What Weiss Envirotronics does

Weiss Envirotronics, doing business as Weiss Technik North America, Inc., is a Grand Rapids, Michigan-based subsidiary of the German Schunk Group that designs and manufactures environmental test chambers, thermal shock systems, walk-in/drive-in chambers, battery test chambers, HALT/HASS/AGREE vibration chambers, altitude/space simulation chambers, pharmaceutical stability chambers, and industrial heat-processing ovens. Its proprietary technology stack centers on the LEEF (Leading Energy Efficiency Footprint) refrigeration architecture using low-GWP R-449A refrigerant and the WEBSeason end-user controller platform with SIMPATI/S!MCONTROL software, delivering up to 70% accuracy improvement and 40% energy savings versus conventional chambers. The company generates revenue through a mix of one-time hardware sales (pre-engineered units, Xceed Custom Series, and In-Stock/Rental inventory), recurring aftermarket services (preventive maintenance, A2LA-accredited ISO/IEC 17025 calibration, installation/startup, retrofits, Loyalty Plus service program), turnkey multi-million dollar battery testing laboratory projects, and controller/software licenses.

The company sells primarily to enterprise customers across automotive, aerospace, battery/EV, electronics, defense/military, pharmaceutical/life sciences, solar/PV, medical device, and industrial heat-processing verticals, using a direct enterprise field sales team supplemented by an authorized manufacturers' representative network in the US and a Mexico subsidiary. Its competitive positioning rests on 65+ years of industry experience, the largest product portfolio in the market, ISO 9001 certification since 1997, ATEX-certified explosion-resistant ovens, EUCAR-aligned battery safety modules, and a global service network of 400+ technicians across 22 subsidiaries in 15 countries (one source cites 29 countries), with the Schunk Group providing financial and strategic backing.

Name

Weiss Envirotronics

Legal name

Weiss Technik North America, Inc.

Website

https://weiss-na.com

Company type

Private

Founded year

1979

Operating status

Operating

Headcount range

101–250 employees

Short description

Weiss Envirotronics (Weiss Technik North America) designs and manufactures pre-engineered and custom environmental test chambers, thermal shock systems, and industrial ovens. It sells to enterprise customers in automotive, aerospace, battery/EV, electronics, defense, pharmaceutical, and solar industries across North America.

Ownership category

akta.pro rank

Product category

Environmental Test Equipment

NAICS

Analytical Laboratory Instrument Manufacturing (334516), Testing Laboratories and Services (54138), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413)

SIC

Laboratory Analytical Instruments (3826), Services-Testing Laboratories (8734), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Laboratory Apparatus & Furniture (3821), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Analytical Development & QC Testing (Release/Stability/Potency) (HLAGAGAF)

akta.pro secondary industries

Microbiology & Sterility Assurance (Bioburden/Endotoxin/Sterility) (HLAGADAE), Release Testing & Batch Certification (QC) (HLAGADAC)

Keywords

• Environmental test chambers
• Thermal shock chambers
• Battery test chambers
• Temperature humidity chambers
• Industrial heating ovens

Headquarters

HQ city

Grand Rapids

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Test Chamber Hardware Sales: Direct sale of new environmental test chambers, thermal shock chambers, walk-in/drive-in chambers, AGREE vibration chambers, specialty chambers, and industrial ovens. Includes pre-engineered units, custom-engineered solutions (e.g., Xceed Custom Series), and rental/in-stock units.
2. Aftermarket Services and Calibration: Recurring and one-time service revenue from preventive maintenance, A2LA-accredited calibration (ISO/IEC 17025), installation/startup, chamber relocation, retrofits, and the Loyalty Plus Service Program.
3. Turnkey Battery Testing Lab Solutions: Large multi-million dollar custom battery production and testing laboratories delivered as turnkey projects (requirement analysis, design, production, installation, commissioning, training, after-sales service).
4. Software and Controller Solutions: Sales of WEBSeason controller platform, SIMPATI Control Software, and Simpati TimeLabs as bundled or standalone software add-ons to chamber hardware.

