Mestek INC
At a glance
Employees100-499
In business sinceNot reported
HeadquartersWestfield, MA
US patents33
SAM.gov UEID497LKJGKS84
CAGE code1XA80
Incorporated inPA
- architectural louvers
- dampers
- sunshades
- customized louvers
- equipment screens
- educational spaces
- architects
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
33 US patents granted 1989–2025, 9 of them in the five years to SEP 2025, including 6 design patents.
Thermal processes and apparatus 20Environmental technology 2Measurement 2Machine tools 2Electrical machinery, apparatus, energy 1
- Evaporative cooling system and deviceUS 12,313,342 · granted MAY 27, 2025
- Air handling unit and method for controlling a flow of air therethroughUS 12,000,614 · granted JUN 4, 2024
- Airfoil blade and method of assemblyUS 11,846,443 · granted DEC 19, 2023
- Networked boiler system and methodUS 11,619,400 · granted APR 4, 2023
- Inspection system and method for HVAC unitsUS 11,497,951 · granted NOV 15, 2022
Newest 5 shown · Granted to Mestek, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Mestek INC | Westfield | MA | 100–499 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.

