Hart & Cooley
Hart & Cooley manufactures HVAC air-distribution and venting products, including grilles, registers, diffusers, chimneys, and filters, serving licensed HVAC contractors, homeowners, and commercial/industrial projects across North America through wholesalers, retailers, and online channels.
- Company typePrivate
- Founded1901
- HeadquartersGrand Rapids, United States
- Headcount1,001–5,000
- GTM typeB2B and B2C
- OfferingHardware or Manufacturing
Hart & Cooley firmographics
Firmographics- Name
- Hart & Cooley
- Legal name
- Hart & Cooley
- Website
- https://hartandcooley.com
- Company type
- Private
- Founded year
- 1901
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Short description
- Hart & Cooley manufactures HVAC air-distribution and venting products, including grilles, registers, diffusers, chimneys, and filters, serving licensed HVAC contractors, homeowners, and commercial/industrial projects across North America through wholesalers, retailers, and online channels.
- Ownership category
- akta.pro rank
Hart & Cooley industry classification
Industry- Product category
- HVAC air distribution and venting products
- NAICS
- Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers (42373)
- SIC
- Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070)
- akta.pro primary industry
- Dampers, Louvers & Ventilation Controls (IMADANAD)
- akta.pro secondary industry
- HVAC, Water Heaters & Indoor Air Quality Distribution (CRAOAFAJ)
Keywords
Where Hart & Cooley is headquartered
LocationHeadquarters
- HQ city
- Grand Rapids
- HQ country
- United States
- HQ region
- North America
Markets served
Hart & Cooley business model
Business model- GTM type
- B2B and B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D
Revenue model
- HVAC Product Sales: Manufactures and sells HVAC air distribution products including grilles, registers, diffusers, vents, chimneys, and filters to contractors, wholesalers, and retailers.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Pay-as-you-go | B2B/B2C hardware sales through distribution partners |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels4 records
Hart & Cooley product offering
Product offeringCore offering
Hart & Cooley manufactures and sells HVAC air distribution products — grilles, registers, and diffusers (GRDs), factory-built chimney and vent systems for gas, wood, oil, and multi-fuel appliances, and pleated/disposable air filters — to licensed heating and cooling contractors (through authorized wholesalers) and to homeowners (through major and online retailers). Product lines include the Primex True-Flow and Whisper diffusers, the TLC All-Fuel Chimney System, Type B Gas Vent, DirectVent Pro, Multi-Pleat filters, and the Rezzin polymer diffuser line.
Product overview
Hart & Cooley is a subsidiary of the Duravent Group and a leading manufacturer of HVAC (Heating, Ventilation, and Air Conditioning) products. The company offers three main product categories: (1) Grilles, Registers, and Diffusers (GRDs) - a comprehensive portfolio including the 800 Series curved-blade steel diffusers, Rezzin polymer product line, Primex Whisper Grille and True-Flow ceiling diffusers, spiral diffusers, slot diffusers, aluminum and steel registers, return air grilles and filter grilles, and related accessories; (2) Vent & Chimney products including the TLC All Fuel Chimney System with UL 103 certification, Type B Gas Vent systems with UL 441 listing, DirectVent Pro, chimney liners, and flexible liner kits; and (3) Filters including Multi-Pleat MERV 8 filters and Industrial Disposable filters. The products serve residential and commercial markets through contractors and wholesalers.
Differentiator
Problem solved
Functional benefit
Brands
- Primex: Primex product line including Whisper Grille Diffuser (WG Series) and True-Flow Ceiling Diffuser (WGX Series) - adjustable ceiling/wall mountable vents for air supply or exhaust
- TLC All Fuel Chimney System
- DuraTech
- DirectVent Pro
- Rezzin
- Multi-Pleat
- Koch
Products and services
- Grilles, Registers, and Diffusers (GRDs) Comprehensive line of HVAC air distribution products including grilles, registers, and diffusers for controlling and directing airflow in residential and commercial buildings.
