- HEP Heat and Air
- Smart Thermostats

Smart Thermostats
Smart Thermostats | Thermostat Upgrades | Heating and Air Conditioning | Bristol
Picture a frosty Bristol dawn: you’re tucked in bed, yet the radiators are already warming every room because you adjusted the heat from your phone the night before. HEP’s smart thermostats make that effortless convenience a reality, learning your schedule, reacting to sudden West Country weather shifts, and even sending helpful energy-use insights to your inbox. The result is a home that feels perfect the moment you walk through the door—and bills that finally make you smile.
HEP’s thermostat upgrades are handled by local, certified technicians who know Bristol’s housing stock inside out, from Georgian terraces to modern flats. They’ll swap out outdated controls in a single visit, integrate with your existing boiler or heat pump, and leave you with an intuitive app that puts total climate control in your pocket. Ready to enjoy comfort on command and savings that last? Book your appointment today and experience smarter living, one degree at a time.
FAQs
What are the main benefits of upgrading to a smart thermostat in Bristol’s climate?
A smart thermostat continually learns your household’s schedule and adapts heating and cooling cycles to match Bristol’s mild, changeable weather. It automatically turns the system down while you’re out, pre-warms before you get home, and optimises overnight temperatures, giving you 10–20 % lower energy use on average. Many models also provide humidity control, local weather integration, and energy-use reports—helping you stay comfortable during damp winters, occasional summer highs, and everything in between.
Will a smart thermostat work with my existing boiler, heat pump, or air-conditioning setup?
Almost certainly. Today’s smart thermostats are designed to work with the vast majority of UK HVAC systems, including combi and system boilers, conventional S-Plan/Y-Plan setups, and modern air-source heat pumps. During our free survey we’ll verify compatibility, check for a common ‘C-wire’ or provide an add-on power kit if needed, and make sure any zoning or under-floor circuits are properly integrated.
How much can I expect to save on my energy bills after installing a smart thermostat?
Savings vary with property size, insulation level, and user habits, but most Bristol homeowners see annual reductions of £120–£250. Independent studies show 8–15 % savings on gas heating and up to 23 % on electric cooling. Features such as geofencing, open-window detection, and adaptive ‘load shifting’ (running the heat pump when electricity is cheapest) maximise long-term savings.
Do I need home Wi-Fi and a smartphone to use all the features?
For basic temperature control, no—your new thermostat still works like a traditional wall unit. However, Wi-Fi and a smartphone (iOS or Android) unlock remote control, real-time notifications, smart-home integrations (Alexa, Google, Apple Home), and automatic firmware updates. If you have patchy Wi-Fi, we can recommend mesh boosters or a hard-wired Ethernet adaptor to maintain a stable connection.
Is professional installation required, and how long does it take?
We highly recommend professional installation to ensure wiring safety and correct configuration of UK-specific heating circuits. A qualified engineer will typically complete the job in 60–90 minutes, including removal of the old thermostat, fitting the new back-plate, connecting the heat-link/relay, and commissioning the mobile app. Before leaving, we provide a personalised tutorial and set up any smart-home routines you want.
Can the upgrade help me meet regulations or qualify for local incentives?
Yes. Smart thermostats support compliance with the latest UK Building Regulations Part L by providing automated time and temperature control for each heating zone. Although Bristol currently has no standalone grant for thermostats, a smart controller can form part of wider energy-efficiency funding (e.g., ECO4, Boiler Upgrade Scheme). We’ll supply all invoices and performance documentation needed for incentive applications and EPC assessments.