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Compatibility & Ecosystem
Compatibility & Ecosystem
Heat pumps, solar inverters, EV chargers, batteries, and smart home platforms
Why is Alva Link so much cheaper than alternatives?
Alva Link is €99 at pre-order (€249 retail) vs.
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What's the difference between Essential (free) and Autopilot for compatibility?
Essential (free) includes all local protocols: Modbus TCP/IP, Modbus RTU, OpenTherm, SG-Ready, sensor spoofing, OCPP 1.6, and community-built Modbus.
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Do I need an internet connection for Alva Link to work?
Five of Alva Link's six communication protocols run entirely wired, with zero cloud dependency: Modbus TCP/IP, Modbus RTU, OpenTherm, SG-Ready, and…
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You claim "brand-agnostic" — are there really no catches?
Our brand-agnostic claim is about architecture, not perfection.
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What devices are NOT compatible with Alva Link?
We believe in being upfront about limitations:Air-to-air heat pumps (split AC units): These typically lack Modbus, OpenTherm, or SG-Ready interfaces.
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Can my installer create custom mappings for their customers?
Absolutely.
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What is community-built Modbus support?
Alva Link includes a visual register-mapping tool that lets anyone map the Modbus registers of an unsupported device.
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Is Alva Link Matter-compatible?
Matter support for temperature sensors and radiator valves is planned via a future software update, delivered over the air.
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Does Alva Link work with Home Assistant, Homey, or other smart home platforms?
Yes. Alva Link includes a bridge mode that exposes your connected energy hardware to Home Assistant, Homey, and other platforms.
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Does each asset really need its own Alva Link device?
Yes. Each Alva Link connects to one energy asset via a direct physical connection (Ethernet, RS-485 serial cable, relay, or analog wire).
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I have a heat pump, solar panels, and an EV charger. How do they all work together?
This is where Alva Link really differentiates.
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Why does EV communication require Autopilot?
Because there's no way to read your car's battery level over a cable.
Autopilot required
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Can Alva Link communicate with my electric car directly?
Yes, with an Autopilot subscription ★.
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My EV charger is from a brand not on the list. Will it still work?
If your charger supports OCPP 1.6, it will work with Alva Link — regardless of brand.
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Which EV chargers does Alva Link support?
Alva Link supports 35+ EV charger brands at launch, covering an estimated 70–80% of the European market — entirely on the free Basic tier.The reason…
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I have a Tesla Powerwall. Can Alva optimise it?
Yes, with an Autopilot subscription ★.
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Which home batteries does Alva Link support?
Alva Link supports 27+ battery brands.
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I have an Enphase microinverter system. Will Alva Link work with it?
Yes, but with a difference in connection method.
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Which solar inverters are compatible with Alva Link?
Alva Link supports 38 solar inverter brands at launch, covering an estimated 65–70% of the European market on the free Basic tier alone, and 95%+…
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How is Alva different from tado° Heat Pump Optimizer X?
tado° builds excellent room-by-room heating control — and if your only goal is to optimise a heat pump with per-room thermostats, tado° is a strong…
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My heat pump brand isn't listed in your native support. Can I still use Alva Link?
Yes, in several ways:SG-Ready: If your heat pump has SG-Ready terminals (most European models from the last decade do), Alva Link can connect…
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I've heard that some platforms have ongoing connectivity issues with specific heat pump brands. How reliable is the Alva Link connection?
We designed Alva Link specifically to avoid the reliability problems that plague cloud-dependent integrations.The core difference: Alva Link connects…
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How does Alva Link actually connect to my heat pump?
It depends on your brand and model.
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Is Alva Link compatible with my heat pump?
Almost certainly, yes.
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