Dehumidifiers / AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) vs Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09)
AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump)
$1147.11
VSIvation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09)
$299.99
AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) vs Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09)
AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump)
The cold-crawlspace answer: 33.8°F, hot-gas defrost, 6-year cover, no ENERGY STAR listing.
Wins overall by 1.7 points
Quick Verdict
A 1.7-point gap makes the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) the straightforward choice here. The cold-crawlspace answer: 33.8°F, hot-gas defrost, 6-year cover, no ENERGY STAR listing.
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) and Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) are both current-generation dehumidifier models, and the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) is $847.10 cheaper than the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) ($299.99 vs $1,147.11). On Moisture Removal, the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) leads (9.0 vs 4.0/10) — actual water pulled out of the air per day at a condition a home experiences, judged against the DOE-verified figure rather than the coverage claim on the box. On Quietness, the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) leads (8.0 vs 3.5/10) — measured dB where published, weighted by where the machine actually lives — a 58 dBA crawlspace unit under a floor is fine, a 54 dB cube next to a desk is not. On Capacity-Claim Honesty, the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) leads (7.0 vs 3.0/10) — this category's trap dimension. Since the DOE changed the test condition from 80°F/60% RH to 65°F/60% RH in 2019, the same machine that was a '70 pint' is now a '50 pint' — and manufacturers freely mix the two scales, plus a third 'saturation' figure taken at 95°F/90% RH. A high score means the pint number on the box matches the DOE Appendix X1 figure the manufacturer filed with ENERGY STAR. A low score means the marketing number is measured somewhere the buyer's house never is.. Overall, the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) scores 7.1/10 across our 8 scoring categories versus 5.4/10 for the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09). Below, we break down the full spec sheet, category-by-category scores, and exactly who should buy which one.
Side-by-Side Comparison
| Spec | AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) | Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) |
|---|---|---|
| Price | $1147.11 | $299.99 |
| Release Year | 2019 | 2019 |
| Rated Capacity (and Which Standard) | AlorAir publishes both numbers, which is more than most: "198 PPD at Saturation, 90 Pints (AHAM)". The AHAM figure is at 80°F/60% RH — the pre-2019 portable condition — so a "90 pint" AlorAir is NOT twice a "50 pint" Frigidaire; the two are measured 15°F apart | Sources conflict, and the conflict is the whole story: Ivation's own product page states "13 pints per day at 60% RH, 68°F" while the product is sold everywhere — Best Buy, Walmart, Lowe's, Amazon — as a "19 Pint" dehumidifier. Neither figure is a DOE Appendix X1 (65°F/60% RH) rating |
| ENERGY STAR / DOE Verified Capacity ( pints/day) | None. The Sentinel HDi90 does not appear in the ENERGY STAR Certified Dehumidifiers database — AlorAir's only certified models there are the Helios D35, Sentinel HD55S and Sentinel Pro35X. This matters because amgair.com's listing for the HDi90 states "Energy Star listed", which the database does not support | None. Ivation does not appear in the ENERGY STAR Certified Dehumidifiers database. Desiccant units are not covered by the DOE portable-dehumidifier test procedure, so no third-party-verified capacity exists for any desiccant unit sold in the US |
| Technology & Refrigerant | Compressor (refrigerant), R32, 5.56 A at 115V, 210 CFM / 350 CMH, COP quoted by AlorAir as 2.69 L/kWh | Desiccant rotor. Air passes through a moisture-adsorbing wheel which is then regenerated by a heater; the driven-off water is condensed into the tank. No refrigerant, no compressor, no coil |
