An editorial comparison
AprilAire E070 vs Santa Fe Compact70: access, ducting and drainage
Two gravity-drain 70-pint candidates. Compare the cabinet, filter-removal space and duct plan before choosing for a sealed crawl space.
Checked Oct 12, 2026 · Exact base models identified below
The useful difference
Start with Compact70 when its shorter cabinet and documented outlet arrangement suit the access route. Start with E070 when its duct and control plan suits your installation. Both need a downhill drain or a separate pump. A shared 70-pint rating does not establish equal output in your crawl space.
Differences and data gaps first, then remaining specifications. Missing data is not a performance disadvantage. Swipe or scroll sideways to see more models.
| What to check |  AprilAire E070 →Checked 2026-10-12Version detailsCurrent listed non-Wi-Fi E-series model; exact refrigerant/manual revision unconfirmed. |  Santa Fe Compact70 →Checked 2026-10-12Version detailsPart 4044110; current product page |
|---|---|---|
| Differences & data gaps | ||
| Water removal · 73°F / 60% RHManufacturer ratings at these stated conditions. Test methods may still differ; this is not an independent performance test. | 53 pints/day | Not verified |
| Water removal · 65°F / 60% RHManufacturer ratings at these stated conditions. Test methods may still differ; this is not an independent performance test. | Not verified | 43.7 pints/day |
| Cabinet heightCabinet dimensions are not installation clearance. Check feet, fittings, airflow and service access. | 12.5 in. | 12 in.Notes & sourcesView model sources → |
| Cabinet width | 12.5 in. | 12 in.Notes & sourcesView model sources → |
| Cabinet depth | 25 in. | 21 in.Notes & sourcesView model sources → |
| Minimum operating temperatureA supported operating minimum does not guarantee rated water removal in a cold space. | Not verified | 49°FNotes & sourcesView model sources → |
| Running current · A80°F · 60% RH · configuration not stated. Manufacturer claims; missing conditions do not imply identical tests. | 5.4 ANotes & sourcesPDF p.1 Specifications, Current Draw and rating footnote · Manufacturer rated current at 80°F/60% RH inlet air and 0.0 external static pressure. This is current, not input watts or a starting-surge value. View model sources → | Not verified |
| Sound level · dBAtemperature not stated · humidity not stated · ducted · distance not stated. Manufacturer claims; missing conditions do not imply identical tests. | 53 dBANotes & sourcesPDF p.1 Specifications, Noise row · Manufacturer sound rating for ducted installation. Distance, temperature, humidity and acoustic test method are not given; it is not an independent comparison. View model sources → | Not verified |
| Standby power · Wtemperature not stated · humidity not stated · standby. Manufacturer claims; missing conditions do not imply identical tests. | < 3 WNotes & sourcesPDF p.4 Operating the Dehumidifier / idle power · Idle only: manufacturer says less than 3 W when both fan and compressor are stopped. This is not operating input power. View model sources → | Not verified |
| Input power · W65°F · 60% RH · configuration not stated. Manufacturer claims; missing conditions do not imply identical tests. | Not verified | 444 WNotes & sourcesPDF p.1 Electrical, Power · Manufacturer stated input watts at the listed air conditions; compressor duty cycle and annual consumption are not specified. View model sources → |
| Running current · A65°F · 60% RH · configuration not stated. Manufacturer claims; missing conditions do not imply identical tests. | Not verified | 3.7 ANotes & sourcesPDF p.1 Electrical, Current Draw · Manufacturer stated current at the listed air conditions; this is not starting current and is not converted into watts. View model sources → |
| Optional external pump · published lift | 22 ftNotes & sourcesUp to 22 feet lift for separately purchased AprilAire 4856 condensate pump. The base dehumidifier drains by gravity and does not contain this pump. View model sources → | 12 ftNotes & sourcesUp to 12 ft vertical lift for compatible optional external 4022220 pump; the base Compact 70 has gravity drainage. View model sources → |
| Clearance · Filter extraction side · filter removalRequirement from the referenced manual and configuration. Do not add cabinet dimensions alone to infer a guaranteed fit. | 15 in.Notes & sourcesPDF p.7 Figure 11 Filter Access Clearance · Keep at least 15 inches clear for the filter to slide out; leave the electrical/drain service panel accessible. View model sources → | Not verified |
| Clearance · Return/filter side · filter removalRequirement from the referenced manual and configuration. Do not add cabinet dimensions alone to infer a guaranteed fit. | Not verified | 11 in.Notes & sourcesPDF p.5 Location diagram · Diagram shows 11 in for filter removal and return airflow; safety text separately asks for 12 in at return/supply. View model sources → |
