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Crestron HZ-THSTAT Horizon Wi-Fi Thermostat with Humidistat

Crestron part number HZ-THSTAT-B

The Crestron HZ-THSTAT is a Horizon wall-mounted thermostat with a built-in humidistat and a 3.5 in (89 mm) touch screen, linked to a Crestron control system over Wi-Fi. It handles one- and two-stage forced air, heat pump, radiant floor and 2-pipe or 4-pipe FCU systems, plus humidity control.

Price on request

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Installation and programming

Need it installed? Our Crestron certified engineers install, set up and programme everything we supply. A 4 hour visit is €440 and a full day €880, plus VAT.

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Crestron HZ-THSTAT Horizon Wireless Thermostat

About the Crestron HZ-THSTAT

The HZ-THSTAT works with conventional 2H/2C systems, heat pumps up to 4H/2C with auxiliary heat, 2-pipe FCU 2H/2C, 4-pipe FCU H/C, radiant floor warming and humidity systems. The touch screen is used to set the system type, radiant floor, sensor setup and control settings, while RGB backlit capacitive buttons and a light bar show the mode and when the HVAC is calling. Behaviour can be set separately for day and night.

Built-in sensors measure temperature to ±0.5 °C and humidity to ±5% RH. Up to four remote temperature sensors (CHV-RTS, CHV-RSS, CHVI-RTS-1G-N-W or CHVI-RTS-1G-SM-W) and up to two remote temperature/humidity sensors can be added, sold separately. The thermostat connects to the control system over 2.4 GHz Wi-Fi (802.11b/g/n) and reports the current outdoor temperature, weather conditions and the week's forecast.

It runs on 24 VAC from the HVAC system, using 2.5 W, with relays rated 1 A each and 3 A in total. Where there is no common wire, the HZA-CONV-THSTAT-2WIRE adapter (sold separately) lets it work without one. The unit is 89 mm high and 124 mm wide and sits 14 mm proud of the wall. Configurations can be created, loaded onto several thermostats at once and sent remotely with the Thermostat Configuration Tool in Crestron Toolbox.

Key features

  • Heating, cooling and humidity control in one wall unit
  • Works with forced air, heat pump, 2-pipe and 4-pipe FCU and radiant floor systems
  • 3.5 in (89 mm) touch screen with RGB backlit capacitive buttons
  • Wi-Fi link to the Crestron control system
  • Up to four remote temperature and two remote temperature/humidity sensors
  • Reports outdoor temperature, weather and the week's forecast
  • Remote and batch configuration through Crestron Toolbox
  • Slim profile, 14 mm from the wall

HZ-THSTAT specifications

Systems2H/2C conventional; heat pump 4H/2C with auxiliary heat; 2-pipe FCU 2H/2C; 4-pipe FCU H/C; radiant floor; humidity
Display3.5 in (89 mm) backlit transflective LCD touch screen, 320 x 480
SensorsBuilt-in temperature (±0.5 °C) and humidity (±5% RH); up to 4 remote temperature and 2 remote temperature/humidity sensors
Measurement rangeIndoor 0 to 43 °C; outdoor temperature via a remote sensor; humidity 0 to 100% RH
Setpoint rangeHeat 3 to 32 °C; cool and auto 3 to 37 °C; radiant floor 3 to 43 °C; humidity 5 to 90% RH
CommunicationsWi-Fi 802.11b/g/n, 2.4 GHz
Power24 VAC, 2.5 W; relays 1 A each, 3 A total at 24 VAC
Common wireOptional HZA-CONV-THSTAT-2WIRE adapter for systems without a common wire
DimensionsHeight 89 mm (3.52 in), width 124 mm (4.90 in), depth 45 mm (1.76 in) overall and 14 mm (0.57 in) from the wall; mounting depth 38 mm (1.50 in)
FinishAlmond (-A), black (-B) or white (-W)