- TLC All Fuel Chimney System Factory-built all-fuel chimney system with 304 stainless steel inner liner and outer casing, mineral wool insulation, twist-lock connection, and UL 103 listing for solid-fuel and liquid-fuel appliances.
- Type B Gas Vent Double-wall, air-insulated gas vent system with galvanized outer pipe and aluminum inner pipe, designed for negative pressure applications with flue gas temperatures up to 400°F above ambient for Category I appliances, UL 441 listed.
- Primex Whisper Grille Diffuser (WG Series) Durable, adjustable air supply or exhaust vents providing whisper-quiet airflow. Features dual flow capability, stainless steel grip clip, impact-resistant polymer resin construction, available in 4", 5", and 6" sizes in Snow White finish.
- Primex True-Flow Ceiling Diffuser (WGX Series) Patented highly-adjustable air supply or exhaust vents with four-wing screw for 0-100% airflow control, snap-on trim ring, and UV-protected impact-resistant polymer resin construction. Available in 4"-8" sizes.
- 800 Series Curved-Blade Steel Diffuser Steel construction curved blade diffuser with 1-4 way or 2-way corner air diffusion, available with or without damper (Multi-Shutter or Opposed Blade), individually adjustable bars, and bright white finish. Available sizes from 4x6 to 36x36 inches.
- Aluminum Chimney Liner Aluminum chimney liner product for vent and chimney applications.
- DirectVent Pro 8x11 Direct vent product for high-efficiency appliance venting applications.
- Stainless Steel Flexible Liner Kits Flexible stainless steel chimney liner kits for chimney relining applications.
- Multi-Pleat Filter MERV 8 rated pleated air filters with moisture-resistant beverage board frame. Available in Standard Capacity (XL8-SC) and High Capacity (XL8-HC) variants with 100% mechanical media for high efficiency and dust holding capacity.
- Industrial Disposable Filter Economical air filters for light-to-medium duty applications available in fiberglass and polyester media, with one-piece moisture-resistant craft board frame and thermoplastic sealant bonding filter media to frame.
- Spiral Diffusers (SV/SVH/USV/USVH Series) Aluminum single and double deflection spiral diffusers with adjustable blades for horizontal and vertical deflection control. Available as diffuser only or with optional face-adjustable scoop, with universal duct size options.
- S Series Slot Diffusers Linear slot diffusers for ceiling or sidewall applications with three slot types (1/2", 3/4", 1"), available in 1-8 slots wide for air volumes of 10-350 cfm per foot. Features adjustable pattern controller with maximum continuous length up to 999 inches.
- RZ Mod Core — Rezzin Modular Core Diffuser Modular core diffusers providing 1, 2, 3, or 4-way horizontal air patterns with removable modules for easy accessory access. Available in 24x24 size with no steel parts, suitable for MRI room applications.
Companies that use Hart & Cooley
Customer profileSegments3 records
Ideal customer profiles3 records
Hart & Cooley technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Hart & Cooley partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Duravent GroupparentHart & Cooley is a brand under Duravent Group, which owns a portfolio of 15+ HVAC brands including AirMate, AmeriFlow, Amerivent, AMPCO, Builder's Best, Duravent, Hart & Cooley, Heatfab, Lima, Milcor, Portals Plus, RPS, Security Chimneys, and Selkirk. © Duravent Group 2026.
Scale indicators1 record
Recent moves5 records
Expansion highlights5 records
Hart & Cooley competitors and assessment
Company assessmentBroad incumbents
- Titus: A Johnson Controls brand manufacturing architectural air diffusers, grilles, registers, and terminal units for commercial HVAC. Directly comparable to Hart & Cooley's GRD portfolio but with stronger enterprise/commercial project specification presence.
- Price Industries: North America's largest HVAC air distribution products manufacturer with comprehensive GRD, terminal unit, and air handling solutions. Comparable in product breadth and channel, with deeper commercial engineering support.
