
AIRCARE Space Saver Large Evaporative Whole House Commercial 6 Gallon Humidifier for Large Rooms 2
By AIRCARE · Humidifiers · Home & Workspace
- 6-gallon water capacity
- up to 2,700 sq ft coverage
- up to 70 hours run time per fill
- 3 fan speeds with adjustable humidistat
- evaporative cool mist using the 1043 SuperWick
Price not listed
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Summary
A floor-standing evaporative humidifier with a 6-gallon top-fill cabinet and digital controls, built for a large, interconnected living area where owners prefer wick evaporation over ultrasonic mist. Check your water hardness and your noise tolerance before you buy: hard water loads the 1043 wick fast, the manual asks for cleaning every two weeks, and owners repeatedly describe the fan as loud on medium and high.
Strengths
- Top filling: owners pour gallon jugs into the cabinet instead of carrying tanks; one r/homeowners owner ran one for three or four years.
- No white dust: the wick keeps minerals out of the air, so tap water is feasible where it is not for ultrasonic units.
- Whole-house reach: two 831000 units held about 40–45% RH in a 3,000-square-foot house, per an r/vegaslocals owner.
- Low speed fits daily life: owners call F1 tolerable in occupied rooms and raise the speed when away.
- Cheap mechanical wear parts: floats, rods and clips cost dollars, and AIRCARE stocks exact replacements.
- Backed by a 2-year maker warranty plus 90-day store returns at Home Depot.
Weaknesses
- Fan noise: medium and high speeds are repeatedly described as loud enough to disrupt a conversation.
- Hard water kills wicks: one well-water owner got about a month of nonstop winter use from a 1043 before minerals loaded it.
- Cleaning is a chore: the manual asks for cleaning every two weeks, with separate vinegar and bleach steps that must never be mixed.
- A full cabinet is about 50 lb of water: floor protection and a safe fill route matter more than on a tabletop unit.
- No smart features: no app, no Wi-Fi and no automatic water feed — this is manual filling only.
Verified specifications
| Model | AIRCARE Space Saver 831000 — white, floor-standing, digital controls; not the analog 836000HB. |
|---|---|
| Type | fan-assisted evaporative wick humidification, not ultrasonic mist, steam or fog. |
| Tank | 6 US gallons, about 22.7 liters; pour through the top, no tank to carry. |
| Coverage | up to 2,700 sq ft in tight construction, tied by the maker to an 8-foot ceiling. |
| Water output | up to 9 gallons per 24 hours; up to 70 hours between fills is a separate longest-runtime claim. |
| Power | 120 V AC, 60 Hz, 70 W; a technical distributor also lists 1.1 A. |
| Dimensions | 22.5 in high × 12.5 in wide × 17.5 in deep; about 14 lb shipping weight, roughly 50 lb of water in a full cabinet. |
| Controls | digital RH display, three fan speeds (F1, F2, F3), humidistat in 5-percentage-point increments; a 65% setting runs the unit continuously. |
| Safety behavior | stops when water is low and shows “F”; “CF” after 720 run hours is a check-filter reminder; an automatic dry-out cycle runs the fan low after the tank empties. |
| Wick | AIRCARE 1043 SuperWick, retail SKU 7V1043, about 11 × 12 × 4 in; one 1043 and a reusable frame come in the box. |
| In the box | unit, 1043 SuperWick, reusable wick frame, float assembly, four push-in casters. |
| Certifications | ETL listed on the historic spec sheet. |
| Warranty | 2 years on qualifying units, 30 days on disposable wicks, 90 days on separately purchased parts. |
Full research notes and sources
Filling, noise and placement
You fill the cabinet through the top with a jug, or with the optional 7V4400 hose ($11.49 direct from AIRCARE) at a sink faucet. A full cabinet holds roughly 50 lb of water, so plan a level, water-resistant spot at least four inches away from walls and curtains. The fan is the trade-off: F1 draws little complaint, but medium and high speed are described as loud enough to disrupt conversation, so most owners run low in occupied rooms and raise the speed when away. Whole-house performance needs air movement — closed doors, isolated second floors and aggressive venting defeat one portable unit, which is why one owner bought a second 831000 for upstairs. The humidistat reads air at the unit, so a separate hygrometer in the room you actually use is worth having.
Display codes and starting problems
The panel uses short codes rather than messages. “F” means fill. “CF” after 720 run hours is a check-filter reminder that resets on unplug — it is not a sensor proving the wick died at exactly 720 hours. A flashing “20” on updated documentation can simply mean room RH below 20%, and 65% is a continuous-run target, not a defective sensor. The float rod has to engage a microswitch under the cabinet; misassembled or missing float linkage keeps the fan off even with water in the tank. A January 2026 r/AskElectronics thread shows a new 831000 that would not power on — before opening anything, check water level, float placement, cord and humidity target, then use warranty service.
