect selection
AUX Warranty Coverage
The values below are comparison data, not a warranty promise. Confirm the exact indoor and outdoor model, registration deadline, residential-use rules, installer or dealer requirements, exclusions, transfer terms, and who supplies labor coverage in current written documents.
Compressor
5 years
Parts
5 years
Labor
Varies
The written proposal should identify who registers the AUX equipment, the deadline, the exact covered models, and the documents you receive.
Unregistered, online-purchased, transferred, commercial-use, or non-qualifying installations may have different terms. Verify before purchase.
Final Verdict: AUX
out of 5
Recommended
Why Choose AUX
- Ultra-affordable pricing
- Basic inverter technology
- Good for single rooms
- Simple installation
Considerations
- • Very limited US support
- • Short warranty
- • Basic features
- • Quality uncertainty
The Bottom Line
AUX is best for best ultra-budget mini split. With value tier quality at the $ price point, we confidently recommend AUX for Long Island homeowners seeking reliable ductless solutions.
AUX Mini Split FAQs
Get a AUX Quote
Written project scope • Current availability confirmed when you book
The brand matters less than the installer
A great mini-split installer on Long Island will outperform a premium unit installed poorly. Use the verification checklist and three-estimate worksheet before you sign anything.
Open the contractor comparison guideEfficiency Range
📘 Mini Split Buying Guide
6-step guide to choosing the right ductless system for your Nassau County home.
Read the Guide →Use ← → arrow keys to navigate between brands