Energy Digital August 2026 | Page 92

SUSTAINABILITY
WHAT IS AN HVAC SYSTEM?
HVAC stands for Heating, Ventilation and Air Conditioning. These all-in-one systems are composed of several vents placed around a building, regulating the temperature of buildings by circulating air. With the help of AI and IoT sensors, modern HVACs can function autonomously, regulating heating and cooling based on real-time readings of a building’ s temperature.
By adjusting indoor climates automatically, these kinds of HVAC systems can make energy savings of up to 40 %, according to the UK Government. fastest route to significant carbon reductions without disrupting housing stock or commercial infrastructure.
What retrofitting actually costs The construction work involved varies dramatically by building type and ambition. A basic residential retrofit might cost between US $ 5,000 and US $ 15,000 and include loft insulation, draught-proofing and a new boiler.
Commercial buildings require deeper intervention, with costs running from US $ 50 to US $ 150 per square metre for comprehensive upgrades including façade improvements, HVAC system replacements and smart building