Grant Engineering ULC
- Company typePrivate
- Founded1978
- HeadquartersTullamore, Ireland
- Headcount251–500
- GTM typeB2B
- OfferingHardware or Manufacturing
What Grant Engineering ULC does
Grant Engineering (Ireland) ULC is a privately held Irish heating technology manufacturer founded in 1978 in Birr, County Offaly, where it operates its primary production facility at Crinkle. The company designs, manufactures in-house, and sells a portfolio spanning condensing oil-fired boilers (Vortex and VortexBlue ranges), air-to-water heat pumps (Aerona and ASHE), wood pellet boilers (Spira and Vecta), a hybrid heating system (VortexAir), solar thermal products, combi boilers, back boilers, inset boilers, slimline boilers, hydro stoves, and swimming pool boilers. Its product development has historically run ahead of environmental legislation, with the Vortex condensing range launched in 2002 years before mandatory rules. Patents and proprietary features such as Triple Pass heat exchange and VortexBlue Low NOx blue flame combustion underpin its technology positioning.
The company operates a B2B go-to-market model, selling through heating installers, builder's merchants, specifiers/architects, and local authorities and housing associations. It distributes regionally via wholly-owned subsidiaries Grant UK (established 1996, relocated to a 3,160 m² facility in Devizes in 2003) and Grant France (established 2018 in Chambéry), supported by dedicated country websites for Ireland, Great Britain, France, and Northern Ireland. Pricing is not publicly disclosed and varies by channel and configuration. Marketing relies on regional websites, trade show participation (e.g., SEAI Energy Show), installer training programs, and earned media through industry awards (H&V News Domestic Product of the Year 2003, Ernst & Young Entrepreneur of the Year 2008) and ISO certifications (9001:2015, 14001:2015, 50001:2011). Revenue is generated through hardware sales of heating appliances across European residential and light commercial markets.
Grant Engineering ULC firmographics
Firmographics- Name
- Grant Engineering ULC
- Legal name
- Grant Engineering (Ireland) ULC
- Website
- https://grant.eu
- Company type
- Private
- Founded year
- 1978
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Ownership category
- akta.pro rank
Grant Engineering ULC industry classification
Industry- Product category
- Residential Heating Equipment Manufacturing
- NAICS
- Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341)
- SIC
- Heating Equipment, Except Electric & Warm Air Furnaces (3433), Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070)
- akta.pro primary industry
- Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC)
- akta.pro secondary industry
- Heat Exchangers, Coils & Hydronic HVAC Components (IMADANAF)
Keywords
Where Grant Engineering ULC is headquartered
LocationHeadquarters
- HQ city
- Tullamore
- HQ country
- Ireland
- HQ region
- Europe
Offices4 records
Markets served
Grant Engineering ULC business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- Heating Equipment Manufacturing and Sales: Grant Engineering manufactures and sells heating appliances including condensing oil-fired boilers, renewable heating products (solar thermal, heat pumps), and hybrid systems. Products are sold through B2B channels to installers, merchants, and specifiers.
Go-to-market motion1 record
Distribution channels3 records
Marketing channels4 records
Grant Engineering ULC product offering
Product offeringCore offering
Grant Engineering ULC manufactures and sells residential heating appliances including condensing oil-fired boilers, air-to-water heat pumps, wood pellet boilers, solar thermal products, and hybrid heating systems. The company produces the majority of its products in-house at its facility in Birr, County Offaly, Ireland, and distributes them B2B through heating installers, builder's merchants, specifiers, architects, and local authorities across Ireland, the UK, and France.
Product overview
Grant Engineering ULC is a heating technology company founded in 1978 that manufactures a comprehensive portfolio of heating solutions spanning traditional and renewable technologies. The product portfolio includes condensing oil-fired boilers (Vortex and VortexBlue ranges), air source heat pumps (Aerona and ASHE ranges), wood pellet boilers (Spira and Vecta), hybrid systems (VortexAir), solar thermal products, back boilers (Hydrogate), inset boilers (Hydrofire), stoves (Hydro Stove), combi boilers, and swimming pool boilers. The company manufactures the majority of its products in-house at its facility in Crinkle, Birr, County Offaly, Ireland, and operates regional operations in Great Britain, France, Ireland, and Northern Ireland.
Differentiator
Problem solved
Functional benefit
Brands
- Vortex: Condensing range of oil boilers including VortexBlue (Low NOx blue flame)
- Aerona
- ASHE
- Spira
- Vecta
- VortexAir
- Euroflame
- Multipass
Products and services
- Grant Vortex Condensing Oil Boiler Range Condensing oil-fired boiler range for residential and commercial heating, featuring Vortex Condensing Technology for improved efficiency.
- Grant VortexBlue Low NOx Blue Flame Boiler Low NOx blue flame boiler range featuring reduced nitrogen oxide emissions for environmental compliance.
- Grant Aerona Air Source Heat Pump First generation air-to-water heat pump range providing renewable heating solution for households.
- Grant ASHE Air Source Heat Pump Second generation air source heat pump range representing advancement in renewable heating technology.
- Grant VortexAir Hybrid System Hybrid heating system launched in 2016 combining multiple heating technologies.
- Grant Spira Condensing Wood Pellet Boiler Condensing wood pellet boiler providing biomass heating solution for households.
- Grant Vecta Condensing Wood Pellet Boiler Condensing wood pellet boiler offering another biomass heating option in the product portfolio.
