Heat safety solutions, from passive warnings to connected monitoring.
Four HeatAlert™ products for workplaces where heat is a real hazard. Passive bimetallic signs for high-visibility warnings at facility entrances. Standalone electronic monitors with real-time heat index calculation and LED strobe alerts. And HeatAlert Connect™, our next-generation Wi-Fi monitor with cloud dashboard — launching 2027.
HeatAlert™ Sign — Passive Bimetallic Warning
The install-and-forget heat safety sign. A bimetallic disc rotates as air temperature climbs, revealing a solid red warning when temperatures cross into extreme heat territory. No power, no batteries, no maintenance. Two mounting options for any location.
HeatAlert™ Sign — Universal Mount
Mounts to any wall, post, or fence with standard hardware. Ideal for facility entrances, dock doors, breezeways, and covered outdoor areas.
- Solid aluminum construction, UV-stabilized graphics
- Passive bimetallic disc — no power, no wiring
- Begins rotation at 85°F, fully red at 91°F
- Universal mounting brackets included
- 10+ year service life
HeatAlert™ Sign — Post Mount
Includes 6ft aluminum C-channel post for standalone deployment in open areas — parking lots, athletic fields, construction staging, agricultural sites where no wall or post exists.
- Sign plus 6ft aluminum C-channel post (in-ground install)
- Passive bimetallic disc — no power, no wiring
- Begins rotation at 85°F, fully red at 91°F
- 100% rust-proof aluminum — won't rust, warp, or splinter
- 10+ year service life
Shared Specifications
HeatAlert™ Industrial — Electronic Heat Index Monitor
A wall-mounted electronic monitor that measures temperature and humidity, calculates real-time heat index per NOAA/OSHA standards, and triggers high-visibility LED strobe alerts at caution and danger thresholds. Standalone unit — no cloud, no subscription required.
Continuous monitoring, immediate visual warnings.
The HeatAlert™ Industrial monitor is our long-standing electronic solution for facilities that need active heat index measurement with visible alerts on the floor. Amber and red LED strobe lights trigger automatically when conditions cross OSHA caution (80°F heat index) and danger (103°F heat index) thresholds.
- ✓ Real-time heat index — NOAA/OSHA Rothfusz calculation, continuous measurement
- ✓ Amber LED strobe at 80°F heat index caution threshold
- ✓ Red LED strobe at 103°F heat index danger threshold
- ✓ 110V AC hardwired, permanent installation (electrician recommended)
- ✓ Indoor or covered outdoor use
- ✓ Optional Wi-Fi for live readings on your local network (no cloud subscription)
- ✓ 2-year manufacturer warranty
HeatAlert Connect™ — Wi-Fi Monitor + Cloud Dashboard
Our next-generation heat index monitor. Real-time measurement every 10 seconds, cloud dashboard accessible from any browser, email alerts at OSHA-keyed thresholds, and continuous compliance logging for audit-ready documentation. Launching publicly in 2027 — waitlist members get early-access pricing and shipping priority.
The evolution of heat index monitoring: connected, documented, defensible.
HeatAlert Connect™ takes everything that works about the Industrial Monitor and adds cloud connectivity, multi-site management, and automatic OSHA-defensible logging. Every reading timestamped, every alert documented, every site visible from one dashboard.
- ✓ Real-time heat index calculated every 10 seconds
- ✓ Cloud dashboard at monitor.heatalert.com — accessible from anywhere
- ✓ Email alerts at OSHA caution and danger thresholds
- ✓ Continuous compliance logging with CSV export
- ✓ Multi-site monitoring — unlimited units on one dashboard
- ✓ Standard 110V outlet, Wi-Fi setup in ~10 minutes
- ✓ 2-year manufacturer warranty
Simple, direct, personal.
Every HeatAlert™ product is made to order in Lake Oswego, Oregon. Order online through our product pages, or call for volume pricing, custom configurations, or product questions.
Order online or inquire
Click any product button above to view full product details, select mounting options, and complete your purchase. For volume orders or custom needs, use the inquiry option or give us a call.
Built to order
Each unit is manufactured in Lake Oswego. Passive signs typically ship in 1–2 weeks. Industrial Monitors take 2–4 weeks depending on order volume and customization.
Delivery & support
Orders ship direct from our facility. Our team is available for installation guidance, mounting questions, and post-delivery support at any point.