Direct peers
- Krueger (Loren Cook Company): Manufactures GRDs, diffusers, registers, and terminal units for commercial HVAC under the Krueger brand. Direct overlap with Hart & Cooley's commercial air distribution offering and similar contractor/wholesaler channel.
- Nailor Industries: HVAC manufacturer specializing in grilles, registers, diffusers, dampers, and terminal units. Direct peer with similar product mix and independent mid-market positioning competing for the same commercial specifications.
- Shoemaker Manufacturing: Manufactures residential and light commercial GRDs (Soft Sweep, Classic Vision lines). Direct competitor in the residential register and grille category where Hart & Cooley's AmeriFlow and Primex lines compete.
- Field Controls: Specializes in venting products for HVAC, water heaters, and appliances including direct vent and special gas vent systems. Comparable to Hart & Cooley's Type B Gas Vent, DirectVent Pro, and special gas vent offerings.
- Selkirk: Sister brand under Duravent Group manufacturing venting, chimney, and air distribution products. Operates in adjacent product niches within the same parent portfolio, competing in some overlapping SKUs.
- AmeriVent: Sister brand under Duravent Group selling venting products through retail and contractor channels. Most direct overlap with Hart & Cooley on venting products, with both distributed through Homeowner and contractor segments.
- Security Chimneys: Sister Duravent Group brand manufacturing chimney and venting systems. Overlaps with Hart & Cooley's TLC All Fuel Chimney, Type B Gas Vent, and DirectVent Pro lines in residential and commercial venting applications.
Emerging players
- Continental Industries: Manufacturer and supplier of HVAC grilles, registers, diffusers, and related sheet metal products, primarily serving OEM and contractor channels. Comparable product mix with regional/emerging competitor positioning.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Hart & Cooley social profiles
Digital presenceHart & Cooley compliance and trust
Trust signalCompliance2 records
Hart & Cooley financial estimates
Financial estimateRevenue estimate
Valuation estimate
Hart & Cooley leadership team
Management profileNumber of profiles
Hart & Cooley funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Hart & Cooley 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 Hart & Cooley
What does Hart & Cooley do?
Hart & Cooley manufactures and sells HVAC air distribution products — grilles, registers, and diffusers (GRDs), factory-built chimney and vent systems for gas, wood, oil, and multi-fuel appliances, and pleated/disposable air filters — to licensed heating and cooling contractors (through authorized wholesalers) and to homeowners (through major and online retailers). Product lines include the Primex True-Flow and Whisper diffusers, the TLC All-Fuel Chimney System, Type B Gas Vent, DirectVent Pro, Multi-Pleat filters, and the Rezzin polymer diffuser line.
Is Hart & Cooley a public or private company?
Hart & Cooley is a private company. It is classified as corporate owned and is currently operating.
When was Hart & Cooley founded?
Hart & Cooley was founded in 1901. It employs 1,001 to 5,000 people.
Where is Hart & Cooley based?
Hart & Cooley is headquartered in Grand Rapids, United States, in the North America region.
How does Hart & Cooley make money?
One revenue line is on record: HVAC Product Sales.
Who are Hart & Cooley's main competitors?
Broad incumbents on record are Titus and Price Industries. Direct peers are Krueger (Loren Cook Company), Nailor Industries, Shoemaker Manufacturing, Field Controls, Selkirk, AmeriVent and Security Chimneys. Continental Industries is listed as an emerging player.
Does Hart & Cooley have an API?
No public API is recorded for Hart & Cooley.
What industry is Hart & Cooley in?
Hart & Cooley's product category is HVAC air distribution and venting products. Its primary akta.pro industry code is IMADANAD, Dampers, Louvers & Ventilation Controls, with a secondary code of CRAOAFAJ, HVAC, Water Heaters & Indoor Air Quality Distribution. Its NAICS code is 333415 and its SIC code is 3585.