| Low-Temperature Operation & Defrost | 33.8°F to 104°F with automatic hot-gas defrost — the widest usable range of any compressor unit here and the entire reason it costs four times a portable. In a 45-55°F crawlspace this is the compressor unit that keeps working | The reason to buy this. Best Buy's spec sheet gives an operating range of 33°F to 104°F (1°C to 40°C). A compressor unit in a 55°F basement spends much of its runtime in defrost; a desiccant rotor does not care. Desiccants also warm the room slightly, which is a feature in a cold crawlspace and a nuisance in July |
| Claimed Coverage | 2,600 sq ft (AlorAir and Amazon); amgair.com expresses the same machine as "up to 15,000 cubic feet" | 410 sq ft (Ivation, and every retailer agrees on this one) |
| Tank Capacity & Refill Interval | None — there is no bucket. It is pump-drained only, by design. That removes the emptying problem entirely and creates a hard dependency on the pump | Sources conflict: Ivation's own page says "0.75 gal (2.8L) tank"; Best Buy's spec sheet says "½-gallon tank". At the manufacturer's own 13 pints/day that is between two and three emptyings a day without a hose |
| Continuous Drainage (Hose, Gravity, Pump Lift) | Heavy-duty built-in condensate pump with drain hose. AlorAir publishes no lift height for the HDi90's pump. Pump-only means a pump failure stops the machine, unlike a bucket unit | Continuous gravity drain with the hose included in the box. No pump — the outlet has to sit above the drain, which in a crawlspace usually means a condensate pump bought separately |
| ENERGY STAR Status | NOT certified — the HDi90 is absent from the ENERGY STAR database despite a retailer listing describing it as Energy Star listed | Not ENERGY STAR certified and not eligible — the programme's dehumidifier scope does not cover desiccant units |
| Annual Running Cost | Not published as an annual figure. At 5.56 A / 115V (about 639W) running the long hours a crawlspace unit runs, this is a several-hundred-kWh-per-year machine; AlorAir's 2.69 L/kWh COP is respectable but there is no ENERGY STAR kWh/yr number to check it against | Not published. Ivation publishes no wattage for this model and there is no ENERGY STAR annual-energy figure. Desiccant units carry a regeneration heater and typically draw several hundred watts continuously, so expect running cost well above a compressor unit of similar output — this is the price you pay for cold-room capability |
| Noise | <58 dBA (AlorAir). Loudest here, which is acceptable under a floor and not in a bedroom | No dB figure published. Ivation claims "whisper quiet"/"nearly silent"; there is no compressor to cycle, but there is a continuous fan |
| Warranty (incl. Sealed System) | Sources conflict on length: AlorAir's own page and the Amazon listing say "6-Year Limited Warranty - First 2 Years Full Coverage"; a reseller listing for the same ASIN says 5 years. Either way it is the longest cover in this comparison and it does include the sealed system | Not published on Ivation's product page, Best Buy's listing or Walmart's. Ivation's standard consumer warranty is 12 months; confirm at purchase |
| Recall History | No CPSC recall found for AlorAir | Ivation appears on the CPSC's 4 August 2021 New Widetech recall of approximately 2 million dehumidifiers (25- to 74-pint compressor models sold February 2009 to August 2017, 107 overheating/fire incidents, ~$17M property damage). That recall covers Ivation's older compressor units, not this desiccant model — but it is the brand's history and worth knowing |
| Warranty | 72 months | 12 months |
| Colors | Blue | White |
Category Scores
Capacity-Claim Honesty
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) leads clearly here, 7.0 against 3.0 — a 4.0-point margin on this category's trap dimension. Since the DOE changed the test condition from 80°F/60% RH to 65°F/60% RH in 2019, the same machine that was a '70 pint' is now a '50 pint' — and manufacturers freely mix the two scales, plus a third 'saturation' figure taken at 95°F/90% RH. A high score means the pint number on the box matches the DOE Appendix X1 figure the manufacturer filed with ENERGY STAR. A low score means the marketing number is measured somewhere the buyer's house never is.. If that is what you are buying for, the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) does not close the gap elsewhere.
Moisture Removal
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) leads clearly here, 9.0 against 4.0 — a 5.0-point margin on actual water pulled out of the air per day at a condition a home experiences, judged against the DOE-verified figure rather than the coverage claim on the box. If that is what you are buying for, the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) does not close the gap elsewhere.
