Quest Dehumidifiers

What Quest Dehumidifiers does

Quest Dehumidifiers, doing business as Quest Climate, designs and manufactures commercial dehumidification equipment for industrial, agricultural, and commercial applications. The company operates as a brand under the Therma-Stor parent entity, headquartered at 4201 Lien Road in Madison, Wisconsin, and was founded in 2006 with a workforce of 51-100 employees. Its product portfolio centers on refrigerant and desiccant dehumidifiers (including the active Hi-E Dry 120/140/195 series and Quest 225/335/506 units), supplemented by air movers, air scrubbers, replacement filters (MERV-11 or above), ductwork accessories, and parts. Proprietary M-CoRR corrosion-resistant technology is positioned as a key differentiator for harsh-environment durability, alongside an energy-efficiency value proposition supported by an online cost savings calculator.

The company sells through a multi-channel go-to-market spanning authorized distributors, regional retail partners, direct online sales via questclimate.com, and third-party online marketplaces (Sylvane, Growers House), with international distribution supported by 50Hz models and multilingual site content (English, French, Spanish). It serves nine industry verticals: Agriculture, Distribution & Logistics, Water & Utilities, Food & Beverage, Industrial & Manufacturing, Self-Storage, Natural Supplements, Science & Technology, and Sports & Recreation. Named customers include Chipotle Mexican Grill, 7-Eleven, Gordon Food Service, Love's, Square Roots, Nothing Bundt Cakes, Working Draft Beer, and La Jolla Institute for Immunology, with California Title 24 compliance content targeted at specifiers in regulated markets.

The revenue model is hardware-led: unit sales of dehumidifiers and complementary air movement equipment, recurring revenue from replacement filters and accessories, and parts/warranty services for the installed base. The company is privately held with no disclosed funding rounds, acquisitions, or leadership changes in the available data. Marketing emphasizes educational content (Quick Tip videos, technical documentation, case studies, a cost savings calculator, and an industrial customer support portal) rather than paid acquisition, consistent with a sales-led motion targeting specifiers, contractors, and commercial end-buyers.

Name

Quest Dehumidifiers

Legal name

Therma-Stor

Website

https://questclimate.com

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

51–100 employees

Short description

Quest Climate (d/b/a Quest Dehumidifiers), a Therma-Stor subsidiary based in Madison, Wisconsin, designs and manufactures commercial dehumidification equipment and accessories for industrial, agricultural, and commercial customers across nine verticals.

Ownership category

akta.pro rank

Product category

Commercial Dehumidification Equipment

NAICS

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers (42373)

SIC

Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Humidifier & Dehumidifier Installation & Service (HSAOAIAJ)

akta.pro secondary industry

Structural Drying, Dehumidification & Moisture Control (HSAPAOAB)

Keywords

• Commercial dehumidification equipment
• Industrial dehumidifier systems
• Humidity control solutions
• Air movement equipment
• Environmental control products

Headquarters

HQ city

Madison

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Commercial Dehumidifier Sales: Sale of industrial-grade dehumidification equipment to commercial customers across multiple industries. Products include portable dehumidifiers, fixed installation units, and custom-tailored solutions.
2. Air Movers and Ventilation Equipment: Sale of complementary air movement products including fans and air movers for ventilation and drying applications
3. Accessories and Filters: Sale of replacement filters (MERV-11 or above), ductwork accessories, and other parts for dehumidification systems. Filters available through distributors, retailers, Sylvane, and Growers House.
4. Parts and Warranty Services: Replacement parts ordering and warranty claim services for existing equipment customers

Go-to-market motion1 record

Distribution channels6 records

Marketing channels7 records

Core offering

Quest Dehumidifiers (Quest Climate) designs and manufactures commercial-grade dehumidification equipment for industrial, agricultural, and commercial applications. The portfolio includes portable and fixed-install refrigerant dehumidifiers (Hi-E Dry 140, 120, 195, and Quest 506/335/225 series), desiccant dehumidifiers, air movers (Quest F9), air scrubbers (Quest H5), and MERV-11+ replacement filters and accessories. Products are sold through authorized distributors, retail partners, the company's own online storefront, and third-party marketplaces including Sylvane and Growers House.

Product overview

Quest Climate designs and manufactures commercial dehumidification equipment, primarily for industrial, agricultural, and commercial applications. The product portfolio consists of refrigerant dehumidifiers and desiccant dehumidifiers, with current active products including the Hi-E Dry series (140, 120, 195) and the Quest 506 and 335 series. The company also produces supporting accessories including air movers and air scrubbers/HEPA filters. The discontinued products archive includes numerous legacy models spanning the 70, 100, 105, 110, 132D, 150, 155, 165, 185, 205, 225, 250, 335, 4800D, 506, 706, 850D, and 876 series, as well as desiccant models (CDG series) and international 50Hz variants.

