FlowTherm Systems
FlowTherm Systems designs and manufactures pre-engineered, packaged HVAC, plumbing, and heat transfer systems on structural steel skids, serving mechanical engineers, contractors, building owners, and institutions across the US and select international markets from its Hayward, California facility.
- Company typePrivate
- Founded1970
- HeadquartersHayward, United States
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What FlowTherm Systems does
FlowTherm Systems is a privately held US manufacturer of pre-engineered, packaged mechanical systems for HVAC, plumbing, and heat transfer applications, founded in 1970 and operating as a division of California Hydronics Corporation from a 9,000-square-foot environmentally controlled facility in Hayward, California. The company designs and assembles systems including pressure booster pumping systems (Simplex, Duplex, Triplex), the energy-efficient Nanowatt ECM Booster System with Class IE5 EC motors, hydronic heating packages, gas-fired domestic hot water systems, steam-to-water heat transfer packages featuring Bell & Gossett heat exchangers, water source heat pumps, process cooling systems, and the Temperfect electronic tempering valve station. Systems are mounted onto structural steel frames engineered per Seismic Zone 4, ship UL-listed industrial control panels, and meet a broad certification stack (UL, ASHRAE 90.1-2010, IAPMO Lead Free, ASME Section IX, AWS D1.1, ASME/ANSI B31.9/B31.1/B31.7). FlowTherm builds more than 300 customized systems per year and has delivered over 4,000 equipment packages across the US and select international markets.
FlowTherm Systems firmographics
Firmographics- Name
- FlowTherm Systems
- Legal name
- FlowTherm Systems
- Website
- https://flowtherm.com
- Company type
- Private
- Founded year
- 1970
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- FlowTherm Systems designs and manufactures pre-engineered, packaged HVAC, plumbing, and heat transfer systems on structural steel skids, serving mechanical engineers, contractors, building owners, and institutions across the US and select international markets from its Hayward, California facility.
- Ownership category
- akta.pro rank
Where FlowTherm Systems is headquartered
LocationHeadquarters
- HQ city
- Hayward
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
FlowTherm Systems business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Packaged Mechanical Systems Sales: Primary revenue from designing, manufacturing, and selling pre-engineered packaged systems for mechanical, plumbing, and heat transfer applications. Products include booster pump systems, hydronic heating systems, domestic hot water systems, heat transfer packages, water source heat pumps, and process cooling systems. Revenue is project-based with custom system configurations driving value.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Standard pressure booster systems (200 psig discharge pressure) |
Go-to-market motion1 record
Distribution channels8 records
Marketing channels4 records
FlowTherm Systems product offering
Product offeringCore offering
FlowTherm Systems designs, manufactures, and supplies pre-engineered, packaged mechanical systems for HVAC, plumbing, and heat transfer applications. Products include pressure booster pump systems, hydronic heating systems, gas-fired domestic hot water systems, heat transfer packages, water source heat pumps, pump packages, and process cooling systems—all mounted onto structural steel frames for easy rigging. The company builds more than 300 customized systems per year in its Hayward, California facility, tailoring each package to project-specific dimensional, environmental, and code-compliance requirements.
Product overview
FlowTherm Systems provides pre-engineered, packaged systems for mechanical, plumbing, and heat transfer applications. The product portfolio includes Nanowatt ECM Booster Systems (energy-efficient pressure boosters with Class IE5 motors), Simplex and Duplex/Triplex Pressure Booster Systems, Hydronic Heating Systems (boiler-based), Domestic Hot Water Systems (gas-fired, condensing/non-condensing), Heat Transfer Packages (steam-to-water), Water Source Heat Pumps, Pump Systems (hydronic packages), Process Cooling systems, and the Temperfect electronic tempering valve station. Products are assembled onto structural steel frames for easy rigging and installation. FlowTherm also builds over 300 site-specific custom systems annually to meet unique spatial, environmental and sustainability requirements. A web-based Booster Pump Selector Tool supports product selection with downloadable CAD/Revit drawings and submittal documentation.
Differentiator
Problem solved
Functional benefit
Brands
- Nanowatt ECM Booster System: Pressure booster system featuring Class IE5 EC motors combining synchronous reluctance and permanent magnet technologies, reducing energy consumption by up to 20%.
- Simplex Booster System
- Temperfect
Products and services
- Nanowatt ECM Booster System
Quantifiable outcome
- Energy savings through ASHRAE 90.1-2010 compliance without need for remote sensors
- +2 more outcomes
Companies that use FlowTherm Systems
Customer profileNamed customers20 records
Segments5 records
Ideal customer profiles5 records
FlowTherm Systems technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
FlowTherm Systems partnerships and signals
Strategic signalPartnerships
Ten partnerships are on record, tiered core, major and minor.
- California Hydronics CorporationcoreFlowTherm Systems is a subsidiary of California Hydronics Corporation. California Hydronics Corporation maintains and operates the FlowTherm website and related sites for informational purposes. FlowTherm operates as a division (A Division of CHC) under the parent company structure.
- Bell & GossettcoreEquipment partner supplying heat exchangers for FlowTherm custom skids. Bell & Gossett heat exchangers (50 million BTU units) are featured in custom skid solutions such as the Micron Technology R&D facility project.