Cold-Room Performance
The Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) leads clearly here, 9.5 against 9.0 — a 0.5-point margin on what happens in a 50-55°F basement, garage or crawlspace. Compressor coils frost below roughly 65°F and auto-defrost buys back the coil at the cost of runtime; desiccant rotors and hot-gas-defrost units do not care. The single most common mis-buy in the category. If that is what you are buying for, the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) does not close the gap elsewhere.
Drainage & Tank Practicality
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) leads clearly here, 8.5 against 5.5 — a 3.0-point margin on tank volume measured against daily output, whether a hose is in the box, whether gravity drainage needs the unit propped up, and whether there is a real pump and how high it lifts. If that is what you are buying for, the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) does not close the gap elsewhere.
Running Cost
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) leads clearly here, 4.0 against 3.5 — a 0.5-point margin on the kWh/yr on the ENERGY STAR certification and what it costs at the meter. On a machine that runs most of the year this dominates total ownership cost — often a third of the purchase price annually. If that is what you are buying for, the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) does not close the gap elsewhere.
Quietness
The Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) leads clearly here, 8.0 against 3.5 — a 4.5-point margin on measured dB where published, weighted by where the machine actually lives — a 58 dBA crawlspace unit under a floor is fine, a 54 dB cube next to a desk is not. If that is what you are buying for, the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) does not close the gap elsewhere.
Build & Warranty
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) leads clearly here, 9.0 against 5.0 — a 4.0-point margin on coil and cabinet construction, filter grade, and above all the warranty on the sealed system — the compressor is the part that fails and the part most portables cover for only twelve months. If that is what you are buying for, the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) does not close the gap elsewhere.
Value for Money
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) leads clearly here, 6.5 against 4.5 — a 2.0-point margin on purchase price plus multi-year electricity against verified pints removed and how long the warranty protects the compressor. If that is what you are buying for, the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) does not close the gap elsewhere.
Best For
Choose the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) if…
- • Moisture Removal matters most to you — the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) scores 9.0/10 here (actual water pulled out of the air per day at a condition a home experiences, judged against the DOE-verified figure rather than the coverage claim on the box).
- • Capacity-Claim Honesty matters most to you — the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) scores 7.0/10 here (this category's trap dimension. Since the DOE changed the test condition from 80°F/60% RH to 65°F/60% RH in 2019, the same machine that was a '70 pint' is now a '50 pint' — and manufacturers freely mix the two scales, plus a third 'saturation' figure taken at 95°F/90% RH. A high score means the pint number on the box matches the DOE Appendix X1 figure the manufacturer filed with ENERGY STAR. A low score means the marketing number is measured somewhere the buyer's house never is.).
- • Build & Warranty matters most to you — the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) scores 9.0/10 here (coil and cabinet construction, filter grade, and above all the warranty on the sealed system — the compressor is the part that fails and the part most portables cover for only twelve months).
- • Drainage & Tank Practicality matters most to you — the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) scores 8.5/10 here (tank volume measured against daily output, whether a hose is in the box, whether gravity drainage needs the unit propped up, and whether there is a real pump and how high it lifts).
- • Your main use case is basement.
Choose the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) if…
- • Quietness matters most to you — the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) scores 8.0/10 here (measured dB where published, weighted by where the machine actually lives — a 58 dBA crawlspace unit under a floor is fine, a 54 dB cube next to a desk is not).
- • You want to spend less — it's $847.10 cheaper.
- • Your main use case is closet-bathroom.