Part numbers on this page

Part numberVersionPriceAdd
HZ-THSTAT-B Black On request
HZ-THSTAT-A Almond On request
HZ-THSTAT-W White On request

Where the HZ-THSTAT is used

  • Homes with heat pump, forced air or radiant floor heating
  • Rooms served by 2-pipe or 4-pipe fan coil units
  • Spaces that need humidity control alongside temperature
  • Projects that configure many thermostats at once

Works with the HZ-THSTAT

Crestron installed by 1Install

We supply, install and programme Crestron in homes and businesses across Ireland. These photos are from our own installations. See more in our projects, or budget a whole system with our Quote Builders for homes and meeting rooms.

Open plan living space with smart lighting in Ranelagh, Dublin
Open plan living space with smart lighting in Ranelagh, Dublin
Country house at dusk with Crestron lighting in Waterfall, Cork
Country house at dusk with Crestron lighting in Waterfall, Cork
Double height living room with integrated TV and audio in Foxrock, Dublin
Double height living room with integrated TV and audio in Foxrock, Dublin

Questions about the Crestron HZ-THSTAT

What is the Crestron HZ-THSTAT?

It is a Horizon wall-mounted heating and cooling thermostat with a built-in humidistat. It has a 3.5 in (89 mm) touch screen, connects to a Crestron control system over Wi-Fi and controls one- and two-stage forced air, heat pump, radiant floor and fan coil unit systems, as well as humidity.

Which HVAC systems does the HZ-THSTAT support?

Crestron lists conventional 2H/2C systems, heat pump 4H/2C systems with auxiliary heat, 2-pipe FCU 2H/2C, 4-pipe FCU H/C, radiant floor warming and humidity control. It runs on 24 VAC from the HVAC system, so check the existing system type and wiring before choosing it as a replacement.

Can the HZ-THSTAT work without a common wire?

Yes, with the HZA-CONV-THSTAT-2WIRE Common Wire Adapter, which is sold separately. The adapter lets the thermostat power itself and make HVAC calls without taking power from the call relay connections, which avoids adding a common wire to the HVAC system in a retrofit.

Can remote sensors be added to the HZ-THSTAT?

Yes. As well as its own temperature and humidity sensors, it supports up to four remote temperature sensors, such as the CHV-RTS, CHV-RSS, CHVI-RTS-1G-N-W or CHVI-RTS-1G-SM-W, and up to two remote temperature/humidity sensors. Remote sensors are sold separately.

What colours are available?

This page covers three finishes: HZ-THSTAT-A in almond, HZ-THSTAT-B in black and HZ-THSTAT-W in white. All three are the Horizon Wireless Thermostat, measuring 89 mm high and 124 mm wide and sitting 14 mm from the wall surface when mounted.

How much is the Crestron HZ-THSTAT?

Crestron asks its dealers to give the price of the HZ-THSTAT directly rather than publish it online. Add it to your quote list and we will send you a written quote, with delivery, and installation and programming if you need them.

Can 1Install supply, install and programme the HZ-THSTAT?

Yes. 1Install is an authorised Crestron Elite Partner with offices in Skerries, Co. Dublin and Cork. We can supply the HZ-THSTAT on its own, or install, set up and programme it as part of your system. Installation visits are €440 for 4 hours or €880 for a full day, plus VAT and travel.

Does the HZ-THSTAT come with a warranty?

Yes. Everything we supply is new, genuine Crestron with Crestron's standard warranty. If the HZ-THSTAT develops a fault, contact us and we will handle the claim with Crestron. If we installed it, our workmanship is guaranteed for the lifetime of the system.

Is the HZ-THSTAT in stock?

We order Crestron for each quote, so availability depends on Crestron's stock at the time. We check it before we quote and put the expected delivery date on your quote, so you know where you stand before you pay.

Can I buy the HZ-THSTAT without installation?

Yes. We supply Crestron to end users, with or without installation. Like most Crestron devices of this type, it needs setting up or programming before it works in a system, and we can quote for that too.

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