- Grant Combi Boiler Combination boiler providing both heating and hot water from a single unit.
- Grant Euroflame Slimline Boiler Slimline boiler range offering space-efficient heating solution.
- Grant Multipass Boiler Boiler with unique features including multi-pass heat exchange technology.
- Solar Thermal Products Solar thermal heating products launched for renewable energy integration into residential heating systems.
- Universal Swimming Pool Boiler Specialized boiler designed for swimming pool heating applications.
Quantifiable outcome
- Vortex condensing range launched years ahead of mandatory legislation
- +1 more outcomes
Companies that use Grant Engineering ULC
Customer profileSegments4 records
Ideal customer profiles4 records
Grant Engineering ULC technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Grant Engineering ULC partnerships and signals
Strategic signalScale indicators6 records
Recent moves10 records
Expansion highlights5 records
Grant Engineering ULC competitors and assessment
Company assessmentDirect peers
- Ideal Boilers: UK-headquartered residential boiler and heat pump manufacturer with strong presence in installer and merchant channels across Ireland and the UK. Direct competitor to Grant's Vortex range in residential condensing oil and combi categories.
- Vaillant Group: Major European residential heating manufacturer with strong condensing boiler, heat pump, and hybrid product lines. Directly comparable to Grant across UK, Ireland, and France operations with installer-led distribution and renewable-technology extension.
- Baxi (BDR Thermea Group): UK/Irish residential boiler and heating brand now part of BDR Thermea. Closely comparable product mix (condensing boilers, heat pumps, hybrids) and same installer/merchant GTM motion as Grant.
- Worcester Bosch (Bosch Thermotechnology): One of the largest residential boiler and heating brands in the UK and Ireland. Closest direct peer to Grant given overlapping oil/gas condensing boiler portfolio, hybrid systems, heat pump launches, and installer-channel distribution across the same Irish/UK markets.
Emerging players
- Daikin: Global HVAC and heat-pump leader with a growing residential European heating portfolio. A meaningful emerging player overlapping Grant's Aerona/ASHE air-source heat pump product line and accelerating share gain driven by European decarbonization policy.
- Navien: South Korean residential condensing boiler and combi specialist expanding in UK/Europe. Comparable to Grant in condensing-boiler technology focus and emerging renewable-product extensions, with similar channel-dependent go-to-market.
- Mitsubishi Electric: Global HVAC/heat-pump specialist with established Ecodan residential air-to-water heat pump line in Europe. Comparable to Grant Aerona/ASHE in product category, though with materially larger R&D and installer accreditation network.
Broad incumbents
- NIBE Energy Systems: Swedish-listed manufacturer of residential and commercial heat pumps, heating, and ventilation. Comparable to Grant's renewable-product strategy (heat pumps, hybrid systems) with much larger European scale and acquisitive growth model.
- Viessmann: German-headquartered global heating, industrial, and refrigeration systems manufacturer. Overlapping portfolio (condensing boilers, heat pumps, biomass, hybrid systems) across residential and commercial segments, with much broader geographic and product scale than Grant.
Regional players
- Atlantis Energy: UK/Ireland-focused renewable heating installer and distributor. A regional ecosystem peer working with brands such as Grant on heat-pump deployment — comparable at the channel level rather than direct product overlap.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Grant Engineering ULC compliance and trust
Trust signalCompliance4 records
Grant Engineering ULC financial estimates
Financial estimateRevenue estimate
Valuation estimate
Grant Engineering ULC leadership team
Management profileNumber of profiles
Profiles1 record
Grant Engineering ULC subsidiaries and ownership
Company hierarchySubsidiaries2 records
Grant Engineering ULC funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Grant Engineering ULC 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 Grant Engineering ULC
What does Grant Engineering ULC do?
Grant Engineering ULC manufactures and sells residential heating appliances including condensing oil-fired boilers, air-to-water heat pumps, wood pellet boilers, solar thermal products, and hybrid heating systems. The company produces the majority of its products in-house at its facility in Birr, County Offaly, Ireland, and distributes them B2B through heating installers, builder's merchants, specifiers, architects, and local authorities across Ireland, the UK, and France.
Is Grant Engineering ULC a public or private company?
Grant Engineering ULC is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Grant Engineering ULC founded?
Grant Engineering ULC was founded in 1978. It employs 251 to 500 people.
Where is Grant Engineering ULC based?
Grant Engineering ULC is headquartered in Tullamore, Ireland, in the Europe region.
How does Grant Engineering ULC make money?
One revenue line is on record: heating Equipment Manufacturing and Sales.
Who are Grant Engineering ULC's main competitors?
Direct peers on record are Ideal Boilers, Vaillant Group, Baxi (BDR Thermea Group) and Worcester Bosch (Bosch Thermotechnology). Emerging players are Daikin, Navien and Mitsubishi Electric. Broad incumbents are NIBE Energy Systems and Viessmann. Atlantis Energy is listed as a regional player.
Does Grant Engineering ULC have an API?
No public API is recorded for Grant Engineering ULC.
What industry is Grant Engineering ULC in?
Grant Engineering ULC's product category is Residential Heating Equipment Manufacturing. Its primary akta.pro industry code is IMAHAEAC, Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers), with a secondary code of IMADANAF, Heat Exchangers, Coils & Hydronic HVAC Components. Its NAICS code is 333414 and its SIC code is 3433.