Can I install the Senville AURA 18k 230V (SENA-18HF) myself, or do I need a pro?

Senville AURA 18k 230V (SENA-18HF) is built for professional installation: the line set must be flared, evacuated, and charged, which requires EPA-certified refrigerant handling. Installing it outside the manufacturer's requirements can void the warranty, so budget for a qualified HVAC installer.

Will the Senville AURA 18k 230V (SENA-18HF) keep heating in a cold winter?

Rated heating operation extends down to -22 F. Certified heating efficiency is 11 HSPF2. Match that published heating floor against your climate's design temperature - below the low-ambient rating, output can fall off or the system can pause to protect itself.

What electrical circuit does the Senville AURA 18k 230V (SENA-18HF) need?

Published electrical requirements: 208/230V voltage, 16 A minimum circuit ampacity, and 20 A maximum breaker or fuse sizing. Confirm the final circuit against the unit nameplate and local code with a licensed electrician.

What warranty does the Senville AURA 18k 230V (SENA-18HF) carry?

The manufacturer publishes 5 years parts coverage and 10 years compressor coverage. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.

Senville / AURA

Senville AURA 18k 230V (SENA-18HF)

Model data is drawn from manufacturer, retailer, and certification sources. Missing specifications remain marked as not published.

1 zoneProfessional installProfessional installCurrent

Senville AURA 18k mini-split heat pump indoor wall unit and outdoor condenser

Image: Senville

Data completeness: 80%

Last verified: Jul 18, 2026

SplitAtlas score

not yet rated - we score against comparable systems, and this class needs more verified models first.

Methodology

we score against comparable systems, and this class needs more verified models first (1/4 rated systems)

1. Summary

The AURA 18k brings the line's cold-climate credentials to larger rooms: a published -22F heating floor - the deepest in our 18k class - at a typically lower price than its MRCOOL DIY rival, though its certified efficiency (SEER2 21.4 / HSPF2 11.0) trails the MRCOOL's slightly. Professional installation and a 230V circuit are the cost of entry.

Rated cooling

18,000BTU/hVerified - AHRI certificate

Rated heating

18,000BTU/hVerified - AHRI certificate

2. Best-fit use cases

Living areas and additions in cold climates carrying real winter heating duty, installed by a pro.

3. Key specifications

Manufacturer: Senville
Brand: Senville
Product line: AURA
Model number: SENA-18HF-IGG indoor / SENA-18HF-OG outdoor
Indoor unit model: SENA-18HF-IGG
Outdoor unit model: SENA-18HF-OG
Number of zones: 1
Max indoor units: not published
Rated cooling capacity: 18,000 BTU/hVerified - AHRI certificate
Rated heating capacity: 18,000 BTU/hVerified - AHRI certificate
Voltage: 208/230VVerified - manufacturer product page
MCA: 16 AVerified - manufacturer product page
Maximum fuse or breaker size: 20 AVerified - manufacturer product page
Breaker needed: not published
SEER2: 21.4 SEER2Verified - AHRI certificate
EER2: 12.5 EER2Verified - AHRI certificate
HSPF2 (Region 4): 11 HSPF2Verified - AHRI certificate
HSPF2 (Region 5): 9.2 HSPF2Verified - manufacturer product page
COP: not published
COP at 47F: not published
COP at 5F: not published
Minimum outdoor heating temperature: -22 FVerified - manufacturer product page
Minimum outdoor cooling temperature: not published
Maximum outdoor temperature: not published
Indoor noise range: 49-27 dB(A)Verified - manufacturer product page
Outdoor noise rating: 59 dBAVerified - manufacturer product page
Indoor weight: 33.51 lbVerified - manufacturer product page
Outdoor weight: 101.41 lbVerified - manufacturer product page
Refrigerant: R454BVerified - manufacturer product page
Refrigerant charge: 50.91 ozVerified - manufacturer product page
Manufacturer coverage: not published
Line-set size: not published
Included line-set length: not published
Maximum line-set length: not published
Max line set per indoor: not published
Maximum elevation difference: not published
Max height between indoor units: not published
Wi-Fi support: supportedVerified - manufacturer product page
Energy Star status: certifiedVerified - manufacturer product page
AHRI certification number: 215735297Verified - AHRI certificate
Warranty: 5 years parts / 10 years compressor. 10-year compressor and 5-year parts warranty; professional installation required.
DIY installation status: Professional install
Retail price: $1,599.99
Installation type: Professional install
Available retailers: Senville
Manual links: Senville AURA R454B Installation Manual (IGG/OG), Senville AURA R454B Owner Manual (IGG/OG), Senville AURA R454B Service Manual (IAA/OG)
Specification sheet: not published
Last verified date: Jul 18, 2026

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Check price at Senville

$1,600 / Fresh price - checked Jul 18, 2026

Parts & filters

Fits Senville AURA 18k 230V (SENA-18HF). Part numbers and fit notes identify compatibility only; no manufacturer endorsement is implied.

filter-optional

High density filter (optional accessory)

