# Aprilaire vs. Santa Fe Dehumidifiers: E100 vs. Ultra V100

> Same 100 pints a day, coverage claims that differ by more than double. Here's what each whole-house unit is really built to do.

Canonical: https://www.enthusiastreview.com/compare/aprilaire-vs-santa-fe-dehumidifier/
Last updated: 2026-11-05
Published: 2026-09-27
Category: Comparisons
Publisher: Enthusiast Review

Comparing an Aprilaire vs. Santa Fe dehumidifier usually comes down to two flagship whole-house machines: the **Aprilaire E100** and the **Santa Fe Ultra V100**. Both remove 100 pints of water a day under standard test conditions, both are bucketless units meant to be installed in a basement, crawl space or mechanical room, and both sit in the $2,000-plus tier.

Yet Aprilaire rates the E100 for up to **5,500 sq ft** while Santa Fe rates the Ultra V100 for about **2,300 sq ft**. That gap isn't a typo. The two machines are doing different jobs: the E100 is a pure dehumidifier, while the Ultra V100 also filters the air to MERV-13 and ducts in fresh outdoor air.

We compared their published specs, ENERGY STAR status, warranty terms and owner feedback to help you decide which one belongs in your home.

## The models compared

- **Best for efficiency and value:** Aprilaire E100 — [check price on Amazon](https://www.amazon.com/dp/B0DG3RJ1W5?tag=sktiger-20&linkCode=ll1)
- **Best for indoor air quality:** Santa Fe Ultra V100 — [check price on Amazon](https://www.amazon.com/dp/B0GV4N7HQL?tag=sktiger-20&linkCode=ll1)

For straightforward whole-house moisture control, the **Aprilaire E100** is the better value; choose the **Santa Fe Ultra V100** if you also want filtration and fresh-air ventilation.

## 1. Aprilaire E100 Whole-House Dehumidifier — Best for efficiency and value

[Check price on Amazon](https://www.amazon.com/dp/B0DG3RJ1W5?tag=sktiger-20&linkCode=ll1)

**Pros**

- 100 pints (12.5 gallons) a day
- Rated for up to 5,500 sq ft
- ENERGY STAR Most Efficient
- Simpler design with no filter-schedule warranty strings

**Cons**

- No ventilation or high-MERV filtration
- Warranty covers parts only, not labor
- Needs a separate condensate pump if below the drain

**Why we picked it:** If your goal is simply to get moisture out of a whole home, basement or sealed crawl space, the E100 does that with more rated coverage and better efficiency for less money. It's a focused, proven machine.

**Performance:** Aprilaire rates it at 100 pints a day and for spaces up to 5,500 sq ft, and it carries ENERGY STAR's Most Efficient designation, which means meaningfully lower annual energy use than a typical dehumidifier of its size. It recirculates and dries the air already in the space rather than bringing in outdoor air. Owners and installers praise its reliability; the main complaint is that labor isn't covered under warranty. See the full range in our [best Aprilaire dehumidifier](https://www.enthusiastreview.com/best/best-aprilaire-dehumidifier/) guide.

**Worth knowing:** Plan for professional installation; our [whole-house dehumidifier installation](https://www.enthusiastreview.com/guides/whole-house-dehumidifier-installation/) guide explains what's involved.

| Spec | Value |
| --- | --- |
| Capacity | 100 pints/day |
| Coverage | Up to 5,500 sq ft (Aprilaire) |
| Efficiency | ENERGY STAR Most Efficient |
| Drainage | Bucketless; pump sold separately |
| Warranty | 5 years, parts only |
| Best for | Whole home, basement, crawl space |

## 2. Santa Fe Ultra V100 Ventilating Dehumidifier — Best for indoor air quality

[Check price on Amazon](https://www.amazon.com/dp/B0GV4N7HQL?tag=sktiger-20&linkCode=ll1)

**Pros**

- 100 pints a day plus MERV-13 filtration
- Built-in 8-inch fresh-air duct
- Six-year Total Peace of Mind warranty
- Full unit replacement in years one to five

**Cons**

- Rated for only about 2,300 sq ft
- Costs noticeably more than the E100
- Warranty depends on keeping up with filter changes

**Why we picked it:** The Ultra V100 is for households that want more than dry air. It filters to MERV-13 and meters in outdoor air, so one installed unit handles humidity, particle filtration and fresh-air ventilation.

**Performance:** Santa Fe rates it at 100 pints a day and about 620 watts at 73°F and 60% humidity, using R454B refrigerant. Because part of its work goes into conditioning incoming outdoor air, Santa Fe publishes a far smaller coverage figure than Aprilaire does for the same pint rating. Its warranty is the standout: full unit replacement for operational failures in years one through five on units built from 2024, then free parts in year six. Explore the lineup in our [best Santa Fe dehumidifier](https://www.enthusiastreview.com/best/best-santa-fe-dehumidifier/) guide.

| Spec | Value |
| --- | --- |
| Capacity | 100 pints/day |
| Coverage | About 2,300 sq ft (Santa Fe) |
| Filtration | MERV-13 |
| Ventilation | 8-inch fresh-air duct |
| Power | 620 W at 73°F, 60% RH (Santa Fe) |
| Warranty | 6 years (Total Peace of Mind) |

## Aprilaire E100 vs. Santa Fe Ultra V100 at a glance

| Feature | Aprilaire E100 | Santa Fe Ultra V100 |
| --- | --- | --- |
| Capacity | 100 pints/day | 100 pints/day |
| Rated coverage | Up to 5,500 sq ft | About 2,300 sq ft |
| Ventilation | No — recirculates only | Yes — meters in outdoor air |
| Filtration | Standard filter | MERV-13 |
| ENERGY STAR | Most Efficient | Not listed as Most Efficient |
| Drainage | Bucketless; pump optional | Bucketless; pump optional |
| Warranty | 5 years, parts only | 6 years; full replacement years 1–5 |
| Price tier | $2,000+ installed unit | Roughly $500 more than the E100 |

## How we researched this comparison

We don't lab-test. We compared each manufacturer's spec sheets and warranty documents, checked ENERGY STAR's certified-product data, reviewed installation manuals and read feedback from owners and HVAC installers. We focused on the differences that actually affect what you'll live with: coverage, efficiency, air quality features and what happens if something breaks.

