Sentinel cooling system

Two platforms. One mission.

Solar-powered passive cooling with Hive Mind IoT triage · deployed from forward operating bases to urban health clinics worldwide.

Field series units are solar-charged and LoRaWAN connected · no grid power, no WiFi required. Urban series units connect via WiFi and standard AC power.

All units billed by usage · pay only for active deployments. No upfront licensing.

Field series · solar powered · LoRaWAN · off-grid

01
Sentinel F1 Combat
F1 · Tactical

Sentinel F1 Combat

Military-grade MOLLE-compatible unit for forward deployments and disaster response.

Solar-charged · 72hr autonomous
LoRaWAN · 4km mesh range
MIL-STD-810 rated
02
Sentinel F1 Field
F1 · Field

Sentinel F1 Field

Roll-top weatherproof design for NGO and humanitarian deployments. Extreme heat rated.

Solar-charged · off-grid
LoRaWAN · TTN compatible
Active vent cool air delivery
03
Sentinel F1 Maternal
F1 · Medical

Sentinel F1 Maternal

Quiet operation, bottom vent cool air for neonatal and maternal care deployments.

Solar-charged · no grid needed
LoRaWAN + SMS alert fallback
WHO EOPE protocol aligned
04
Sentinel F1 Solar Pro
F1 · Pro

Sentinel F1 Solar Pro

Full-panel solar, OLED triage display, 4-button control panel. Maximum field autonomy.

Full-panel solar · extended runtime
OLED control panel · triage display
Hive Mind IoT triage built-in

Urban series · WiFi · AC power · city deployment

05
Sentinel U1 Arizona
U1 · City

Sentinel U1 Arizona

Lightweight civilian unit for urban heat response. Designed for hot dry climates like Phoenix.

AC powered · USB-C backup
WiFi · Azure IoT · Sentinel portal
LED triage · green / amber / red
06
Sentinel U1 Solar Hybrid
U1 · Hybrid

Sentinel U1 Solar hybrid

Solar top panel for supplemental charging. Clean clinic aesthetic with gold accent trim.

Solar top panel + AC grid power
WiFi · real-time portal dashboard
Peltier cooling · 12kg ice capacity
07
Sentinel U2 Clinic Fleet
U2 · Fleet

Sentinel U2 Clinic fleet

Multi-unit managed deployment for health clinics. Hive Network dashboard and stakeholder alerts included.

AC powered · grid connected
WiFi fleet management
Hive Mind triage · all units

All units include Hive Mind IoT triage · Patent pending · Billed by usage · Encounter Engineering 2026

Engineering for a safer world

Public Health.
Public Safety.
Global Scale.

Encounter Engineering partners with NGOs and international organizations to deliver evidence-based engineering solutions — from night heat mitigation to clean infrastructure — where they matter most.

Explore Our Work Partner With Us
40+
Countries Served
120+
NGO Partnerships
2M+
Lives Impacted
18yr
Global Experience
🌏

Our Mission

Engineering That Protects People First

We believe that access to safe environments is a human right. Encounter Engineering bridges the gap between cutting-edge engineering knowledge and the communities that need it most.

🌡️

Climate Resilience

Designing cooling infrastructure and urban heat island interventions to protect vulnerable populations during extreme heat events.

🛡️

Public Safety Systems

Engineering early warning, shelter, and emergency response systems in partnership with local governments and NGOs.

💧

Health Infrastructure

Safe water, sanitation, and built environments that reduce disease burden and support community health outcomes.

What We Do

Our Core Services

01
🌙

Night Heat Mitigation

Evidence-based urban cooling strategies — reflective surfaces, green corridors, ventilation design — to reduce thermal risk during nighttime heat extremes.

02
🏥

Public Health Engineering

Designing safe water, sanitation, and medical facility infrastructure to improve health outcomes in underserved and conflict-affected regions.

03
🚨

Disaster Risk Reduction

Resilient infrastructure and community alert systems built to survive and respond to natural disasters, floods, and extreme weather events.

04
📊

Field Assessment & Research

Ground-truth data collection and engineering assessments that guide effective NGO programming and donor investment decisions.

05
🤝

NGO Technical Advisory

Embedded technical expertise for humanitarian organizations — bridging the gap between engineering best practice and on-the-ground implementation.

06
🏙️

Urban Resilience Planning

Long-term city and community planning to future-proof infrastructure against climate change, population growth, and evolving public health needs.

Our Impact

Where We've Made a Difference

From sub-Saharan Africa to Southeast Asia, our engineering solutions are improving lives at scale.

Night Heat Cooling — South Asia

Delivered passive cooling retrofits for 200+ homes in climate-vulnerable communities, reducing nighttime temperatures by up to 4°C.

WASH Infrastructure — East Africa

Engineered clean water access points serving 85,000 people across three drought-affected regions in partnership with UNICEF.

Flood Resilience — Southeast Asia

Community shelter and drainage systems protecting 30,000 residents in flood-prone delta communities from seasonal flooding.

Health Facility Upgrades — West Africa

Structural and systems upgrades across 12 rural clinics, improving medical care access for 150,000 people.

"Encounter Engineering brought technical rigor to our programming that we simply could not source elsewhere. Their work on heat mitigation has been transformative."
— Senior Programme Officer, UN Office for the Coordination of Humanitarian Affairs
Trusted by organizations including
UNICEF WHO UNHCR Red Cross CARE International Oxfam MSF World Bank

Get In Touch

Ready to Build Something That Matters?

Whether you're an NGO, government agency, or funding body — let's talk about how engineering can advance your mission.