
BAPI manufactures sensors and test instruments for temperature, humidity, pressure and air quality in building automation.

Building Automation Products, Inc. (BAPI)
Gays Mills, WI (USA) · Poland · Aldershot (UK) · Canada · Australia · UAENew on Amplifa
About BAPI
Building Automation Products, Inc. (BAPI) is a manufacturer of sensors for HVAC/R applications. The product portfolio includes sensors for temperature, relative humidity, pressure, CO2, VOC and air quality, as well as wireless sensors, test instruments (Blü-Test), Electronics Technician Assistants (ETA) and accessories. Manufacturing takes place at the headquarters in Gays Mills, Wisconsin (USA), with all engineering and manufacturing activities at that site, complemented by a manufacturing facility in Poland. Every product is 100% tested at multiple manufacturing stages – using custom test fixtures, computer-controlled production stations, NIST-traceable precision instruments and environmental chambers. Sales offices exist in Canada, the UK, Australia and the United Arab Emirates; the products are sold directly, online or through a distributor network in more than 40 countries. Customer industries include HVAC/R, building automation, data centers, pharmaceuticals and facility management.
- Site
- Gays Mills, WI, USA
- Processes
- Manufacture of HVAC/R sensors (temperature, relative humidity, pressure, air quality, CO2, VOC,, 100% product testing at multiple manufacturing stages with custom test fixtures and, Product testing and calibration with NIST-traceable precision instruments and environmental chambers, Engineering and product design (build documents, wiring diagrams, 3D renderings), Blü-Test: wireless NIST-traceable test instrument suite for temperature, relative humidity and, Test instruments (Blü-Test), NIST-traceable calibration, 100% testing at all manufacturing stages
- Materials
- Electronics Technician Assistants (ETA), Blü-Test Test Instruments
- Certificates
- CE, CE Certification (selected models), RoHS compliant, NIST-traceable calibration
- Founded
- 1993
- Industries
- HVAC/R, Building Automation, Data Center, Pharmaceuticals, Facility Management
- 01
Engineering and product design
- 02
Assembly of HVAC/R sensors
- 03
100% product testing at multiple manufacturing stages
- 04
Calibration with NIST-traceable instruments
- 05
Sales via direct sales and distributors
Processes & Manufacturing
Electronics Technician Assistants (ETA)
Test and diagnostic tools to support technicians during installation and commissioning of HVAC/R sensors.
Blü-Test Test Instruments
Wireless, NIST-traceable test instruments for temperature, relative humidity and differential pressure with data loggers.
Locations
Gays Mills, WI
USHeadquarters, manufacturing, engineering
- Materials
- Electronic components, sensing elements
- Environmental chamber for product testing and calibration
- Computer-controlled production stations with network access to manufacturing documents
Poland
PLManufacturing site
Aldershot (BAPI UK Ltd)
GBSales
Canada
CASales office
Australia
AUSales office
UAE
AESales office
Components & Products


Inside the production



Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of HVAC/R sensors (temperature, relative humidity, pressure, air quality, CO2, VOC,Assembly | – | – | – | – | Electronic components, Sensing Elements |
| 100% product testing at multiple manufacturing stages with custom test fixtures andTesting | – | – | – | – | – |
| Product testing and calibration with NIST-traceable precision instruments and environmental chambersTesting | – | – | – | – | – |
| Engineering and product design (build documents, wiring diagrams, 3D renderings)Engineering | – | – | – | – | – |
| Blü-Test: wireless NIST-traceable test instrument suite for temperature, relative humidity andTesting | – | – | – | – | – |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Environmental chamber for product testing and calibration | – | – | – | – | Gays Mills, WI, USA |
| Computer-controlled production station (with monitor, network access to manufacturing documents) | – | – | – | – | Gays Mills, WI, USA |
Additional services
Quality
Every product is 100% tested at multiple manufacturing stages – using custom test fixtures, computer-controlled processes, NIST-traceable precision instruments and environmental chambers. Selected models of temperature, humidity and pressure sensors are CE certified; manufacturing is RoHS compliant.
| Evidence | Gays Mills, WI | Poland |
|---|---|---|
| CE Certification (selected models) | ||
| RoHS compliant | ||
| NIST-traceable calibration |
History
- 1993
BAPI (Building Automation Products, Inc.) founded in Gays Mills, Wisconsin.