What Solar Manufacturing does

Solar Manufacturing is a privately held, family-owned U.S. manufacturer of vacuum heat treating furnaces, founded in 2002 as part of the Solar Atmospheres group of companies (which itself dates to 1983) and headquartered in a 60,000+ sq. ft. facility in Sellersville, Pennsylvania. The company designs and builds a broad portfolio of vacuum furnaces, ranging from compact laboratory units (Mentor, Mentor Pro) to large Horizontal Internal Quench, External Quench, Vertical Bottom Loading, and Car Bottom systems with load capacities up to 150,000 lbs. Core technical capabilities include graphite and molybdenum hot zone construction, high-pressure gas quenching up to 20 bar (285 PSIG), temperature uniformity of ±10°F (meeting AMS 2750), operating temperatures up to 3,000°F, and the proprietary SolarVac / SolarVac Polaris PLC-based control systems built on Allen-Bradley CompactLogix and Wonderware InTouch. The portfolio also covers the NEO vacuum oil quench furnace, Low Pressure Carburizing (LPC) systems, and Vacuum Gas Nitriding furnaces.

The business model is primarily industrial capital equipment sales (hardware), complemented by recurring and aftermarket revenue streams including replacement hot zones (for both Solar and competitor OEMs), spare parts, field service and preventive maintenance, R&D engineering / process development, and vacuum pump services. Pricing is quote-based with no publicly disclosed pricing. Go-to-market combines a direct enterprise field sales team (regional managers covering East Coast, Midwest, and International/West Coast), a network of U.S. domestic sales representatives, and international reps in Mexico, Singapore, and Taiwan. Solar Manufacturing sells primarily into aerospace (turbine blades, structural components, fasteners), medical devices (implants, surgical instruments), automotive, power generation, titanium processing, and additive manufacturing post-processing, with compliance positions in NADCAP, AMS 2750 / AMS 2759 series, CQI-9, and NFPA 86.

A defining structural feature is the close integration with sister company Solar Atmospheres, the largest vacuum-only commercial heat treater in North America operating over 90 vacuum furnaces 24/7, which functions as a real-world R&D test bed and process development feedback loop. Vertical integration is reinforced by Magnetic Specialties (acquired 2002), which supplies custom power supplies and transformers internally. The company holds an extensive patent portfolio (over 40 issued patents dating from 1969 through 2023) primarily invented by founder/CEO William R. Jones, covering hot zones, heating elements, quenching systems, and control thermocouples.

Name

Solar Manufacturing

Legal name

Solar Manufacturing, Inc.

Website

https://solarmfg.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

51–100 employees

Short description

Solar Manufacturing is a privately held U.S. designer and manufacturer of vacuum heat treating furnaces, hot zones, and proprietary SolarVac controls, serving aerospace, medical device, automotive, and industrial customers across North America and select international markets with capital equipment and aftermarket services.

Ownership category

akta.pro rank

Product category

Industrial Vacuum Furnaces

NAICS

Industrial Process Furnace and Oven Manufacturing (333994)

SIC

Industrial Process Furnaces & Ovens (3567)

akta.pro primary industry

Industrial Furnaces, Kilns & Thermal Processing Equipment (IMAHAEAE)

akta.pro secondary industry

Heat Treatment & Thermal Processing Furnaces (Hardening, Annealing, Induction) (IMAHADAI)

Keywords

• Vacuum heat treating furnaces
• Vacuum furnace manufacturing
• Industrial heat treatment equipment
• Vacuum brazing furnaces
• Metal heat treating systems