| Clearance · Return side · airflowRequirement from the referenced manual and configuration. Do not add cabinet dimensions alone to infer a guaranteed fit. | Not verified | 11 in.Notes & sourcesPDF p.5 Location diagram · The 11 in return-side figure differs from the 12 in general safety instruction; do not silently use the smaller value. View model sources → |
| Clearance · Supply side · airflowRequirement from the referenced manual and configuration. Do not add cabinet dimensions alone to infer a guaranteed fit. | Not verified | 24 in.Notes & sourcesPDF p.5 Location diagram · Diagram calls for 24 in at the supply outlet, beyond cabinet depth. View model sources → |
| Clearance · Return and supply openings · airflowRequirement from the referenced manual and configuration. Do not add cabinet dimensions alone to infer a guaranteed fit. | Not verified | 12 in.Notes & sourcesPDF p.3 Safety Instructions · General safety text says 12 in; detailed diagram shows 11 in return and 24 in supply, requiring installer interpretation. View model sources → |
| Clearance · Highest point of drain trap below drain-port adapter · drainRequirement from the referenced manual and configuration. Do not add cabinet dimensions alone to infer a guaranteed fit. | Not verified | 2 in.Notes & sourcesPDF p.6 Drain Installation · The highest point of the hose trap must remain at least 2 in below the black drain adapter; trap is positioned 8–10 in from the unit. View model sources → |
| Manufacturer-listed applicationsListed applications are not a sizing recommendation. | Basement, Crawl space, Whole homeNotes & sourcesView model sources → | Basement, Crawl spaceNotes & sourcesView model sources → |
| Other specifications · same recorded value or not verified for all | ||
| Water removal · 80°F / 60% RHManufacturer ratings at these stated conditions. Test methods may still differ; this is not an independent performance test. | 70 pints/day | 70 pints/day |
| Drain arrangement | Gravity drainNotes & sourcesExact product page describes hose/floor-drain use and no tray. Any pump needed for lift is a separate installation choice. View model sources → | Gravity drainNotes & sourcesManufacturer manual describes gravity drainage with a required trap; an external pump is optional for a raised destination. Check the full instructions. View model sources → |
| Depth including duct collarsIncludes the documented duct collars, but not airflow or service clearance. Missing does not mean no collars. | Not verified | Not verified |
| Pump hose length | Not verifiedNotes & sourcesNo included pump discharge-hose length has been verified; gravity-drain tubing is a separate measurement. | Not verifiedNotes & sourcesNo included pump discharge-hose length has been verified; gravity-drain tubing is a separate measurement. |
| Duct collar diameter | 8 in.Notes & sources8-inch inlet and outlet connections. Duct length and static pressure limits still need the exact installation manual. View model sources → | 8 in.Notes & sourcesOptional duct kit uses 8 in return and supply connections. Confirm the ordered kit and included collar configuration. View model sources → |
| Duct connection | Supported; check duct kit | Supported; check duct kitNotes & sourcesDuct configuration and required accessories must follow the installation manual. View model sources → |
Equal headline capacity is only the starting point
Both list 70 US pints/day at 80°F and 60% RH. E070 also lists 53 at 73°F/60% RH; the Compact70 record includes 43.7 at 65°F/60% RH. Those cooler figures are different regimes, so they cannot establish which is better in a cool crawl space. Ask for a capacity assessment based on moisture entry, sealing and airflow, not a square-foot claim alone.
Measure the hatch and the filter-removal route
The recorded E070 cabinet is 12.5 inches high and wide, 25 inches deep; Compact70 is 12 by 12 by 21. This gives Compact70 a shorter recorded body, but neither dimension includes a complete service envelope. The E070 manual calls for 15 inches for filter extraction. Compact70 instructions show 11 inches on the return/filter side and 24 on the supply side, alongside a general 12-inch airflow instruction. Resolve the exact arrangement before using a tight layout.
Treat the duct accessories as part of the purchase
E070 documents 8-inch inlet and outlet connections. Compact70 supports optional ducting; the retailer’s older installation review explains a rotatable exhaust panel and a separate hanging kit. Use that review to understand the options, then confirm today’s kit and orientation in the current manual. A supported duct connection is not permission to use any length, bend or HVAC tie-in.
The base models do not pump uphill
Both base models drain by gravity. AprilAire documents an optional 4856 pump with a 22-foot lift claim; Santa Fe documents an optional 4022220 pump with a 12-foot lift claim. Those belong to separate accessories, not the dehumidifier itself. Match the pump, overflow protection and discharge route to the installation. Also allow for any elevation required for the gravity trap.