Wicks, parts and running costs
The 1043 is the routine consumable: about $24.99 at Home Depot or $31.99 direct from AIRCARE as of October 2026, with one included and replacement due at the start of each season, more often in hard water. The reusable frame (4V3398020GRYP, $7.00) survives wick changes — do not throw it out. Bacteriostat 7V1970 is $11.99 for 32 fl oz at 1 teaspoon per gallon, which is 6 teaspoons per full tank. Small mechanical parts are cheap: foam float $2.52, float rod $1.75, retainer clip $0.98, complete float and rod assembly $4.20. The fan motor and control board have no retail part numbers in the maker’s parts list, so a failed motor or controller means warranty service or a new unit, not a cheap fix.
One season at moderate use looks like this: 70 W for 12 hours a day over 120 days is 100.8 kWh, about $20.16 at an assumed $0.20 per kWh, plus two wicks at $49.98 — about $70.14 total before water and supplies. Adding two bacteriostat bottles ($23.98) brings it to about $94.12; a 24-hour continuous-draw scenario would be $40.32 of electricity and $114.28 with the same consumables. Water is usually minor: at a hypothetical $15 per 1,000 gallons, the 360 gallons in the 3-gallons-a-day example works out to $5.40. If your water hardness forces four wicks a year instead of two, add $49.98.
Is it worth it?
October 2026 checks had the 831000 at $149.99 at Home Depot (internet ID 206432279) and $149.99 at Walmart’s primary listing, with a parallel Walmart seller offer at $173.57; Sylvane showed $149.99 but backordered. AIRCARE direct lists $189.99, and an older Home Depot snapshot showed $134.99 during a seasonal event. At $136–155 it is fair for a proven platform with parts support; at $156–185 compare the AIRCARE MA0800 Mini-Console ($149.99, 2.5-gallon tank) or the Vornado Evap40 ($149.99, up to 1,000 sq ft, 5-year warranty). Above $186, skip the maker-direct listing; the Levoit Superior 6000S at $249.99 is the smart-evaporative alternative if app control matters more than the six-gallon tank.
Which model this is
This page covers the AIRCARE Space Saver 831000 digital evaporative humidifier, identified by AIRCARE’s own catalog and operation guide. The catalog title’s “for Large Rooms 2” does not mark a second hardware revision. Do not confuse it with the analog Space Saver 836000HB ($174.99 direct, 2,300 sq ft) or the smaller MA0800 Mini-Console — and treat “commercial” in reseller titles as marketing, since AIRCARE itself markets this as a portable home unit.
Sources
Manufacturer:
- AIRCARE Space Saver 831000 product page
- AIRCARE 831000 use and care guide
- AIRCARE Space Saver 836000HB (analog model)
- AIRCARE 1043 SuperWick 7V1043 ($31.99)
- AIRCARE 1043 reusable frame 4V3398020GRYP ($7.00)
- AIRCARE frame and wick bundle 4V3398020GRY ($29.40)
- AIRCARE foam float 1B5060400 ($2.52)
- AIRCARE float rod 1B72125 ($1.75)
- AIRCARE retainer clip 1B5460590 ($0.98)
- AIRCARE float and rod assembly 1B73136 ($4.20)
- AIRCARE optional fill hose 7V4400 ($11.49)
- AIRCARE bacteriostat 7V1970 ($11.99)
- AIRCARE warranty and shipping policy
- AIRCARE support and warranty registration
- AIRCARE support — display codes and float troubleshooting
Stores:
- Home Depot AIRCARE 831000 ($149.99, 90-day returns)
- Walmart AIRCARE 831000 ($149.99)
- Walmart Business 831000 listing
- Home Depot AIRCARE 1043 wick ($24.99)
- Sylvane AIRCARE 831000 ($149.99, backordered)
Manufacturer specs:
- PartsSource 831000 technical specifications
- Manuals+ 831000 wick mechanism and output
- ManualsLib 831000 troubleshooting and rear overflow
Independent reviews:
Owner reports:
- Three to four years on an 831000 (r/homeowners)
- Second unit for a second floor (r/centuryhomes)
- Hard-water wick lifetime (r/BuyItForLife)
- Two 831000 units in a 3,000-square-foot house (r/vegaslocals)
- Water use and indoor RH in Chicago (r/chicago)
- New 831000 would not power on (r/AskElectronics)
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