- Titan SalesmajorRegional distribution partner covering the Greater United States. Located at 2293 Tripaldi Way, contact (626) 808-6147, [email protected].
- CHC CaliforniamajorRegional distribution partner covering Northern California. Part of the CHC family of companies.
- CHC ColumbiamajorRegional distribution partner covering Alaska, Washington, Oregon, Nevada, and Arizona. Located at 5408 NE 88th Street, Bldg A, Vancouver, WA 98665.
- Dawson CompanymajorRegional distribution partner covering Southern California. Located at 9181 Chesapeake Dr., San Diego, CA 92123.
- Gritton & Associates Inc.minorRegional distribution partner covering Idaho and Montana. Located at 9476 W Fairview Ave., Boise, ID 83704.
- Boyd Engineering Supply CompanyminorRegional distribution partner covering New Mexico Territory. Located at 206 Conchas St SE, Albuquerque, NM 97123.
- TLA, Inc.minorRegional distribution partner covering Virginia and Maryland. Located at 111 N Otterdale Road, Midlothian, VA 23113.
- CHC PacificmajorInternational sales partner handling sales outside the United States. Part of the CHC family of companies.
Scale indicators4 records
Recent moves6 records
Expansion highlights5 records
FlowTherm Systems competitors and assessment
Company assessmentDirect peers
- Bell & Gossett: A leading manufacturer of pumps, heat exchangers and hydronic accessories, and FlowTherm's featured equipment partner in custom skids such as the Micron R&D project. It is the most direct comparable for packaged mechanical systems integrating pumps, heat exchangers and controls.
- Taco Comfort Solutions: Designs and manufactures hydronic components, pumps and pre-engineered systems for HVAC and plumbing applications. Closely comparable to FlowTherm's hydronic heating and packaged pump products for commercial and institutional buildings.
- Patterson-Kelley: Manufactures commercial hot-water boilers, boilers and packaged heating systems used in education, healthcare and government buildings. Highly comparable to FlowTherm's domestic hot water and hydronic heating skid offerings.
- Wessels Company: Specializes in packaged HVAC and plumbing specialty equipment including pressure boosters and hydronic specialties. A strong direct peer to FlowTherm's booster pump and packaged mechanical systems.
- Amtrol: Manufactures hydronic and plumbing specialty products including well tanks, expansion tanks and packaged systems. Comparable to FlowTherm in plumbing-side packaged equipment serving commercial and institutional customers.
- Caleffi: Produces hydronic components and pre-assembled stations for HVAC and plumbing distribution. Comparable to FlowTherm's pre-engineered hydronic and tempering valve stations like the Temperfect product line.
Broad incumbents
- Xylem: Global water technology company and parent of Bell & Gossett; offers pumps, heating and integrated building services at much larger scale. A broad incumbent competing with FlowTherm in packaged mechanical and hydronic solutions for commercial buildings.
- Watts Water Technologies: Broad manufacturer of plumbing, flow control and water quality products with deep engineering specification presence. Competes with FlowTherm on packaged booster and plumbing systems for institutional and government customers.
- Rheem: Large manufacturer of commercial water heating, boilers and HVAC equipment. Competes with FlowTherm's domestic hot water and hydronic heating packaged systems at higher volume and broader brand reach.
Emerging players
- Lochinvar: Specialist in high-efficiency commercial boilers and water heaters, with growing packaged and modular offerings. Comparable to FlowTherm's hydronic heating and hot water product lines serving similar engineering-specified projects.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
FlowTherm Systems social profiles
Digital presenceFlowTherm Systems compliance and trust
Trust signalCompliance11 records
FlowTherm Systems financial estimates
Financial estimateRevenue estimate
Valuation estimate
FlowTherm Systems leadership team
Management profileNumber of profiles
Profiles2 records
FlowTherm Systems funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
FlowTherm Systems 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 FlowTherm Systems
What does FlowTherm Systems do?
FlowTherm Systems designs, manufactures, and supplies pre-engineered, packaged mechanical systems for HVAC, plumbing, and heat transfer applications. Products include pressure booster pump systems, hydronic heating systems, gas-fired domestic hot water systems, heat transfer packages, water source heat pumps, pump packages, and process cooling systems—all mounted onto structural steel frames for easy rigging. The company builds more than 300 customized systems per year in its Hayward, California facility, tailoring each package to project-specific dimensional, environmental, and code-compliance requirements.
Is FlowTherm Systems a public or private company?
FlowTherm Systems is a private company. It is classified as corporate owned and is currently operating.
When was FlowTherm Systems founded?
FlowTherm Systems was founded in 1970. It employs 51 to 100 people.
Where is FlowTherm Systems based?
FlowTherm Systems is headquartered in Hayward, United States, in the North America region.
How does FlowTherm Systems make money?
One revenue line is on record: packaged Mechanical Systems Sales.
Who are FlowTherm Systems's main competitors?
Direct peers on record are Bell & Gossett, Taco Comfort Solutions, Patterson-Kelley, Wessels Company, Amtrol and Caleffi. Broad incumbents are Xylem, Watts Water Technologies and Rheem. Lochinvar is listed as an emerging player.
Does FlowTherm Systems have an API?
No public API is recorded for FlowTherm Systems.