Pricing tiers

Go-to-market motion1 record

Distribution channels7 records

Marketing channels10 records

Core offering

Weiss Envirotronics (Weiss Technik North America) designs, manufactures, sells, and services pre-engineered and custom-engineered environmental test chambers—including temperature/humidity, thermal shock, walk-in/drive-in, battery safety, HALT/HASS/AGREE vibration, altitude/space simulation, pharmaceutical stability, solar/PV, and specialty chambers—together with industrial heating/drying ovens and the proprietary WEBSeason controller and SIMPATI/S!MCONTROL software. The company also delivers turnkey battery testing laboratories and a full aftermarket service portfolio (preventive maintenance, A2LA-accredited ISO/IEC 17025 calibration, installation, retrofit, relocation, and Loyalty Plus program) to automotive, aerospace, battery/EV, electronics, defense, pharmaceutical, and other manufacturers.

Product overview

Weiss Envirotronics (doing business as Weiss Technik North America, Inc.) offers a unified portfolio of environmental test chambers, industrial ovens, and chamber control software, marketed as "the industry's largest product portfolio." Rather than a single software platform, the offering is organized as a family of hardware product lines — Reach-In Temperature & Humidity Chambers (including the Endurance Series), Walk-In/Drive-In Chambers, Thermal Shock (TS Series), Battery Test Chambers, HALT/HASS/AGREE Vibration Chambers (Galaxy & EV Series), Altitude/Space Simulation, Pharmaceutical Stability, Industrial Ovens (HeatEvent, VTU, VTUW, VTF, VTIR, VHM), Specialty Chambers (PV Solar, Dust, Spray, EMC, VOC, Clean Rooms, Dry Rooms, etc.), and Plant & Insect Growth Chambers — all unified by the WEBSeason controller with SIMPATI/S!MCONTROL software and the company's proprietary LEEF (Leading Energy Efficiency Footprint) low-GWP refrigeration technology using R-449A refrigerant.

Differentiator

Problem solved

Functional benefit

Brands

• LEEF (Leading Energy Efficiency Footprint): Proprietary high-efficiency refrigeration technology integrated into environmental test chambers with cascade refrigeration systems; offers up to 70% improved test accuracy, reduced test time, and up to 40% energy savings.
• WEBSeason
• Endurance Series
• Fitotron
• SunEvent
• HeatEvent

