Time and Temperature Zone Control TTZZ
Time and Temperature Zone Control (TTZZ) refers to heating systems that allow for the independent programming of both the time of heating and the temperature in different areas or zones of a building. This can both help improve comfort levels and help improve energy efficiency of the system.
Such systems work by using multiple thermostats or smart thermostatic radiator valves (TRVs) to control separate heating circuits or zones, allowing energy to be focussed on areas in use. This is different from now relatively rare single-zone heating systems, which effectively use just a single thermostat to control the entire space heating for a building. These systems may also compensation boiler control also know as weather compensation, including an external sensor allowing it to compensate for external temperatures to improve efficiency.
With the onset of the Internet of Things (IoT) and smart technology many of these systems can now be wifi controlled, meaning they can be controlled and monitored remotely from a smart phone or laptop.
[edit] Related articles on Designing Buildings
- Boiler.
- Building standards.
- Heat exchanger.
- Heat interface units.
- Heat meter.
- Heat recovery.
- Heat transfer.
- Radiant heating.
- Sequence control.
- Smart Homes and Buildings market.
- Thermal comfort.
- Thermostat.
- Time and Temperature Zone Control TTZZ.
- Types of boiler.
- Weather compensation.
- Zone control.
Featured articles
Check out some of the best features and news from Designing Buildings as well as key stories from around the web.
Government approach could undermine delivery and regeneration.
World's first mass timber data centre.
The overlooked environmental aspect of data centre development.
Introduction to radon awareness
New technical information sheet published by CIOB.
Updated supplier guide can help electrical contractors engage with NHP.
CIAT confirm the winners of the 2026 architectural technology awards.
Government launches a one stop shop for flood preparedness.
Sir Edwin Lutyens: Britain's greatest architect? Book review.
CIOB publishes free template to help assess and manage risks.
ECA's reflections on Party Conference season
Burnham wants to be confident of winning before asking for a fresh mandate.
New Chief Construction and Scientific Adviser
Sergio Cavalaro, Professor of Infrastructure Systems at Loughborough University.
Building safety levy for England
CIAT publish estimator tool for members.
Water sector faces a growing crisis that could slow the delivery of vital infrastructure.