Geothermal Alliance of Illinois

What Geothermal Alliance of Illinois does

Geothermal Alliance of Illinois (GAOI) is a statewide nonprofit trade association founded in 2008 that serves as the principal industry body for the geothermal heat pump sector in Illinois. The organization unites installing contractors, mechanical and drilling contractors, electric cooperatives and utilities, manufacturers (including WaterFurnace International and ClimateMaster), engineers, and related industry stakeholders under a member-based governance model with a 17-member board of directors. Its core functions include consumer education on geothermal technology, contractor certification across three tracks (Installer, Service Technician, Loop Installation), workforce training, and connecting prospective residential and commercial customers with vetted member contractors through an online member directory and the GrowGeo Chicagoland regional program.

The underlying technology that GAOI promotes is geothermal heat pump (GHP) systems, which leverage the relatively constant earth temperatures at 4-6 feet depth (approximately 50°F year-round in Illinois) to provide heating, cooling, and hot water through closed-loop piping configurations. Member contractors deploy four primary loop types — vertical (150-200 ft boreholes), horizontal (6-8 ft trenches), pond, and open loop — depending on site conditions. GAOI itself does not manufacture or install equipment; rather, it certifies and aggregates the firms that do, and provides the educational, certification, and consumer-facing infrastructure (annual Illinois Geothermal Conference, online training modules, "Getting the Dirt on Geothermal" video series, In The Loop newsletter, member portal, and tax credit guidance).

GAOI's business model is membership dues-driven, with non-public pricing structured across multiple member tiers (contractor, utility, manufacturer, associate). Ancillary revenue streams include conference registration fees, certification exam fees, training course fees, branded merchandise sales (via a Stripe-powered online store), and program-specific partnerships — notably utility rebate programs operated by members Corn Belt Energy (GeoCents) and Jo-Carroll Energy (Geo Power Hour). The organization employs 5 people, is headquartered in Springfield, IL, and operates exclusively within Illinois with no disclosed international footprint or expansion plans.

Name

Geothermal Alliance of Illinois

Legal name

Geothermal Alliance of Illinois

Website

https://gaoi.org

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

1–10 employees

Short description

The Geothermal Alliance of Illinois is a 5-employee nonprofit trade association founded in 2008 that serves Illinois geothermal heat pump contractors, utilities, and manufacturers through certification programs, consumer education, an annual industry conference, and a member contractor directory.

Ownership category

akta.pro rank

Product category

Trade Association Services

SIC

Services-Membership Organizations (8600)

akta.pro industry

PRIMARYEDAOACAL

Geothermal HVAC Systems

Education/Vocational, Technical & Trade Education/Plumbing, HVAC & Refrigeration Trades

SECONDARYEUAMAEAB

Geothermal Drilling & Well Construction (Production/Injection, Directional, Well Services)

Energy, Utilities & Environment/Renewable Energy (Solar, Wind, Hydro & Geothermal)/Geothermal Energy (Power & Direct Use)

Keywords

• Geothermal heat pumps
• Trade association services
• Contractor certification programs
• HVAC industry training
• Renewable energy advocacy

Headquarters

HQ city

Springfield

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Marketing or Sales, Operations, Technology or R&D

Revenue model

1. Membership Dues: GAOI operates as a statewide trade association funded through membership dues from various membership levels including contractors, utilities, manufacturers, and other industry stakeholders.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Geothermal Alliance of Illinois (GAOI) is a statewide non-profit trade association that connects consumers with vetted geothermal contractors while delivering certification programs, industry training, and education services to member companies across the geothermal heat pump industry in Illinois. Core offerings include the GAOI Certification Program (Installer, Service Technician, and Loop Installation exams), online training modules, the annual Illinois Geothermal Conference, a searchable member directory, and the GrowGeo Chicagoland consumer education program.

Product overview

The Geothermal Alliance of Illinois (GAOI) is a statewide trade association for the geothermal heat pump industry, offering a platform of certification, training, and membership services. The core offerings include the GAOI Certification Program (Installer, Service Technician, and Loop Installation certificates), GAOI Online Training modules, and the annual Illinois Geothermal Conference. Supporting services include the Member Directory (searchable contractor listing), GrowGeo Chicagoland education program, utility rebate guidance, tax credit information, and a member portal providing access to training, events, marketing materials, and industry newsletters.

Differentiator

Problem solved

Functional benefit

Brands

• GrowGeo Chicagoland: A non-profit run program connecting residents of northeastern Illinois with education and contractors for geothermal heat pump systems. Provides free educational sessions and connection to vetted geothermal heat pump installers.