Differentiator

Problem solved

Functional benefit

Brands

• Hi-E Dry: Portable dehumidifier product line including Hi-E Dry 140 and Hi-E Dry 120 models.
• Quest 506
• Quest 335

Products and services

• Quest Hi-E Dry 140 Portable Dehumidifier Rugged portable dehumidifier designed for reliable, energy-efficient moisture removal in commercial and industrial job sites and facilities.
• Quest 506 Commercial Dehumidifier (208/230V) Fixed-install commercial dehumidifier with 208/230V configuration featuring energy-efficient operation for industrial humidity control applications.
• Quest Hi-E Dry 120 Commercial Dehumidifier Commercial dehumidifier model designed for high-performance humidity control in commercial environments.
• Quest Hi-E Dry 195 High-Capacity Commercial Dehumidifier High-capacity commercial dehumidifier built for demanding industrial environments requiring sustained, energy-efficient moisture removal.
• Quest 335 Commercial Dehumidifier (277V) Commercial dehumidifier in a 277V configuration for large-scale humidity control applications, available as the active variant of the Quest 335 line.
• Quest 225 Commercial Dehumidifier (208/230V) Commercial dehumidifier model in 208/230V configuration from the Quest 225 series for humidity control in commercial applications.
• Quest F9 Air Mover Air mover accessory (model #4035030) used for ventilation and drying applications to complement Quest dehumidification installations.
• Quest H5 HEPA Air Scrubber HEPA air scrubber accessory (model #4031450) for air quality control at jobsites and commercial facilities using Quest dehumidification equipment.
• Quest Replacement Filters and Ductwork Accessories MERV-11 or above replacement filters and ductwork accessories for Quest dehumidification systems, distributed via authorized distributors, retailers, Sylvane, and Growers House.
• Quest Parts and Warranty Services Replacement parts ordering and warranty claim services for existing Quest commercial dehumidification equipment customers.

Quantifiable outcome

• Energy savings potential can be calculated using Quest's online cost savings calculator comparing Quest equipment versus competition

Named customers8 records

Segments9 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

One partnership is on record.

• SylvaneminorChannel Partner/ Reseller/ DistributorOnline retailer offering Quest dehumidifier filters and accessories for convenient online purchasing. Filters available through Sylvane.com for Quest-approved replacement parts.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Therma-Stor (Santa Fe Dehumidifiers): Sister brand under the same Therma-Stor parent; Santa Fe also manufactures whole-home and commercial dehumidifiers, sharing channel, engineering, and distribution infrastructure with Quest.
• Dri-Eaz (Legend Brands): Manufactures commercial/restoration dehumidifiers, air movers, and air scrubbers — overlapping product portfolio and overlapping end markets (water damage restoration, commercial drying) with Quest.
• Ebac Industrial Dehumidifiers: UK-based manufacturer of commercial and industrial dehumidifiers serving global markets; directly comparable to Quest in target customers, product type, and international distribution model.
• Fral: Italian manufacturer of industrial and commercial dehumidifiers; comparable to Quest in product category, customer verticals (industry, archives, construction), and international distribution approach.

Broad incumbents

• AprilAire: Established whole-home and light-commercial dehumidifier brand owned by Research Products Corporation; competes with Quest in indoor air quality and humidity control with broader HVAC exposure.
• Trane Technologies: Global HVAC incumbent whose commercial dehumidification offerings compete in the same bid specs Quest pursues, with vastly larger R&D, distribution, and service networks.
• Carrier Global: Major HVAC manufacturer with commercial and industrial humidity-control products; competes head-to-head with Quest in large commercial projects where Carrier can bundle dehumidification with broader equipment packages.
• Bryant (part of Carrier): Carrier-affiliated HVAC brand selling dehumidifiers and air quality products through dealer networks; an adjacent competitor in the commercial and light-commercial humidity control space.
• Munters: Global supplier of air treatment and dehumidification solutions for industrial, agricultural, and data center applications; competes with Quest in several of Quest's nine verticals but at a larger scale.

Emerging players

• Des Champs Technologies: Specialty manufacturer of energy-recovery ventilators and dehumidification equipment for commercial/industrial applications; overlaps with Quest's industrial manufacturing and science/technology verticals.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/QuestClimate
• LinkedInlinkedin.com/company/quest-dehumidifiers

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Quest Dehumidifiers