What Tenney Environmental does

Tenney Environmental, founded in 1932 and headquartered in New Columbia, Pennsylvania, is a manufacturer of temperature-, humidity-, altitude-, vacuum-, and thermal-shock-controlled environmental test chambers serving aerospace, defense, pharmaceutical, medical, automotive, electronics, and industrial customers. The company operates as a division of TPS, LLC (Thermal Product Solutions), alongside sister brands Lunaire, Blue M, Gruenberg, Lindberg/MPH, and Wisconsin Oven. Tenney's product portfolio spans benchtop units (0.25 cu ft), reach-in chambers, walk-in rooms up to 1,351+ cu ft, thermal vacuum space simulation chambers reaching 1x10^-7 Torr, and custom-engineered configurations for satellite testing, battery safety testing (NFPA 86-compliant), and MIL-STD-qualified thermal shock applications. Proprietary technology includes the in-house-designed Smart 1.2 PLC controller, Synergy Quattro temperature controller, intrinsically safe interior designs, and direct-injection cryogenic CO2 cooling systems.

The business model is a B2B direct-enterprise sales motion with quote-based pricing — most chambers are custom-configured to customer specifications, with a parts e-commerce store at store.thermalproductsolutions.com and rental/refurbished equipment programs providing additional revenue streams. Aftermarket services (calibration, validation, retrofits, preventive maintenance, and installation) performed by factory-trained technicians generate recurring revenue from the installed base. Demand generation relies heavily on industry trade shows (SATELLITE, PACK EXPO, Automotive Testing Expo, Battery Show, Space Tech Expo, Small Satellite Conference, DATT Summit) and technical content marketing including white papers on battery testing and ICH Q1A stability testing. The company is privately held, with Greg Jennings serving as President and CEO of the parent TPS, LLC; no venture funding, M&A activity, or public ownership signals are disclosed in the available data.

Name

Tenney Environmental

Legal name

TPS, LLC

Website

https://tenney.com

Company type

Private

Founded year

1932

Operating status

Operating

Short description

Tenney Environmental, a division of TPS, LLC, manufactures custom and standard environmental test chambers for aerospace, defense, pharmaceutical, automotive, and electronics customers, generating revenue through direct enterprise sales, aftermarket services, and rental/refurbished equipment programs.

Ownership category

akta.pro rank

Product category

Environmental Test Chamber Manufacturing

NAICS

Analytical Laboratory Instrument Manufacturing (334516)

SIC

Laboratory Apparatus & Furniture (3821)

akta.pro primary industry

Metrology, Calibration & Testing Equipment (Balances, pH/DO, Standards) (HLAGAIAL)

akta.pro secondary industry

General Lab Equipment (Centrifuges, Incubators, Shakers, Ovens) (HLAGAIAC)

Keywords

• Environmental test chambers
• Thermal shock testing
• Altitude simulation chambers
• Vacuum space chambers
• Stability testing chambers

Headquarters

HQ city

New Columbia

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Environmental Test Chamber Sales: Manufacture and sale of standard and custom environmental test chambers including altitude, temperature/humidity, thermal shock, vacuum space, and walk-in chambers. Revenue is generated through one-time capital equipment purchases with varying configurations and sizes.
2. Vacuum Ovens: Sale of vacuum ovens for drying, curing, outgassing, aging, and process control applications requiring elevated temperatures in reduced atmospheres.
3. Aftermarket Parts and Services: Replacement parts, MAX aftermarket services, retrofits, validation, calibration, preventive maintenance, and installation services performed by factory-trained technicians.
4. Rental and Refurbished Equipment: Rental and sale of refurbished environmental test chambers, industrial ovens, and furnaces.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Tenney Environmental manufactures standard and custom environmental test chambers that simulate temperature, humidity, altitude, vacuum, and thermal shock conditions for product testing and validation. The portfolio spans benchtop units to walk-in rooms (0.25 to 1,351+ cubic feet) across the Tenney and Lunaire brands, complemented by factory-trained aftermarket services for parts, calibration, retrofit, validation, and preventive maintenance.

