What a second home actually needs
Full-time homes want convenience. Second homes want assurance. The questions an absent owner asks are simple: is the house dry, is it cool, is anything open that should be closed, who has been in, and will it be ready when I arrive. Every system we design for a seasonal residence answers one of those questions from a phone, and keeps answering it through the outages and humidity that Miami delivers between visits.
The mistakes are also predictable: a consumer camera on the Wi-Fi that dropped offline in June, a thermostat with no alert when the AC failed, a housekeeper with the alarm code written on a card, and a rack that rebooted into a broken state during a storm and stayed that way for weeks.
Start with a network that reports in
Everything else depends on the network staying up and being visible to someone. We build second-home networks on Ubiquiti UniFi with remote monitoring, so we see every access point, switch and camera from our office and get alerted when something goes offline. Most issues are resolved remotely, and when a visit is needed we know what to bring.
- A UniFi gateway with a cellular or second-ISP failover, so a cable outage does not sever the house from its owner.
- PoE switches and access points on a UPS sized to ride through the daily blips and the first hour of a real outage.
- The rack room on the generator circuit where the home has one.
- Automatic recovery: the system restarts in the right order after power returns, with no one on site.
Alerts that reach you before the damage does
Water is the second-home enemy. A failed supply line under a bathroom vanity can run for weeks in an empty house. We place leak sensors at every water heater, under every sink, at the laundry, the AC air handler drain pans and the refrigerator line, and we tie them to a notification and, where the plumbing allows, to an automatic shut-off valve on the main.
Climate matters almost as much in a sealed Miami home. If the AC fails in August, humidity climbs within a day and mold follows. Temperature and humidity sensors in the main living area, the primary suite and the rack room alert on thresholds so a service call happens before the house smells like a problem.
| Alert | Sensor | What happens |
|---|---|---|
| Water on the floor | Leak sensors at fixtures and appliances | Push alert to owner and manager; main valve closes |
| AC failure | Temperature and humidity sensors | Alert at threshold; HVAC contractor dispatched |
| Power lost | UPS and gateway status | Alert; generator status shown in the app |
| Door or gate opened | Contact sensors, UniFi Access, locks | Entry log with a camera snapshot |
| Person on the property | UniFi Protect analytics | Alert with a clip; filtered for wildlife and staff |
| Internet down | Gateway failover | Switches to cellular; we are notified |
Letting the right people in
A seasonal home has more visitors than the owner: housekeeping, pool service, landscapers, the AC contractor, a property manager, and guests. Every one of them should get their own credential with its own schedule, and every use should be logged with a snapshot. Smart locks with per-person codes, UniFi Access readers at the gate and service entrance, and a video intercom that rings the owner's phone make that routine.
Codes expire when a contract ends. A one-time code opens the package room for a delivery. The housekeeper's code works Tuesdays from nine to two. When the owner is in residence, staff credentials can be paused with one tap. None of it requires giving anyone the alarm code.
Cameras that keep working when nobody is home
Second-home cameras must record locally, because the cloud is exactly what an outage removes. UniFi Protect cameras on PoE record continuously to an NVR in the rack, with 30 to 90 days of history, and analytics that alert on people and vehicles rather than iguanas and palm fronds. Coverage should include every approach and, on waterfront homes, the dock and seawall, which is where the uninvited arrive.
Interior cameras are a personal choice, but a camera on the utility room and one on the main living area answer most "is everything all right" questions in one glance and give a property manager a way to verify a fix without a second visit.
The house gets ready before you land
The reward for all of this is the arrival scene. Tapped from the airport, it brings the climate to temperature, opens the shades, turns on entry and landscape lighting, starts music in the great room and runs a check that every device is online and every door is closed. When you walk in, the house has been expecting you for two hours.
The reverse scene, run from the car on the way out, sets the climate to an away setpoint that still controls humidity, closes shades, arms the system, pauses staff codes if you choose, and confirms that no water is running. Both are programmed for how each household actually travels, and both are tuned after the first season.
A departure checklist for owners
- Confirm alerts reach the right phones
Owner, spouse and manager, with the manager first on water and climate alerts so a local response is not waiting on a time zone.
- Review staff credentials
Pause what is not needed, set schedules for what is, and delete codes for anyone no longer working at the house.
- Check the UPS and failover
A quick test from the app: pull the internet, confirm the cellular link takes over, confirm the rack rides through a simulated outage.
- Set the away climate
Not off. A Miami home needs humidity control while empty; the away setpoint keeps the interior under 55 percent humidity without cooling an empty house to 70 degrees.
- Run the Away scene and read the report
Every door closed, water off where valves exist, shades down, cameras online, alarm armed.
Service plan clients get a pre-season visit from us before they arrive and a post-departure check after they leave, so the house is looked at by a technician twice a year even if nothing ever goes wrong.
Questions people ask about this
Do I need a property manager if the house is monitored?
Monitoring tells you what is happening; someone still has to respond on site. Most owners keep a manager or a trusted contact who receives the same alerts and holds a credential. The technology makes their job a phone check instead of a weekly drive.
What happens if the internet is out for days after a storm?
The cellular failover keeps the house reachable as long as the cell network is up. Locally, cameras record, sensors log and locks work regardless. When the connection returns, alerts that queued are delivered and the entry log is intact.
Can the house shut off the water automatically?
Yes, with a motorized valve on the main line and leak sensors tied to it. It is one of the highest-value additions to a second home and is often welcomed by insurers.
How much of this can be added to an existing home?
Nearly all of it. Sensors are wireless, locks and readers install on existing doors, a UniFi network replaces the provider router, and cameras can often reuse existing cable runs. The rack, UPS and failover are the foundation we start with.
Serving Fisher Island, Key Biscayne, Bal Harbour and across South Florida.