Heliodyne
Heliodyne Inc., founded 1976 in Richmond, CA, is America's oldest manufacturer of solar hot water collectors and systems, selling GOBI flat-plate collectors, balance-of-system pump stations, controllers, tanks, and mounting hardware to engineers, contractors, and installers for residential and commercial projects.
- Company typePrivate
- Founded1976
- HeadquartersRichmond, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Heliodyne does
Heliodyne Inc. is a privately held, California-incorporated manufacturer of solar thermal water heating systems, founded in 1976 and headquartered at 4910 Seaport Avenue, Richmond, CA. The company designs, assembles, and distributes flat-plate solar collectors (notably the GOBI series, the thinnest-profile collector in the US at just over 2.5 inches), residential and commercial balance-of-system pump stations (HPAK, HPAS, HCOM, HTOL), Delta-T controllers, storage tanks (pressurized, atmospheric, and ASME-certified), and proprietary mounting hardware. All factory-assembled components are pressure-tested to 300 PSI, and select collectors carry SRCC OG-100, Energy Star, IBC, and ASME certifications.
Heliodyne monetizes through one-time hardware sales and ancillary design services (feasibility studies, sizing tools, PE-stamped engineering plans for permitting). It does not publish pricing and operates an enterprise field-sales motion via a network of engineers, contractors, and installers who specify its systems into residential and commercial projects. Commercial customers include universities, government facilities, senior housing, and hotels, with reference deployments ranging from 32 to 825 collectors. The company claims global project facilitation across Northern Europe, North America, South Asia, and the Middle East.
The business is bootstrapped with no external investors, no parent company, and no disclosed funding rounds. Distribution relies entirely on trade partners rather than direct-to-consumer sales, supported by an online Training Academy and a web-based remote monitoring platform. The competitive position rests on 48+ years of category tenure, SRCC/IBC/ASME compliance, and proprietary interconnection (Dyn-O-Seal) technology.
Heliodyne firmographics
Firmographics- Name
- Heliodyne
- Legal name
- Heliodyne Inc.
- Website
- https://heliodyne.com
- Company type
- Private
- Founded year
- 1976
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Heliodyne Inc., founded 1976 in Richmond, CA, is America's oldest manufacturer of solar hot water collectors and systems, selling GOBI flat-plate collectors, balance-of-system pump stations, controllers, tanks, and mounting hardware to engineers, contractors, and installers for residential and commercial projects.
- Ownership category
- akta.pro rank
Heliodyne industry classification
Industry- Product category
- Solar Water Heating Systems
- NAICS
- Heating Equipment (except Warm Air Furnaces) Manufacturing (333414)
- SIC
- Heating Equipment, Except Electric & Warm Air Furnaces (3433)
- akta.pro primary industry
- Solar Thermal & CSP Systems (Collectors, Receivers, Thermal Storage, CSP EPC) (EUAMABAL)
- akta.pro secondary industry
- Solar Mounting, Racking, Trackers & Structural BOS Manufacturing (EUAMAHAC)
Keywords
Where Heliodyne is headquartered
LocationHeadquarters
- HQ city
- Richmond
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Heliodyne business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Solar Thermal Products and Systems: Sale of solar hot water collectors (GOBI), balance of systems (residential and commercial), controllers, tanks, mounting systems, and accessories. Products are pressure tested to 300 PSI and include factory testing.
- Design Services: Engineering services including plans for permitting, pipe diagrams, structural calculations, and PE stamp drawings provided through contracted engineers.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels6 records
Heliodyne product offering
Product offeringCore offering
Heliodyne manufactures and sells solar thermal products for water heating, with the GOBI flat plate solar collector as its flagship product. The full product line includes commercial closed loop systems (HCOM), residential closed loop systems (HPAK with heat exchanger, HPAS without heat exchanger), open loop systems with pre-plumbed tanks (HTOL), Delta-T controllers (Standard and PRO versions), solar storage tanks (pressurized, ASME-certified, atmospheric, and electric backup variants), IBC-certified mounting systems, and accessories such as DOS Unions, sensors, and air vents. The company also provides design services including feasibility studies, sizing tools, financial calculators, pipe diagrams, structural calculations, and PE-stamped plans for permitting.
Product overview
Heliodyne is America's oldest manufacturer of solar hot water collectors and systems, established in 1976. The company offers a comprehensive portfolio of solar thermal products centered around the GOBI solar collector as the core offering. The product line includes multiple solar water heating system configurations: commercial systems (HCOM), residential closed loop systems (HPAK, HPAS), and open loop systems (HTOL). Supporting products include Delta-T controllers for system management, solar storage tanks in various configurations (pressurized, ASME-certified, atmospheric, with electric backup), and purpose-built mounting systems for GOBI collectors. The company also provides design services including feasibility studies, sizing tools, and engineering support. All products are pressure tested to 300 PSI and come with web-based remote monitoring capabilities for both residential and commercial applications.
Differentiator
Problem solved
Functional benefit
Quantifiable outcome
- High energy output certified by SRCC OG-100 ratings
Companies that use Heliodyne
Customer profileNamed customers6 records
Segments2 records
Ideal customer profiles2 records
Heliodyne technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Heliodyne partnerships and signals
Strategic signalScale indicators2 records
Recent moves5 records
Expansion highlights4 records
Heliodyne competitors and assessment
Company assessmentDirect peers
- Solimpeks: Turkey-based manufacturer of evacuated-tube and flat-plate solar thermal collectors for residential, commercial, and industrial hot water applications. Comparable because it competes globally on solar collector manufacturing with a similar product mix and commercial-project focus, intersecting with Heliodyne in Middle East and European tenders.