Monitoring and evidence are separate decisions
E070 here is the base model. E070W is a separate Wi-Fi profile; do not assume its controls or accessories are included with E070. The external material below includes a retailer placement review and an installer sizing explanation. Neither establishes a reliability winner. Check the exact quote, available service and replacement-filter access after the physical layout passes.
Reviews & installation evidence
Original summaries of external material. We did not perform these tests. The version and evidence limits below matter as much as the result.
Article · installation
E070 and E080 sizing: the crawl-space conditions an installer checks
Family context: Named E070/E080 family; article does not identify tested hardware revisions
This installer starts with encapsulation, air sealing, open vents and divided crawl-space areas before recommending E070 or E080. The distinction is useful: floor area describes the space, but does not describe all the incoming moisture or whether air can circulate between sections. Use the article as a checklist for an assessment, alongside the exact model manual and a measured installation plan.
- Setting / method
- Written installer explanation and commercial service recommendations; no instrumented side-by-side test.
- What this does not prove
- Service provider selling encapsulation and installation. Its square-foot rules and sound claims are not universal guarantees or independent test results.
Article · installation
Compact70 placement: rotatable outlet, hanging kit and controls
Earlier version / historical context: Compact70 described in March 2023; current part 4044110 equivalence not established
Sylvane describes rotating the discharge panel for vertical exhaust and using a separately purchased hanging kit between joists. The article also covers optional ducting and the onboard humidity dial. This is useful when planning access and accessories, but the installation still needs space for ducts, filter removal and a downhill drain. The retailer’s stated coverage is not a sizing guarantee.
- Setting / method
- Retailer editorial review with placement discussion and published specification tables; no repeatable test protocol or raw results supplied.
- What this does not prove
- The retailer sells this brand. The 2023 unit is not identified by current part number or refrigerant; measurements, warranty wording and accessory fit must be checked against current documents.
Follow the evidence
Sources & further reading
Open the original material for the full context. A product specification is not an independent test.
- manufacturer manualAprilAire E070 Installation and Owner Manual
AprilAire · Checked Oct 12, 2026
Version: 10020790B / 02.24Exact non-W E070 installation manual hosted by AMG Air. Fifteen inches are needed for filter removal. It does not describe the E070 W control.
- manufacturer productAprilAire E070 manufacturer product page
AprilAire · Checked Oct 12, 2026
- manufacturer specAprilAire E070 R32 Specification, Form 960
AprilAire · Checked Oct 12, 2026
Version: Form 960 / 320712 / 04.24Exact non-W E070 R32 specification hosted by Carrier Enterprise. Rated current is measured at 80°F/60% RH and zero external static pressure; sound has a ducted label but no distance.
- installer reviewDehumidifier for Crawl Space
Crawl Space Ninja · Checked Oct 12, 2026
Version: Named E070/E080 family; article does not identify tested hardware revisionsExternal evidence; the summary identifies its scope and limits. Follow the original for the full account.
Show 5 more sources
- manufacturer manualSanta Fe Compact70 Installation & Operation Instructions
Santa Fe / Therma-Stor · Checked Oct 12, 2026
Version: TS-2081 07/24 Rev A; part 4044110 - manufacturer specSanta Fe Compact70 4044110 Data Sheet TS-2108 Rev B
Santa Fe; manufacturer PDF hosted by AMGAir · Checked Oct 12, 2026
Version: TS-2108 Rev B, 01/26 - manufacturer manualSanta Fe Compact70 4044110 Installation Instructions
Santa Fe · Checked Oct 12, 2026
Version: TS-2081 Rev C / 04.26Exact 4044110 manual. The diagram calls for 11 inches at the return/filter side and 24 inches at supply; safety text separately says 12 inches at return/supply. The drain trap high point must be at least 2 inches below the drain adapter.
- manufacturer productSanta Fe Optional Condensate Pump Kit 4022220
Santa Fe · Checked Oct 12, 2026
Version: Manufacturer accessory listing checked 2026-10-12Optional external pump, not part of the base dehumidifier. Manufacturer states 12 feet vertical lift and 20 feet total routing; it does not state an included hose length. Compatibility is listed for Compact 70, Oasis 105, Classic, Ultra 70 and UltraMD33; new V-series compatibility is not assumed from older Ultra names.
- retailerSylvane Reviews: The Santa Fe Compact70 Dehumidifier
Sylvane · Checked Oct 12, 2026
Version: Compact70 described in March 2023; current part 4044110 equivalence not establishedExternal evidence; the summary identifies its scope and limits. Follow the original for the full account.