About Dehumidifier Sizing
Dehumidifier Sizing is an independent reference and calculator site focused on clear, current guidance for sizing residential and light‑commercial dehumidifiers.
Value prop
Clear, source‑backed dehumidifier sizing — matched to your space type, approximate square footage, and moisture conditions — so you can choose the right pint‑per‑day capacity with confidence.
What it does
Sizing primers and explainers
Plain‑language guides that demystify DOE 2019/2020 rating changes, how pint labels map to real performance, and when to size up or down. Outcome: faster, more confident capacity picks.
Modeled portable sizing hubs
Space‑by‑space hubs translate typical room/basement/crawl scenarios into recommended capacities across moisture bands. Outcome: a specific pint/day target for your situation.
Whole‑home orientation
Directional ranges for ducted models with links to manufacturer performance tables at design conditions. Outcome: a safe starting point before you check brand‑specific charts.
Source‑backed comparisons
Short comparisons and tradeoff notes that cite DOE/ENERGY STAR and published manufacturer data. Outcome: better decisions without marketing spin.
What makes us different
Anchored to DOE/ENERGY STAR, not legacy AHAM labels
We size against modern DOE 2019/2020 conditions (65°F test temp), then explain how that differs from older AHAM ratings.
Modeled recommendations, then “check the chart”
Portable picks come from a simple moisture‑load model; whole‑home guidance always points you to brand performance tables at your target temperature/RH.
Fair to manufacturers and retailers
Manufacturer charts are the authority for final selection; big‑box advice is useful but often coarse. We cite both and explain the gaps — respectfully and factually.
No pay‑to‑rank
We don’t sell placements. Where we use affiliate links, they’re disclosed and don’t change our recommendations.
Dates and primary sources on important claims
Key statements include links to DOE/ENERGY STAR or manufacturer documents with context and access dates.
Who uses this
- Homeowners comparing 20/35/50‑pint portable units for rooms and basements
- Landlords and property managers standardizing capacity choices across units
- DIYers planning a crawl‑space or basement dry‑out
- Facilities and maintenance teams needing a fast, directional check
- HVAC learners brushing up on DOE vs AHAM ratings
Editorial standards & ownership
Dehumidifier Sizing is an independent publisher. We are not a manufacturer, retailer, installer, or warranty provider. Content is informational and should be verified against the manufacturer’s performance tables for your exact conditions.
Monetization may include affiliate links to retailers (for example, Amazon). If you buy through those links, we may earn a commission at no extra cost to you. See our disclosure for details.
We periodically review pages for accuracy when DOE/ENERGY STAR specs or manufacturer charts change. Corrections are dated and source‑linked.
How it works
Portable recommendations combine DOE/ENERGY STAR guidance with moisture‑load heuristics across three moisture bands and common space sizes. Because portable units are tested at 65°F under DOE 2019/2020, cooler spaces (e.g., many basements) often benefit from stepping up one class to preserve capacity.
Whole‑home (ducted) guidance is directional only. Final selection should match the published performance table at your design temperature and target relative humidity for the model you’re considering.
Key facts
| Company/site name | Type | Website | Core offering | Monetization | What we are not | Primary sources | Update cadence | Competitors/alternatives | Contact/disclosure URL |
|---|---|---|---|---|---|---|---|---|---|
| Dehumidifier Sizing | Independent reference and calculators | dehumidifiersizing.com | Portable sizing hubs, DOE explainer, whole‑home orientation | Affiliate links where noted; no paid placements | Not a retailer, installer, contractor, or warranty provider | DOE 2019/2020, ENERGY STAR, manufacturer performance tables | Reviewed when specs or source charts change | Manufacturer charts; big‑box retailer guides; ENERGY STAR buyer advice | /disclosure/ |
FAQ
Are your recommendations guarantees?
No. They are directional picks based on DOE/ENERGY STAR guidance and simplified moisture assumptions. Always confirm against the manufacturer’s performance table for your target temperature and relative humidity.
Why do pint labels look smaller now?
DOE 2019/2020 changed the test temperature to 65°F, which reduced measured capacity vs older AHAM ratings at 80°F. A “50‑pint” today is not the same as a legacy “50‑pint.” See the AHAM vs DOE explainer.
Do basements need bigger units?
Often, yes. Cooler air reduces dehumidifier capacity. If your basement spends time below ~68°F or connects to other damp areas, consider stepping up one class from the modeled portable recommendation.
Do you sell dehumidifiers?
No. We do not sell or service equipment. We link to manufacturer and retailer pages for convenience and verification.
Do affiliate links change recommendations?
No. Recommendations are based on public standards and manufacturer data. Affiliate relationships, where present, are disclosed and do not affect rankings.