Pros & Cons
AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump)
Pros
- +33.8°F minimum with hot-gas defrost — the only compressor unit here that genuinely earns a cold crawlspace
- +Publishes both saturation and AHAM capacity side by side instead of quoting only the flattering one
- +6-year limited warranty (first 2 years full) against 1 year from every portable here
- +No bucket to empty, ever, and it can be hung off the joists out of the mud
Cons
- −amgair.com's listing calls it "Energy Star listed"; it is not in the ENERGY STAR certified database — only three other AlorAir models are
- −"90 pints" is an AHAM 80°F figure and is not comparable to the 50-pint DOE figures of the portables it will be cross-shopped against
- −Pump-only drainage means no fallback if the pump fails
- −<58 dBA and no published annual energy figure, on a machine that runs nearly continuously
- −Warranty is published as both 5 and 6 years for the same ASIN, and the stock filter is only MERV-1
Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09)
Pros
- +Works down to 33°F, so it is the correct answer for a 50-55°F basement, garage or crawlspace where a compressor unit frosts
- +No compressor means no start-stop thump through a floor and no defrost dead time
- +Drain hose is actually in the box, which is not true of most compressor units at this price
- +Light and genuinely portable, unlike the 40+ lb compressor units it competes with
Cons
- −Sold as "19 Pint" while Ivation's own page rates it at 13 pints/day at 68°F — a 46% gap in the manufacturer's own published figures
- −$299.99 buys roughly a quarter of the daily water removal of a $242 hOmeLabs 50-pint
- −Regeneration heater makes it the second-most expensive unit here to run per pint, and Ivation publishes no wattage at all
- −Tank capacity is published two ways (0.75 gal by Ivation, 0.5 gal by Best Buy) and neither lasts a day without the hose
- −Ivation-branded compressor dehumidifiers were part of the 2021 New Widetech CPSC recall
Shop by Need
FAQs
Is the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) or Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) better overall?+
Based on our 8-category scoring, the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) comes out ahead overall. See the full breakdown in the scores section above — the right pick still depends on which categories matter most for your use case.
Which is better for Moisture Removal, the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) or the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09)?+
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) scores higher on Moisture Removal (9.0/10 vs 4.0/10) — actual water pulled out of the air per day at a condition a home experiences, judged against the DOE-verified figure rather than the coverage claim on the box.
Which is better for Quietness, the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) or the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09)?+
The Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) scores higher on Quietness (8.0/10 vs 3.5/10) — measured dB where published, weighted by where the machine actually lives — a 58 dBA crawlspace unit under a floor is fine, a 54 dB cube next to a desk is not.
Which is better for Capacity-Claim Honesty, the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) or the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09)?+
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) scores higher on Capacity-Claim Honesty (7.0/10 vs 3.0/10) — this category's trap dimension. Since the DOE changed the test condition from 80°F/60% RH to 65°F/60% RH in 2019, the same machine that was a '70 pint' is now a '50 pint' — and manufacturers freely mix the two scales, plus a third 'saturation' figure taken at 95°F/90% RH. A high score means the pint number on the box matches the DOE Appendix X1 figure the manufacturer filed with ENERGY STAR. A low score means the marketing number is measured somewhere the buyer's house never is..
Which is better for Build & Warranty, the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) or the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09)?+
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) scores higher on Build & Warranty (9.0/10 vs 5.0/10) — coil and cabinet construction, filter grade, and above all the warranty on the sealed system — the compressor is the part that fails and the part most portables cover for only twelve months.
Is the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) worth the price difference over the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09)?+
The Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) is the cheaper option at $299.99 versus $1,147.11. Whether the pricier model is "worth it" depends on how much you value its lead in Moisture Removal.
Which is better suited to my use case?+
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) is the better fit if you mainly care about basement. The Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) is the better fit for closet-bathroom.
What's the warranty on the AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) vs the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09)?+
The AlorAir Sentinel HDi90 Crawl Space Dehumidifier (built-in pump) ships with a 72-month warranty; the Ivation 19 Pint Small-Area Desiccant Dehumidifier (IVADDH09) ships with a 12-month warranty. Always confirm current terms on the manufacturer's site before buying.
Should I wait for the next model instead of buying either of these?+
If either model is more than two years old, a successor may be close — check the "Latest Model" link on each product page. Otherwise, both are current, well-supported options and there's no strong reason to wait.
Cheaper Option
Frigidaire FHDD2234W1 22-Pint Dehumidifier with Wi-Fi — $219.00
Premium Option
AprilAire E070 70-Pint Crawl Space / Whole-House Dehumidifier — $1441.00
Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.