Products and services

• Reach-In Temperature & Humidity Test Chambers (Endurance Series) Full-featured reach-in environmental test chambers that simulate temperature and humidity extremes for components and small assemblies. The Endurance series features LEEF high-efficiency refrigeration, low-GWP R-449A refrigerant, and global connectivity via the proprietary WEBSeason controller for programming, monitoring, and data acquisition from any device. Sold to automotive, aerospace, electronics, defense, and pharmaceutical manufacturers.
• Walk-In & Drive-In Environmental Test Chambers Large-volume pre-engineered and custom-engineered chambers for testing large products such as full vehicles, battery packs, and assemblies. Offered in welded (WW Series) or panelized (WP/WPH Series) construction with LEEF technology and R-449A refrigerants. Used by automotive, aerospace, and battery/EV manufacturers.
• Thermal Shock Test Chambers (TS Series) Two-chamber thermal shock systems (TS 60, TS 120, TS 300) that rapidly transfer specimens between hot (+50°C to +220°C) and cold (-80°C to +70°C) zones to test electronic components and assemblies. Qualified to Mil-Std 810, Mil-Std 883, IEC 60068-2-14, and JEDEC standards. Supports more than 1,000 thermal shock cycles without defrosting.
• Battery Test Chambers (Reach-In and Walk-In) Configurable chambers for lithium-ion and other battery chemistries with EUCAR hazard-level safety features (gas monitoring, burst disc, explosion-resistant heaters, fresh air purge, water spray, sprinklers) and conformance to IEC, UL, UN/DOT, and EUCAR standards. Sold to battery manufacturers, EV OEMs, and energy storage companies for cell, module, and pack safety validation.
• HALT/HASS/AGREE Vibration Test Chambers (Galaxy & EV Series) Combined environmental and vibration chambers for Highly Accelerated Life Testing, Highly Accelerated Stress Testing, and AGREE-style qualification. Integrate with electro-dynamic and mechanical shakers and feature LEEF high-efficiency refrigeration and WEBSeason control. Sold to defense, aerospace, and electronics manufacturers.
• Altitude & Space Simulation Test Chambers (EA/EAH Series, TVAC, TVC) Low-pressure and thermal-vacuum chambers that simulate high-altitude and space conditions for aerospace components and assemblies. Sold to aerospace primes, defense contractors, and space industry customers needing MIL-STD and JEDEC environmental qualification.
• Pharmaceutical, Life Science & Stability Test Chambers (ICH, Walk-In Stability, Photostability, VHSD, ISO 5 Sterilizers) GMP-compliant chambers and walk-in stability rooms for ICH Q1A storage (-20°C to +40°C, 40-75% RH), ICH photostability, container sterilization (VHSD), and ISO 5/ISO 7 hot air sterilization for pharmaceutical and life science applications. Sold to pharmaceutical manufacturers, biotech firms, and research institutes.
• Heat Technology & Production Ovens (HeatEvent, VTU, VTUW, VTF, VTIR, VHM, VDU Conveyor) Industrial heating, drying, curing, and sterilizing ovens including curing ovens (HeatEvent), drying ovens (VTU), explosion-resistant ovens (VTUW with ATEX 2014/34/EU compliance), clean-room ovens (VTF), infrared ovens (VTIR), microwave ovens (VHM Hephaistos), and continuous conveyor ovens (VDU). Sold to general industrial manufacturers across automotive, aerospace, electronics, and process industries.
• PV Series Solar Panel Test Chambers & SunEvent Solar Simulation Chambers Walk-in and reach-in chambers designed for photovoltaic modules, meeting IEC 61215, 61646, 61730, 62108, UL 1703, and ASTM standards for temperature cycling (-70°C to +150°C), humidity (20-95% RH), damp heat, and humidity freeze tests. Sold to solar module manufacturers and research institutes.
• Specialty Environmental Test Chambers (Dust, Spray/Splash, Cement/Concrete, EMC, Tensile, VOC, Noxious Gas, Emissions, Clean Rooms, Dry Rooms, Remote Conditioners, Fast Change Rate) A broad portfolio of niche test chambers covering dust ingress, water/salt spray, cement/concrete curing, EMC testing, tensile-climate combined testing, VOC and noxious gas emissions, laminar-flow clean rooms, dry rooms (dehumidification), and remote conditioning units. Sold to construction materials manufacturers, consumer goods producers, and industrial labs requiring environmental durability testing.
• Plant & Insect Growth Chambers (Fitotron SGC, HGC, SGR, CGR) Reach-in, modular, and walk-in climate chambers for plant and insect research, including high-light intensity plant growth rooms (CGR). Sold to agricultural research institutes, seed companies, and universities conducting plant growth and entomology studies.
• WEBSeason Controller & SIMPATI / S!MCONTROL Software Proprietary controller and software suite for programming, controlling, and monitoring Weiss Technik environmental test chambers remotely from any device. Provides real-time monitoring, automation sequences, and data acquisition across the full chamber portfolio. Includes the 32-bit S!MPAC/S!MCONTROL control and monitoring system with RS 232/USB/Ethernet interfaces and digital I/O. Sold as a bundled or standalone add-on to chamber hardware.
• Cold Chain Transportation Testing Solutions Test chambers and solutions purpose-built to simulate cold chain transportation conditions for pharmaceutical and perishable goods. Sold to pharmaceutical manufacturers, logistics providers, and cold chain packaging companies.
• Service Programs (Preventive Maintenance, Calibration, Installation/Startup, Relocation, Retrofits, Loyalty Plus) After-sales service portfolio covering preventive maintenance, ISO/IEC 17025 A2LA-accredited calibration, installation/startup, test chamber relocation, retrofits (including R-404A to R-449A conversions), and the Loyalty Plus service program. Delivered by more than 400 service technicians across North America and supported by the Weiss Technik Global network. Sold to enterprise customers operating installed Weiss Technik test chambers.

Quantifiable outcome

• Up to 70% improved accuracy of temperature and humidity settings with LEEF Technology
• +6 more outcomes

Named customers1 record

Segments12 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Ten partnerships are on record, tiered flagship, core and minor.