Product overview

Tenney Environmental, a division of Thermal Product Solutions, offers one of the most comprehensive lines of standard and custom environmental testing chambers and rooms in the industry. The product portfolio includes temperature-only chambers (Tenney Junior, Benchmaster), temperature/humidity chambers (C-EVO, TC Series, UTC, T2), altitude test chambers (Strat), thermal shock chambers (Junior, Standard, WSP), vacuum and space simulation chambers (SVO, Space Chamber), walk-in chambers and rooms, battery test chambers (SafeTest), stability chambers under the Lunaire brand, and conditioned air supply systems. The company also offers the DATASENSE monitoring system for data logging and provides rental/refurbished equipment options. These products serve aerospace, defense, automotive, pharmaceutical, electronics, medical, and other industries requiring precise environmental testing conditions.

Differentiator

Problem solved

Functional benefit

Brands

• Lunaire: Lunaire manufactures steady state, stability, and shelf life testing chambers and walk-in rooms for pharmaceutical, electronics, and biomedical applications.
• Tenney Asia

Products and services

• Tenney Strat Altitude Test Chamber Altitude test chamber that simulates extreme high-altitude and humidity conditions, sized 6.4 to 64 cubic feet with a temperature range of -70°C to +177°C and altitude simulation from site level to 100,000 feet; for aerospace and electronics testing programs.
• Tenney Benchmaster Test Chamber Compact benchtop environmental test chamber with 5 cubic foot workspace and cascade refrigeration/heating for temperature and humidity testing of components and small assemblies.
• Tenney Junior Compact Temperature Test Chambers Benchtop and floor compact temperature test chambers with 1.2 cubic foot workspace and a -68°C to +180°C range, used for electronic, military, and pharmaceutical QA testing; one of Tenney's longest-running products.
• Tenney SafeTest Battery Test Chambers Specialized battery testing chambers with comprehensive safety features for automotive, computer, telecom, defense, and alternative-energy industries; NFPA 86 compliant.
• Tenney Walk-In Battery Test Chamber Large-scale walk-in battery testing chambers for comprehensive testing of large-format battery cells, modules, and packs.
• Tenney Conditioned Air Supply Systems Systems that reliably and accurately cool or heat existing rooms and spaces, with a temperature range of -70°C to 90°C at ±0.3°C tolerance.
• Tenney Custom Environmental Chambers Custom-designed environmental chambers engineered to customer specifications for unique testing requirements that cannot be met by standard catalog products.
• Tenney C-EVO Temperature/Humidity Test Chamber Reach-in environmental cycling chamber available in 10, 20, 30, 40, and 64 cubic foot sizes with a -68°C to +180°C temperature range and 20% to 95% RH humidity range.
• Tenney Fast Change Rate Chambers Reach-in chambers engineered to simulate harsh environmental conditions at accelerated change rates from -35°C to 200°C (Single Stage) or -73°C to 200°C (Cascade), using scroll compressor technology.
• Tenney T2 Temperature/Humidity Cycling Test Chamber Compact temperature and humidity cycling chamber with 2 cubic foot workspace designed for mobility and floor-space savings with minimal thermal transfer.
• Tenney TC Series Cycling Test Chambers Reach-in environmental cycling chambers in 10 to 64 cubic foot sizes with high-volume horizontal-down airflow, electric heating, and mechanical refrigeration.
• Tenney UTC Upright Environmental Chambers Space-saving vertical configuration reach-in chamber with 5 cubic foot workspace for temperature and humidity testing.
• Lunaire Stability Test Chambers (CEO) Steady-state stability chambers under the Lunaire brand for controlled temperature and humidity testing, ideal for ICH Q1A stability testing, shelf-life studies, and controlled storage.
• Lunaire Steady State Chamber (SS) Steady-state temperature-only chambers for stability, shelf-life, and pharmaceutical testing applications.
• Lunaire Walk-In Stability Test Chamber (WSS) Walk-in stability and shelf-life testing chambers under the Lunaire brand for full-scale, controlled temperature and humidity storage.
• Tenney Thermal Shock Junior Test Chamber Compact thermal shock chamber with 0.25 cubic foot workspace, -65°C to +200°C range, and automated two-zone control for electronics and component testing.
• Tenney Thermal Shock Test Chamber Thermal shock chamber for safe, efficient environmental testing of electronics, consumer products, and aerospace/military components in sizes 2 to 8 cubic feet with a -73°C to +200°C range.
• Tenney WSP Thermal Shock Test Chamber Air-to-air thermal shock chamber with automated dry shock testing from +200°C to -70°C using a movable chamber transfer system; 2.1 cubic foot workspace.
• Tenney 8.5SVO Vacuum Lab Oven Vacuum lab oven with 8.5 cubic foot workspace, ambient to +200°C temperature range, and 8mm/hg vacuum capability for drying, curing, outgassing, and aging applications.
• Tenney SVO Reach-In Vacuum Oven Reach-in vacuum oven in 8 to 64 cubic foot sizes, 15°C above ambient to +150°C temperature range, and vacuum down to 20.88 mm Hg for precision altitude and thermal testing.
• Tenney Vacuum Space Chamber Thermal vacuum space simulation chamber for aerospace testing, sized 2.65 to 226 cubic feet, -70°C to +125°C range, and vacuum simulation from site level to 1x10-7 Torr.
• Tenney Walk-In Temperature/Humidity Test Rooms Walk-in environmental test rooms in 11 sizes from 316 to 1,351 cubic feet with a -68°C to 85°C temperature range and 20% to 95% RH humidity control.
• Rental and Refurbished Equipment Program Refurbished and rental environmental test chambers, industrial ovens, and furnaces offered as a lower-cost acquisition or temporary capacity alternative to new equipment purchases.
• MAX Aftermarket and Field Services Aftermarket support services including replacement parts, retrofits, validation, calibration, preventive maintenance, and installation services performed by factory-trained technicians on Tenney/Lunaire equipment.