Headquarters

HQ city

Sellersville

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Vacuum Furnace Sales: Design, manufacture, and sale of vacuum heat treating furnaces including Mentor, Mentor Pro, Internal Quench, External Quench, Vertical Bottom Loading, Car Bottom, NEO oil quench, and specialized furnaces. Revenue generated through direct equipment sales to commercial heat treaters, aerospace manufacturers, medical device companies, and industrial manufacturers.
2. Replacement Hot Zones: Design and manufacture of replacement hot zones for Solar Manufacturing furnaces and competitor OEM furnaces. Available in graphite or metallic construction with focus on energy efficiency and durability.
3. Spare Parts: Extensive inventory of vacuum furnace spare parts including heating elements, insulators, thermocouples, O-rings, hearth components, pump parts, vacuum pump oils, power supplies, transformers, work grids, baskets and racks, and graphite/materials. Same-day shipping available for many items.
4. Field Service and Support: Vacuum furnace field service including installation, removal, relocation, temperature uniformity surveys, troubleshooting, leak checking, component repair, emergency repairs, and preventative maintenance plans.
5. R&D Engineering Services: Process development and optimization services including metallurgical support, laboratory testing, and process development for low pressure carburizing, vacuum gas nitriding, titanium nitriding, solution nitriding, hydriding/dehydriding, and powder sintering.
6. Vacuum Pump Services: Vacuum pump repair, reconditioning, and service including rotary pumps, booster blowers, rotary vane pumps, piston pumps, and oil vapor diffusion pumps. Includes onsite services and training.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Solar Manufacturing designs, manufactures, and sells vacuum heat treating furnaces — ranging from compact Mentor/Mentor Pro production units to large car-bottom furnaces with load capacities up to 150,000 lbs — for industrial heat treatment processes including hardening, brazing, stress relieving, normalizing, annealing, tempering, sintering, low pressure carburizing, and vacuum gas nitriding. The company also supplies replacement hot zones, proprietary SolarVac control systems, aftermarket spare parts, field service, R&D process development, and vacuum pump repair services.

Product overview

Solar Manufacturing is a privately held U.S.-based company designing and building technologically advanced vacuum heat treating furnaces and related equipment. The product portfolio centers on vacuum furnaces including compact Mentor and Mentor Pro models, full-size Horizontal Internal/External Quench (HFL-IQ/EQ) and Vertical Bottom Loading (VBL) furnaces, and large Car Bottom (HCB) furnaces with capacities up to 150,000 lbs. The company offers specialized process capabilities including NEO vacuum oil quench furnaces, Low Pressure Carburizing (LPC) systems, and Vacuum Gas Nitriding furnaces. Supporting products include replacement Hot Zones (graphite or metallic construction), SolarVac Control Systems (PLC-based automation with optional Polaris upgrade), and comprehensive aftermarket services including spare parts, field service, R&D engineering, and vacuum pump services. All products are backed by the affiliated Solar Atmospheres commercial heat treating network operating over 90 vacuum furnaces for continuous product development and process validation.

Differentiator

Problem solved

Functional benefit

Brands

• Mentor®: Mentor Vacuum Furnace - compact, economical production furnace with hot zone measuring 12"H x 12"W x 18"D
• Mentor® Pro
• NEO®
• SolarVac®
• SolarVac® Polaris