• Schunk GroupflagshipOthersParent company of Weiss Technik North America; provides corporate, financial, and strategic backing. The Schunk Group is described as a 'financially sound, globally-active technology group' with expertise in materials and mechanical engineering, supporting sustainability and customer success initiatives.
• Weiss Technik GlobalflagshipStrategic or Co-development PartnerSister company providing global sales, service, and product engineering support. Part of the Weiss Technik brand family operating 22 subsidiaries across 15 countries.
• ProTEQ SolutionscoreChannel Partner/ Reseller/ DistributorAuthorized Manufacturers' Representative led by Amy Simard (1-888-490-6624, [email protected]). Provides regional sales coverage for Weiss Technik North America as an authorised rep.
• Vic Myers AssociatescoreChannel Partner/ Reseller/ DistributorAuthorized Manufacturers' Representative (800-800-6937, [email protected]) reselling Weiss Technik test chambers in their regional territory.
• GenTekcoreChannel Partner/ Reseller/ DistributorAuthorized Manufacturers' Representative covering Florida and adjacent territory (813-961-0689, [email protected]); resells Weiss Technik test chambers.
• Electro-MeterscoreChannel Partner/ Reseller/ DistributorAuthorized Manufacturers' Representative for Test Chamber Sales & Services (1-800-617-3413, [email protected]); resells Weiss Technik test chambers.
• Ward Davis (Southern CA)minorChannel Partner/ Reseller/ DistributorAuthorized Manufacturers' Representative covering Southern California (Palmdale and South); 310-643-6977, [email protected].
• Weiss Technik Mexico, S.A. de C.V.coreStrategic or Co-development PartnerSister subsidiary providing direct sales and service coverage in Mexico; VP of Sales Francisco de Alba leads operations with dedicated sales and service phone lines and emails.
• Chemours (Opteon™ XP40 / R-449A)coreTechnology or IntegrationSupplier and co-marketing partner for Opteon™ XP40 (R-449A) low-GWP refrigerant. Featured case study demonstrates Chemours refrigerant adoption in Weiss Technik chambers; refrigerant is integrated across all new test chambers since 2018.
• EUCAR (European Council for Automotive R&D)coreOthersStandards-setting body whose EUCAR Hazard Level framework (0-7) is integrated into Weiss Technik battery test chamber design and marketing. Weiss Technik aligns its battery chamber safety modules to EUCAR hazard levels.

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Munters Group: Global climate control, dehumidification, and air treatment specialist whose dry rooms and climate solutions overlap with Weiss Technik's dry rooms, clean rooms, and industrial environmental conditioning offerings.
• Thermo Fisher Scientific: Broad life sciences and laboratory equipment conglomerate with environmental chamber, stability storage, and pharma testing offerings within its Laboratory Products and Services segment. A larger incumbent with overlapping pharma/pharma-cold-chain capabilities but a much wider product portfolio.

Direct peers

• Russells Technical Products: US-based manufacturer of walk-in and drive-in environmental test chambers for automotive, defense, and battery applications. Directly competes with Weiss Technik's walk-in/drive-in product line, especially for EV and aerospace customers.
• Thermotron Industries: US-based manufacturer of environmental test chambers (temperature, humidity, thermal shock, vibration, AGREE) serving automotive, aerospace, defense, and battery customers. Closest direct competitor to Weiss Technik North America in product mix and customer base.
• Cincinnati Sub-Zero (CSZ): US manufacturer of environmental test chambers, temperature/humidity chambers, and HALT/HASS systems. Direct competitor to Weiss Technik North America in standardized and custom chamber sales across the Midwest and East Coast.
• Angelantoni Test Technologies: Italian manufacturer of environmental test chambers, altitude chambers, and EMC test equipment with global distribution. Overlaps with Weiss Technik in aerospace, defense, and EMC testing segments.
• BINDER GmbH: German manufacturer of climate chambers, growth chambers, and drying/heating ovens serving pharma, life sciences, and industrial labs. Overlaps directly with Weiss Technik's pharma stability, growth chamber, and industrial oven portfolios.
• Memmert GmbH + Co. KG: German manufacturer of temperature chambers, climate chambers, CO2 incubators, and sterilisers for laboratory and industrial applications. Direct overlap with Weiss Technik's reach-in temperature/humidity and pharma stability lines.
• CTS GmbH (Climatic Testing Systems): German environmental simulation specialist offering temperature, humidity, vibration, and corrosion test chambers for automotive, aerospace, and electronics. Comparable to Weiss Technik in European/global footprint and chamber portfolio.
• ESPEC Corporation: Japanese global manufacturer of environmental test chambers and reliability testing equipment with established North American and European subsidiaries. Competes head-to-head with Weiss Technik in temperature/humidity, thermal shock, and stress screening chambers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UC76ZhLnfWR8VX3MptoclXZA
• LinkedInlinkedin.com/company/weisstechniknorthamericainc
• Instagraminstagram.com/weisstechnik_na_gr

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries1 record

Funding overview

Funding rounds1 record

Investors1 record

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 Weiss Envirotronics