## Why the same 100 pints covers such different square footage

Both coverage numbers come from the manufacturers' own published specs. The likeliest explanation for the gap is workload. The E100 devotes all of its capacity to drying air that's already in the house. The Ultra V100 also brings in a controlled stream of outdoor air, which in humid weather carries its own moisture load, and it pushes air through a dense MERV-13 filter.

> **Sizing rule of thumb:** When two units share a capacity rating but not a coverage rating, size to the more conservative number. If your home is 3,500 sq ft and you want the Santa Fe, talk to an installer about whether one Ultra V100 is enough.

## Filtration, ventilation and warranty

### Filtration and fresh air

MERV-13 is the filtration tier commonly used in commercial and health-care HVAC, capturing fine particles that standard filters miss. Paired with the Ultra V100's fresh-air duct, it can help tightly sealed modern homes that feel stuffy. If your only problem is dampness or a musty smell, though, you're paying for features you won't use. Our [dehumidifier vs. air purifier](https://www.enthusiastreview.com/guides/dehumidifier-vs-air-purifier/) guide explains where each helps.

### Warranty

Santa Fe's warranty is both longer and stronger: full unit replacement for years one through five, then free parts in year six. Aprilaire covers parts for five years but excludes labor throughout. The catch with Santa Fe is maintenance: skipping the MERV-13 filter schedule can void coverage, an obligation the E100 doesn't carry.

## Which should you buy?

- **Buy the Aprilaire E100** if you want whole-house moisture control at the lowest cost for this capacity, the widest rated coverage and top-tier efficiency.
- **Buy the Santa Fe Ultra V100** if you also want MERV-13 filtration and fresh-air ventilation from one installed unit, and you value the stronger warranty enough to keep up with filter changes.
- **Consider neither** if the damp is confined to one floor; a portable can hold a basement for a fraction of the cost. See our [best whole-house dehumidifier](https://www.enthusiastreview.com/best/best-whole-house-dehumidifier/) and [crawl space dehumidifier](https://www.enthusiastreview.com/best/best-crawl-space-dehumidifier/) picks for more options.

## The bottom line

Both machines remove 100 pints a day, but they solve different problems. The **Aprilaire E100** is the better buy for pure dehumidification: more rated coverage, ENERGY STAR Most Efficient and a lower price. The **Santa Fe Ultra V100** earns its premium if you want filtration and fresh air bundled in, plus a stronger warranty. Size the Santa Fe to its own conservative coverage figure, and compare a lower-cost crawl-space option in our [AlorAir vs. Aprilaire](https://www.enthusiastreview.com/compare/alorair-vs-aprilaire-dehumidifier/) breakdown.

## Frequently asked questions

### Is Aprilaire or Santa Fe better for a whole house?

For moisture control alone, the Aprilaire E100: it's rated for up to 5,500 sq ft, is ENERGY STAR Most Efficient and costs less. Choose the Santa Fe Ultra V100 if you also want MERV-13 filtration, fresh-air ventilation and a stronger warranty.

### Why does the Santa Fe Ultra V100 cover less space than the Aprilaire E100?

Both remove 100 pints a day, but the Ultra V100 also ducts in outdoor air and filters to MERV-13, which uses part of its capacity. That's the most likely reason Santa Fe rates it for about 2,300 sq ft versus Aprilaire's 5,500.

### Which has the better warranty, Aprilaire or Santa Fe?

Santa Fe. The Ultra V100's Total Peace of Mind warranty replaces the whole unit for operational failures in years one to five and covers parts in year six. Aprilaire's E100 warranty covers parts for five years and excludes labor.

### Do I need the Santa Fe's filtration and ventilation?

Only if you want better air quality as well as lower humidity. If mold, musty odors or dampness are your only concerns, the Aprilaire E100 solves them for less money.

### Do whole-house dehumidifiers need a pump?

Both units are bucketless and drain by hose. If the unit sits below the nearest floor drain, you'll need a separate condensate pump, which your installer can add.

## Related guides

- [The Best Aprilaire Dehumidifiers: E070, E080, E100 and E130](https://www.enthusiastreview.com/best/best-aprilaire-dehumidifier/)
- [The Best Santa Fe Dehumidifiers](https://www.enthusiastreview.com/best/best-santa-fe-dehumidifier/)
- [AlorAir vs. Aprilaire Dehumidifiers: Which Crawl-Space Unit Is Worth It?](https://www.enthusiastreview.com/compare/alorair-vs-aprilaire-dehumidifier/)
- [The Best Whole-House Dehumidifiers](https://www.enthusiastreview.com/best/best-whole-house-dehumidifier/)
- [Whole-House Dehumidifier Installation: What to Expect](https://www.enthusiastreview.com/guides/whole-house-dehumidifier-installation/)

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*Enthusiast Review researches products against DOE ratings, ENERGY STAR data, manuals, CPSC recalls and owner reviews; it does not run a test lab. Amazon links are affiliate links (tag sktiger-20).*