Products and services

• Vacuum Heat Treating Furnaces Electrically heated, high-vacuum, batch-type furnaces ranging from compact laboratory systems to large car-bottom furnaces with load capacities up to 150,000 lbs, used for heat treating, brazing, stress relieving, normalizing, annealing, tempering, sintering, carburizing and nitriding processes.
• Mentor® Vacuum Furnace Compact, horizontal front-loading vacuum heat treating and brazing furnace (model HFL-2018-2IQ) mounted on a portable platform with a 12 x 12 x 18 inch hot zone, graphite felt insulation, operating temperatures up to 2400°F, 7.5 HP internal gas quenching up to 2 bar, and 250 lb weight capacity; aimed at smaller production needs and tool & die / laboratory use.
• Mentor® Pro Vacuum Furnace Mid-sized, horizontal front-loading vacuum heat treating and brazing furnace (model HFL-3036-2IQ) with 18 x 18 x 36 inch hot zone, operating temperatures up to 2400°F, 50 HP internal gas quenching up to 2 bar, and 1,000 lb weight capacity for economical mid-volume production.
• NEO® Vacuum Oil Quench Furnace Batch-type graphite insulated furnace with vacuum oil quenching for alloys requiring cooling rates exceeding high-pressure gas quenching; 36 x 36 x 48 inch work zone, up to 2100°F, 2,000 lb capacity, 3,000-gallon vacuum-rated oil tank, and hydraulically operated lift-and-place transfer mechanism within 20 seconds.
• Horizontal Internal Quench Vacuum Furnaces (HFL-IQ) Horizontal front-loading, internal quench vacuum heat treating and brazing furnaces with electric resistance heating, internal gas quenching up to 20 bar (270 PSIG), load capacities up to 7,500 lbs, and ±10°F temperature uniformity; designed for high production commercial and captive heat treating shops.
• Horizontal External Quench Vacuum Furnaces (HFL-EQ) Horizontal front-loading, external quench vacuum heat treating and brazing furnaces with a separate quench housing, ±10°F temperature uniformity, external gas quenching up to 15 PSIG (2 bar), and standard work zone sizes ranging from 42 x 42 x 96 inches up to 48 x 48 x 144 inches.
• Vertical Bottom Loading Vacuum Furnaces (VBL) External quench vacuum heat treating and brazing furnaces with vertical bottom loading design for high production commercial, aerospace, and captive heat treating shops; motorized bottom head operation, gas cooling with up to 300 HP recirculation motor, and external gas quenching up to 20 bar.
• Horizontal Car Bottom Loading Vacuum Furnaces (HCB) Horizontal car bottom vacuum heat treating furnaces designed for large, heavy workloads with front and rear hinged autoclave locking-ring doors for loading from both ends; work zones up to 80 x 80 x 432 inches, load capacities up to 150,000 lbs, and dual or triple external gas quenching systems for high velocity 2 bar cooling.
• Low Pressure Carburizing (LPC) Vacuum Furnace Systems Low Pressure Carburizing capability pioneered by Solar Atmospheres, offered on Internal Quench Series model lines; produces uniform high-quality case with minimized distortion and absence of Intergranular Oxidation (IGO), conforms to SAE AMS 2759/7 specification for aerospace carburizing.
• Vacuum Gas Nitriding Furnaces Model HFL-3648-LT batch-type horizontal front-loading vacuum gas nitriding furnace with electrical resistance heating and gas quenching; 36 x 30 x 48 inch work zone, up to 5,000 lb workload, operating temperatures 700–1200°F for nitriding with case depths up to 0.025 inches; compliant with AMS 2759/6 and AMS 2759/10.
• Vacuum Furnace Hot Zones (Replacement and New) High-efficiency replacement hot zones for Solar Manufacturing furnaces and competitor OEM furnaces, available in graphite (up to 3000°F, ±10°F uniformity) or metallic (molybdenum and stainless steel combinations) construction, using up to 46% less electric power than competitive designs.
• SolarVac® Control Systems Proprietary PLC-based control system sold as a standalone product and integrated with Solar Manufacturing furnaces; includes Allen-Bradley CompactLogix PLC, Wonderware InTouch HMI, Eurotherm digital recording, recipe storage, alarm management, supervisory control and data acquisition (SCADA), and remote monitoring via TeamViewer; the Polaris upgrade adds mass flow controllers, variable frequency drives, thermochemical process control, and ConserVac energy management.
• Aftermarket Spare Parts Spare parts inventory for vacuum furnaces including heating elements, thermocouples, O-rings, hearth components, pump parts, vacuum pump oils, power supplies, transformers, work grids, baskets, racks, and graphite/high-temperature alloy materials; same-day shipping available for many items.
• Vacuum Furnace Field Service On-site service for vacuum furnaces including installation, removal, relocation, startup, temperature uniformity surveys, troubleshooting, leak checking, component repair, emergency repairs, and preventative maintenance programs.
• R&D Engineering Services Thermal processing research and development engineering services including process development and optimization, metallurgical support, laboratory testing, and recipe development for low pressure carburizing, vacuum gas nitriding, titanium nitriding, solution nitriding, hydriding/dehydriding, and powder sintering.
• Vacuum Pump Repair and Service Vacuum pump repair, reconditioning, and service for Stokes microvac rotary pumps, Roots type booster blowers, rotary vane pumps, piston pumps, oil vapor diffusion pumps, and related equipment; includes onsite repairs, troubleshooting, preventive maintenance, oil changes, and helium mass spectrometer leak checking.

