NesbittAire

What NesbittAire does

NesbittAire is a manufacturer of HVAC equipment founded in 1917 by John J. Nesbitt, who pioneered the classroom unit ventilator. The company is headquartered in DeSoto, Kansas, and operates as a division of Engineered Air, leveraging the parent's sales and plant network across the USA and Canada. Its product portfolio centers on unit ventilators for individual classroom heating, ventilating, and air conditioning; horizontal unit heaters available in twelve sizes with capacities ranging from 19,100 BTU/Hr to 370,000 BTU/Hr for steam or hot water service; and custom storage cabinets designed to complement classroom installations. The company also holds the design and patents for the Dunham-Bush Unit Header Product Line, acquired to add heavy-duty heating equipment with over 80 years of production heritage.

The primary customer segment is educational institutions — schools and school districts requiring HVAC solutions for both new construction and replacement applications. School administrators, specifying engineers, and building maintenance professionals are the stated buyer personas. The go-to-market is direct, project-driven engagement: prospects contact the company through its website or via Engineered Air's sales network, and quotes are handled on a custom basis. Replacement parts are fulfilled directly through the DeSoto head office. Pricing is not publicly disclosed and the model is consistent with project/specifier-driven institutional B2B sales rather than transactional retail distribution.

The business model is niche B2B equipment manufacturing: revenue is generated through unit sales of classroom HVAC equipment, heavy-duty heating equipment, and replacement parts. There is no subscription, recurring software, or service-contract revenue disclosed. The company's competitive positioning rests on brand heritage (over a century in classroom HVAC), acquired IP from Dunham-Bush, and the distribution reach provided by its parent Engineered Air. No financial disclosures, headcount figures, or growth metrics are publicly available.

Name

NesbittAire

Legal name

NesbittAire

Website

https://nesbittaire.com

Company type

Private

Founded year

1917

Operating status

Operating

Short description

NesbittAire is a Kansas-based HVAC equipment manufacturer that has supplied classroom unit ventilators, horizontal unit heaters, and storage cabinets to educational institutions since 1917, operating as a division of Engineered Air.

Ownership category

akta.pro rank

Product category

Commercial HVAC Equipment

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430), Heating Equipment, Except Electric & Warm Air Furnaces (3433)

akta.pro primary industry

HVAC Equipment (Heating, Cooling & Air Handling) (IMAHAKAB)

akta.pro secondary industry

Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC)

Keywords

• Classroom HVAC equipment
• Unit ventilator manufacturing
• Horizontal unit heaters
• Institutional heating equipment
• Commercial HVAC systems

Headquarters

HQ city

DeSoto

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Distribution channels2 records

Marketing channels1 record

Core offering

NesbittAire manufactures classroom HVAC equipment including unit ventilators, horizontal unit heaters, and custom storage cabinets. Since 1917, the company has supplied heating, ventilating, and air conditioning equipment for new and replacement classroom applications, complemented by the Dunham-Bush Unit Header Product Line acquired for its heavy-duty heating capabilities.

Product overview

NesbittAire is a manufacturer of HVAC equipment for classroom environments, offering a portfolio of products centered on unit ventilators, unit heaters, and complementary accessories. The core product line includes Unit Ventilators (classroom climate control units pioneered in 1917), Horizontal Unit Heaters (available in 12 sizes ranging from 19,100 to 370,000 BTU/Hr), and Custom Storage Cabinets. The company also acquired the Dunham-Bush Unit Header Product Line, expanding its heavy-duty heating equipment portfolio. All products serve institutional and commercial building applications, with a focus on educational facilities.

Differentiator

Problem solved

Functional benefit

Products and services

• Unit Ventilators Classroom unit ventilators that provide heating, ventilating, and air conditioning for individual classrooms; used by schools, specifying engineers, and building maintenance professionals for new construction and replacement applications.
• Horizontal Unit Heaters

Quantifiable outcome

• Classroom unit ventilator recognized as most cost-effective, energy-efficient system for individual classroom environments

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Engineered AircoreOEM/ Whitelabel/ Licensing PartnerNesbittAire is a division of Engineered Air, headquartered at 32050 West 83rd Street DeSoto, Kansas 66018. This corporate parent relationship provides NesbittAire access to Engineered Air's complete sales and plant locations in USA and Canada.

Scale indicators2 records

Recent moves4 records

Expansion highlights3 records

Direct peers

• Engineered Air: Engineered Air is the parent company of NesbittAire and a manufacturer of commercial and industrial HVAC equipment including unit ventilators, heating, and air-handling products. Directly comparable because it operates the same HVAC categories, sells into similar institutional and commercial channels, and shares engineering and manufacturing infrastructure with NesbittAire.
• Modine Manufacturing: Modine Manufacturing produces unit heaters, heat transfer coils, and HVAC components used in commercial, industrial, and institutional buildings. Comparable because its horizontal and vertical unit heater lines directly overlap NesbittAire's core horizontal unit heater product range, serving similar steam/hot-water building heating applications.
• AAON: AAON designs and manufactures commercial and institutional HVAC units including unit ventilators, rooftop units, and heat pumps. Comparable as a direct competitor in the classroom and institutional unit ventilator category, with overlapping product specs and end customers (schools, universities, healthcare).
• Dunham-Bush: Dunham-Bush is a manufacturer of commercial and industrial HVAC and refrigeration equipment, including heavy-duty heating products. Comparable because NesbittAire acquired its Unit Header product line (80+ years of design heritage), so Dunham-Bush represents both a former IP source and a broader competitor in commercial heating equipment.
• Burnham Holdings: Burnham Holdings manufactures hydronic heating equipment, boilers, and radiators for residential, commercial, and industrial markets through brands like Burnham, Weil-McLne, and U.S. Boiler Company. Comparable in non-electric heating equipment manufacturing (boilers, hydronic systems) that competes with NesbittAire's heavy-duty unit heater line in steam/hot-water applications.

Broad incumbents

• Trane Technologies: Trane is a global HVAC incumbent offering a broad portfolio of heating, cooling, and air-handling systems for commercial and institutional buildings, including school applications. Overlaps NesbittAire in classroom HVAC but competes through a much wider product line and national specifying-engineer relationships.
• Carrier Global: Carrier manufactures commercial heating, ventilating, and air-conditioning systems used in schools, healthcare, and commercial buildings. Comparable as a broad-line incumbent competing for the same institutional HVAC specification opportunities, though typically through larger integrated systems rather than standalone unit ventilators.
• Johnson Controls: Johnson Controls supplies building HVAC equipment, controls, and automation systems for commercial and institutional facilities including schools. Comparable as a broad incumbent that increasingly bundles smart thermostats, BAS integration, and energy services — directly addressing the connected-HVAC threat to NesbittAire's legacy specification position.
• Bosch Thermotechnology: Bosch Thermotechnology produces commercial and residential heating, hot water, and HVAC solutions including boilers and air-source heat pumps for institutional buildings. Comparable as a broad incumbent that competes in commercial hydronic heating and increasingly in clean-energy HVAC retrofits relevant to K-12 decarbonization projects.

Emerging players

• Rinnai America: Rinnai manufactures tankless water heaters and commercial heating equipment, including hydronic and high-efficiency boilers used in institutional settings. Comparable as an emerging player in high-efficiency hydronic heating that overlaps with NesbittAire's steam/hot-water product offerings in schools and commercial facilities.

Market position

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

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 NesbittAire