- Wagner Solar: German manufacturer and distributor of solar thermal (and complementary PV/heat-pump) systems, focused on flat-plate and evacuated-tube collectors for residential and commercial hot water. Comparable because Wagner sells into the same European solar thermal specification channel and offers a similar integrated collector-plus-system approach to Heliodyne.
- SunEarth: US-based manufacturer of flat-plate solar thermal collectors and complete solar hot water systems for residential, commercial, and pool-heating applications. Directly comparable as a US-domestic solar thermal manufacturer competing in the same contractor-driven specification channel, particularly in commercial-scale hot water projects.
- Thermomax (Kingspan): UK-originated solar thermal collector brand now operating under Kingspan, manufacturing evacuated-tube and flat-plate collectors for residential, commercial, and industrial hot water applications. Comparable because it sells SRCC-rated solar collectors and packaged solar hot water systems into the same US and European commercial and institutional channels that Heliodyne serves.
- Sunrain: China-headquartered manufacturer of flat-plate and vacuum-tube solar thermal collectors and integrated solar water heating systems for residential and commercial markets. Directly comparable as a global solar thermal equipment manufacturer with comparable product breadth across collectors, tanks, and controls, competing with Heliodyne especially on price-sensitive commercial projects.
- Alternate Energy Technologies (AET): US-based manufacturer of flat-plate solar thermal collectors and complete solar hot water systems for residential and commercial applications. Directly comparable as a US-domestic peer offering SRCC-rated flat-plate collectors and packaged systems targeting the same engineer/contractor specification channel as Heliodyne.
Broad incumbents
- Viessmann: German-based global heating, industrial and refrigeration systems manufacturer with a dedicated solar thermal product line (Vitosol flat-plate and vacuum-tube collectors). Directly comparable because it sells solar hot water collectors and balance-of-system components alongside broader HVAC/water-heating offerings, competing with Heliodyne in commercial and residential solar thermal projects worldwide.
- Stiebel Eltron: German-headquartered global manufacturer of water heating and renewable heating products, including heat pump water heaters, solar thermal systems, and tankless electric water heaters. Comparable because it sells solar thermal systems alongside broader water-heating and heat-pump portfolios into the same residential and commercial channels, providing competitive cross-substitution pressure on Heliodyne.
- Rheem: US-headquartered global manufacturer of water heating, heating, and cooling equipment with a broad portfolio spanning gas, electric, heat pump, and tankless water heaters. Comparable as a broad incumbent supplying commercial and residential hot-water equipment into the same contractor channel, competing for the same decarbonization-driven specification opportunities.
Emerging players
- Caleffi: Italian-headquartered manufacturer of hydronic and plumbing components (valves, controls, heat-exchanger stations, and balance-of-system hardware) used in heating and solar thermal installations. Comparable because it provides complementary balance-of-system and control components that compete with Heliodyne's tank, mounting, and Delta-T controller lines in the same installer-driven hydronic specification channel.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Heliodyne social profiles
Digital presenceHeliodyne compliance and trust
Trust signalCompliance3 records
Heliodyne financial estimates
Financial estimateRevenue estimate
Valuation estimate
Heliodyne leadership team
Management profileNumber of profiles
Profiles1 record
Heliodyne funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Heliodyne M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Heliodyne
What does Heliodyne do?
Heliodyne manufactures and sells solar thermal products for water heating, with the GOBI flat plate solar collector as its flagship product. The full product line includes commercial closed loop systems (HCOM), residential closed loop systems (HPAK with heat exchanger, HPAS without heat exchanger), open loop systems with pre-plumbed tanks (HTOL), Delta-T controllers (Standard and PRO versions), solar storage tanks (pressurized, ASME-certified, atmospheric, and electric backup variants), IBC-certified mounting systems, and accessories such as DOS Unions, sensors, and air vents. The company also provides design services including feasibility studies, sizing tools, financial calculators, pipe diagrams, structural calculations, and PE-stamped plans for permitting.
Is Heliodyne a public or private company?
Heliodyne is a private company. It is classified as unknown and is currently operating.
When was Heliodyne founded?
Heliodyne was founded in 1976. It employs 11 to 50 people.
Where is Heliodyne based?
Heliodyne is headquartered in Richmond, United States, in the North America region.
How does Heliodyne make money?
Two revenue lines are on record. Solar Thermal Products and Systems are the primary driver. The others are design Services.
Who are Heliodyne's main competitors?
Direct peers on record are Solimpeks, Wagner Solar, SunEarth, Thermomax (Kingspan), Sunrain and Alternate Energy Technologies (AET). Broad incumbents are Viessmann, Stiebel Eltron and Rheem. Caleffi is listed as an emerging player.
Does Heliodyne have an API?
No public API is recorded for Heliodyne.
What industry is Heliodyne in?
Heliodyne's product category is Solar Water Heating Systems. Its primary akta.pro industry code is EUAMABAL, Solar Thermal & CSP Systems (Collectors, Receivers, Thermal Storage, CSP EPC), with a secondary code of EUAMAHAC, Solar Mounting, Racking, Trackers & Structural BOS Manufacturing. Its NAICS code is 333414 and its SIC code is 3433.