Quantifiable outcome

• Uses up to 46% less electric power than competitive designs
• +6 more outcomes

Named customers7 records

Segments6 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature5 records

Partnerships

Two partnerships are on record, tiered core.

• Solar AtmospherescoreStrategic or Co-development PartnerSolar Atmospheres is the largest vacuum-only commercial heat treating company in North America, operating over 90 vacuum furnaces across six locations. The strategic partnership provides Solar Manufacturing with continuous real-world testing and process development feedback. Solar Atmospheres performs R&D to keep Solar Manufacturing at the forefront of vacuum technology innovations. The relationship enables collaborative process development for customers.
• Magnetic SpecialtiescoreStrategic or Co-development PartnerMagnetic Specialties (MSI), acquired in 2002, is a manufacturer of custom power supplies and transformers located in Telford, Pennsylvania. Provides specialized electrical components, sub-assemblies, and devices for OEM customers. MSI designs and manufactures custom power control, power electronics, and power transformation equipment used in Solar Manufacturing furnaces.

Scale indicators8 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• PVA TePla: PVA TePla AG manufactures vacuum furnaces for heat treatment, crystal growing, and sintering applications serving semiconductor and industrial markets. Direct competitor in vacuum heat treating furnace technology with broader product scope including crystal growing equipment.
• Gasbarre Products: Gasbarre Products designs and manufactures industrial heat treating equipment including batch and continuous furnaces serving powder metallurgy, automotive, and aerospace customers. Comparable US-based mid-market competitor in industrial heat treatment equipment.
• SECO/WARWICK: SECO/WARWICK designs and manufactures vacuum furnaces and heat treatment equipment for aerospace, medical, and industrial customers globally. Competes directly with Solar Manufacturing in vacuum heat treating furnace product lines and offers a comparable product portfolio across heat treating processes.
• C.I. Hayes: C.I. Hayes designs and manufactures vacuum and atmosphere heat treating furnaces for specialty applications including brazing, sintering, and annealing. Comparable mid-sized US-based furnace manufacturer with similar product positioning in laboratory and production vacuum furnace markets.
• Surface Combustion: Surface Combustion manufactures industrial heat treating furnaces including vacuum and atmosphere furnaces for aerospace and automotive markets. Competes directly with Solar Manufacturing in batch-type heat treating equipment, with overlapping customer base in commercial heat treaters.
• Ipsen: Ipsen is a leading global manufacturer of vacuum heat treating furnaces and atmosphere furnaces serving aerospace, automotive, and commercial heat treating markets. Direct overlap with Solar Manufacturing across horizontal internal quench, external quench, and vacuum oil quench furnace lines; Solar Mfg even services Ipsen furnaces through its replacement hot zone business.
• ALD Vacuum Technologies: ALD is a global manufacturer of vacuum metallurgical furnaces for heat treatment, sintering, and melting. Competes with Solar Manufacturing in high-temperature vacuum processing and serves aerospace, medical, and specialty alloy markets with similar product categories.
• ECM Technologies: ECM Technologies (part of the TIMCAL/ECM group) manufactures vacuum heat treating furnaces and low pressure carburizing systems serving aerospace and industrial markets. Direct peer in vacuum furnace technology with overlapping focus on aerospace and European OEM customers.

Others

• Solar Atmospheres: Solar Atmospheres is the parent/sister company of Solar Manufacturing and operates as the largest vacuum-only commercial heat treater in North America with 90+ furnaces. Included as the affiliate that provides captive R&D and real-world product validation for Solar Manufacturing's equipment, rather than as a competitor.

Broad incumbents

• Inductotherm Group: Inductotherm Group is a diversified global manufacturer of melting, heating, and thermal processing equipment. While primarily focused on induction melting, the group offers heat treating capabilities that overlap with Solar Manufacturing's thermal processing equipment market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/SolarMfg
• Facebookfacebook.com/Solar-Manufacturing-465946000132510

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 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 Solar Manufacturing