Quantifiable outcome

• Reduced drying cycle time from 12+ hours to 4 hours for aerospace spacecraft engine applications
• +3 more outcomes

Named customers6 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Cincinnati Sub-Zero (CSZ): US manufacturer of temperature, humidity and thermal-shower chambers plus stability/freezer storage units, with overlapping aerospace, defense, and pharmaceutical customers.
• Thermotron Industries: Independent US manufacturer of environmental test chambers (temperature, humidity, shock, altitude, AGREE) serving aerospace, defense, automotive and electronics — the closest direct competitor to Tenney with a comparable custom-engineering model.
• BINDER GmbH: German manufacturer of laboratory and industrial environmental simulation chambers (including stability and CO₂ incubators) with global reach into pharma and life-science customers, overlapping with Tenney/Lunaire stability chamber lines.
• Atlas Material Testing Technology: Specialist in weathering, corrosion and environmental durability testing equipment, competing with Tenney for accelerated-aging and standards-based test programs in automotive and materials labs.
• Associated Environmental Systems (AES): US manufacturer of temperature, humidity and altitude chambers with similar reach-in and walk-in configurations serving automotive, electronics and medical device customers.
• Bemco Inc. California-based environmental chamber manufacturer producing temperature, altitude and thermal-vacuum systems, frequently bidding against Tenney for aerospace and defense test equipment contracts.
• Weiss Technik (Vötsch Industrietechnik): European leader in environmental simulation and climate chambers operating globally, offering standard and custom solutions in the same aerospace, automotive and pharma verticals Tenney serves.
• CTS (Climate Testing Systems): Specialty maker of thermal-shock, altitude and AGREE chambers, frequently competing head-to-head with Tenney on aerospace and defense test programs.
• Russell’s Technical Products: Benchtop and reach-in environmental chamber maker supplying aerospace, electronics and defense QA labs — a smaller but directly comparable US peer focused on standard product lines.
• ESPEC Corporation: Japan-based global environmental test chamber maker with a broad standard catalog and significant US footprint through ESPEC North America, competing with Tenney across temperature/humidity and thermal-shock product lines.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/ThermalProductSolutions17856
• LinkedInlinkedin.com/company/tenney-lunaire

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

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 Tenney Environmental