Products and services

• GAOI Certification Program A certification program offering Installer, Service Technician, and Loop Installation examinations administered annually at the Illinois Geothermal Conference, available to member companies and their employees.
• GAOI Online Training Online training modules for Service Technician, Installation Technician, and Loop Installation roles accessible to GAOI members.
• Illinois Geothermal Conference Annual industry conference featuring certification exams, training, and networking for geothermal professionals in Illinois.
• Geothermal Installation Basics Training & Testing Course Training course covering geothermal installation basics with testing component for contractors and technicians.
• GrowGeo Chicagoland Non-profit program connecting northeastern Illinois residents with education and vetted geothermal heat pump installers, providing free educational sessions.
• Member Directory Listing Online directory listing making member contractors searchable by consumers seeking geothermal installation services.

Quantifiable outcome

• 30-70% savings on monthly utility bills
• +3 more outcomes

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Eleven partnerships are on record, tiered core and minor.

• Corn Belt EnergycoreStrategic or Co-development PartnerCentral Illinois electric cooperative and GAOI member. Heads Member Services Department through Gary Hurley. Runs successful geothermal programs including GeoCents with rebates for members installing geothermal systems.
• Jo-Carroll EnergycoreStrategic or Co-development PartnerElectric cooperative and GAOI member offering Geo Power Hour program for geothermal. John Scott serves on GAOI Board of Directors.
• Citizens Utility Board of IllinoisminorGTM or Marketing PartnerNonprofit consumer advocate for residential utility customers. Has saved consumers over $20 billion. Promotes renewable energy and consumer-friendly information on utilities.
• McDonald Renewable EnergyminorChannel Partner/ Reseller/ DistributorParticipating contractor in GrowGeo Chicagoland program.
• LH Services HVACminorChannel Partner/ Reseller/ DistributorParticipating contractor in GrowGeo Chicagoland program.
• EP GeothermalminorChannel Partner/ Reseller/ DistributorParticipating contractor in GrowGeo Chicagoland program.
• Next Step HVACminorChannel Partner/ Reseller/ DistributorParticipating contractor in GrowGeo Chicagoland program.
• Temperature DoctorsminorChannel Partner/ Reseller/ DistributorParticipating contractor in GrowGeo Chicagoland program.
• International Ground Source Heat Pump Association (IGSHPA)coreStrategic or Co-development PartnerReferenced as related industry organization. Bill Sprague is an IGSHPA accredited installer since 2008. IGSHPA offers installer accreditation.
• GeoExchangeminorStrategic or Co-development PartnerListed as a related industry organization/association for geothermal.
• Database of State Incentives for Renewable Energy (DSIRE)minorOthersReferenced as a resource for state incentives related to renewable energy including geothermal.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• International Ground Source Heat Pump Association (IGSHPA): National trade association dedicated to ground-source heat pump technology. Operates installer accreditation programs that directly overlap with GAOI's Installer, Service Technician, and Loop Installation certifications, and is explicitly named in GAOI's materials as a related industry organization.
• Geothermal Rising (formerly Geothermal Resources Council): National geothermal industry association focused on geothermal heating and power, hosting technical conferences and professional development. Comparable to GAOI in mission but at national scope, offering an alternative affiliation and credentialing pathway for geothermal professionals.
• GeoExchange: National consumer-education and industry-advocacy organization for geothermal heat pumps. Listed in GAOI's own related-links set and competes for the same consumer-awareness and policy-advocacy role, only at a U.S.-wide level.

Others

• National Ground Water Association (NGWA): National association for groundwater professionals including drilling contractors — a category overlapping with GAOI's loop-installation contractor members — and a complementary credentialing body rather than a direct competitor.

Broad incumbents

• Air Conditioning Contractors of America (ACCA): National trade association for HVAC contractors offering training, certification, and contractor-directory services. Comparable trade-association infrastructure to GAOI but at national scope and focused on the broader HVAC industry rather than geothermal specifically.
• ASHRAE: Global HVAC&R engineering society providing standards, certifications (e.g., High-Performance HVAC Design), and continuing education that overlap with GAOI's training portfolio at a much broader industry scale.
• Plumbing-Heating-Cooling Contractors Association (PHCC): National trade association for plumbing and HVAC contractors with member training and contractor-directory offerings. Many GAOI member contractors are likely dual members, and PHCC competes for the same membership dues and certification mindshare.

Emerging players

• HeatSpring Learning Institute: Online training provider with a dedicated geothermal heat pump course catalog serving installer and design professionals. Competes with GAOI's online training modules as an alternative, more accessible continuing-education option.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/geothermal-alliance-of-illinois

Revenue estimate

Valuation estimate

Number of profiles

Profiles17 records

Funding overview

Funding rounds

Investors

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M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Geothermal Alliance of Illinois