Home Assistant Product Finder & Whole-Home Planner

What “proven” means here: products are separated by compatibility evidence, including Home Assistant integrations, Zigbee2MQTT device support, and the Made for ESPHome program. A listing is not a universal guarantee—verify the exact model, region, firmware, electrical load and exposed features before ordering.

Product details open the technical or manufacturer source; buying options open a current model-specific shopping search.

Build My House Cost Estimator

Describe the house, choose wired or wireless by subsystem, and account for wiring that already exists. The result includes suggested products, materials, labor hours at $80/hour and DIY versus installed planning ranges.

Project pricing

Choose the equipment level and adjust the planning assumptions. Equipment prices are ranges because models and market prices change.

Equipment level

Installation labor rate

Equipment markup %

Sales tax %

Contingency %

Existing infrastructure and cable access

Can new low-voltage cable be installed?

Existing network core

Usable Cat6 / PoE runs

Existing security sensor runs

Existing powered doorbell wires

Existing speaker-zone runs

Existing shade-power runs

Average cable-run length (feet)

Choose the connection for each subsystem

“Let planner decide” uses the existing wiring and access information above. You can override every category.

Cameras

Video doorbells

Wi-Fi access points

Door, window and motion sensors

Leak sensors

Garage-door controls

TV / data locations

Lighting controls

Motorized shades

Whole-home audio

House and system scope

Approx. square feet

Floors

Bedrooms

Bathrooms

Exterior entry doors

Windows to monitor

Garage doors

Fixed camera locations

Video doorbells

Wi-Fi AP / mesh locations

TV / data locations

Wall dashboards

Motion sensor locations

Extra leak-risk points

Smart lighting circuits

Smart locks

Motorized shades

HVAC zones / thermostats

Audio zones

Whole-house water shutoff

Whole-home energy monitor

Smoke/CO status monitoring

Other-trade and site allowances

Enter outside costs you already expect. These are added to the installed estimate and help keep electrical, plumbing and wall repair from disappearing from the budget.

Electrical allowance ($)

Plumbing allowance ($)

Drywall / paint allowance ($)

Permits, lift or other allowance ($)

Recommended build sequence

Survey and architecture
Inventory openings, equipment models, rack location, network, wire routes and electrical conditions.

Pull infrastructure
Use the wiring guide to plan Cat6, 22/2, 22/4, thermostat/control, speaker wire and conduit before finishes close access.

Network + rack
Router/firewall, PoE switching, UPS, patching, NVR, Home Assistant and local bridges/controllers.

Add one subsystem at a time
Security, garage, lighting, cameras, locks, HVAC, water, shades, energy and audio.

Automate after states are trustworthy
Verify sensors and manual control before writing cross-system automations.

How the system fits together

Open the full whole-home installation guide →
Open the dedicated home wiring guide →

INTERNET | Router / Firewall | Managed PoE Switch -------------------------------+ | | | | | Home NVR Cameras Wi-Fi APs Wall panels Assistant | | +---- local video/events ------------+ | +-- Zigbee coordinator -> sensors / buttons / selected lighting +-- Z-Wave adapter -----> locks / switches / valves / sensors +-- Thread/Matter ------> Matter devices +-- Ethernet/PoE -------> Konnected / controllers / bridges +-- Local integrations -> Lutron / Reolink / UniFi / HVAC / energy Hardwired door/window/PIR/leak contacts -> Alarm/Konnected inputs -> Home Assistant

Wired-first infrastructure

Cat6 to fixed network devices; 22/2 for simple contacts; 22/4 for powered alarm sensors; spare thermostat/control conductors; speaker wire and conduit while access is easy.

Security

Hardwired contacts are ideal in new work. Wireless Zigbee/Z-Wave is excellent for retrofits. Individual zones make state and troubleshooting much clearer.

Cameras & doorbells

PoE provides reliable power and data. Plan storage and AI/event support separately from basic video compatibility.

Garage

Use an opener-compatible local controller and real state feedback. A relay pulse without door position is not enough for robust automation.

Lighting

Use hardwired smart wall controls for primary room lighting so manual operation remains available. Check neutral, load type and multi-way wiring.

Water protection

Leak sensors become far more valuable when paired with a tested whole-house shutoff valve and clear notifications.

Life safety

Smoke and CO systems must remain listed, code-compliant and independent. Home Assistant may monitor or react, but should not be the only protective layer.

Documentation

Label both ends of every cable and record port, zone, model, protocol, battery, PoE requirement and manual. Good documentation is part of the installation.