Fits: Senville AURA 18k 230V (SENA-18HF)
Fit note: Fits SENA-18HF. Senville lists a high-density filtration element as an optional accessory for the AURA line, on top of the standard washable screen. Order through Senville support with your model number - no part number is published in the catalog.
Source: Senville Product Catalog, Features AURA - Optional Features, page p. 3 (HIGH DENSITY FILTER)

air-cleaning-accessory

Plasma ionizer (optional accessory)

Fits: Senville AURA 18k 230V (SENA-18HF)
Fit note: Fits SENA-18HF. An optional air-cleaning module for the AURA indoor unit, listed in Senville's catalog; availability is confirmed at order time through Senville support.
Source: Senville Product Catalog, Features AURA - Optional Features, page p. 3 (PLASMA IONIZER)

wired-control

Wired wall controller (optional accessory)

Fits: Senville AURA 18k 230V (SENA-18HF)
Fit note: Fits SENA-18HF. A wired wall thermostat-style controller is available as an AURA option - useful where the handheld remote is impractical (rentals, commercial spaces).
Source: Senville Product Catalog, Features AURA - Optional Features, page p. 3 (WIRED CONTROL)

remote-control

Remote control (Follow Me)

Fits: Senville AURA 18k 230V (SENA-18HF)
Fit note: Fits SENA-18HF. The standard AURA remote includes the Follow Me ambient sensor; replacements are ordered through Senville support with your model number.
Source: Senville Product Catalog, Features AURA - Standard Features, page p. 3 (FOLLOW ME)

Replacement Parts & Filters

4. Strengths

Published -22F minimum heating ambient - the deepest heating floor among our published 18k systems.
Typically the lower equipment price at 18k, with certified efficiency only slightly behind the DIY alternative.
Wi-Fi control included.

5. Weaknesses

Professional install required (flare, evacuate, verify) with warranty tied to qualified installation.
Rated heating output at 5F is not published for this size - the -22F floor tells you it runs, not how much heat it delivers there.
Senville marketing efficiency figures for this size exceeded the AHRI certificate in our checks; we publish the certified number.

6. Climate suitability

Minimum heating ambient: -22 FVerified - manufacturer product page
Rated heating at 5F: not published
Rated heating at 17F: not published
Rated heating at 47F: not published

7. Electrical requirements

Voltage: not published
Voltage range: 208/230VVerified - manufacturer product page
Phase: 1Verified - manufacturer product page
Frequency: 60 HzVerified - manufacturer product page
MCA: 16 AVerified - manufacturer product page
Breaker needed: not published
Maximum breaker size: not published
Maximum fuse size: 20 AVerified - manufacturer product page
Maximum cooling current: not published
Maximum heating current: not published
Manufacturer wire notes: not published

8. Installation considerations

Liquid line: not published
Suction line: not published
Precharged length: not published
Included line-set length: not published
Maximum line-set length: not published
Max line set per indoor: not published
Max height between indoor units: not published
Indoor dimensions: 40.55 x 8.46 x 13.39 inVerified - manufacturer product page
Outdoor dimensions: 33.27 x 14.29 x 27.64 inVerified - manufacturer product page
Indoor weight: 33.51 lbVerified - manufacturer product page
Outdoor weight: 101.41 lbVerified - manufacturer product page
Drain size: not published

9. Operating-cost estimate

not published

10. Comparable models

MRCOOL DIY vs Senville AURA (18,000 BTU) - The Garage & Great-Room Size

Side-by-side comparison

Frequently asked questions

Can I install the Senville AURA 18k 230V (SENA-18HF) myself, or do I need a pro?: Senville AURA 18k 230V (SENA-18HF) is built for professional installation: the line set must be flared, evacuated, and charged, which requires EPA-certified refrigerant handling. Installing it outside the manufacturer's requirements can void the warranty, so budget for a qualified HVAC installer.
Will the Senville AURA 18k 230V (SENA-18HF) keep heating in a cold winter?: Rated heating operation extends down to -22 F. Certified heating efficiency is 11 HSPF2. Match that published heating floor against your climate's design temperature - below the low-ambient rating, output can fall off or the system can pause to protect itself.
What electrical circuit does the Senville AURA 18k 230V (SENA-18HF) need?: Published electrical requirements: 208/230V voltage, 16 A minimum circuit ampacity, and 20 A maximum breaker or fuse sizing. Confirm the final circuit against the unit nameplate and local code with a licensed electrician.
What warranty does the Senville AURA 18k 230V (SENA-18HF) carry?: The manufacturer publishes 5 years parts coverage and 10 years compressor coverage. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.

11. Data sources

Senville: Senville SENA-18HF product pageVerified - manufacturer product page
Covers Frequency, Maximum fuse size, Minimum circuit ampacity, Phase, Voltage range, Indoor dimensions and more
AHRI: AHRI Certificate of Product Ratings ref 215735297 (parsed 2026-07-18)Verified - AHRI certificate
Covers AHRI certification number, Rated cooling capacity, EER2, Rated heating capacity, HSPF2 (Region 4), SEER2

12. Last updated date

Jul 18, 2026