HEATING, VENTILATION & SERVICES 49 BEYOND BOILERS


As energy effi ciency standards tighten, Barry Fentem of Altecnic explores the alternatives to gas boilers which are available to help housing upgrades meet regulations while futureproofi ng homes with sustainable heating solutions.


AS ENERGY EFFICIENCY STANDARDS BECOME MORE STRINGENT, THE HOUSING INDUSTRY MUST ADAPT


s energy effi ciency standards become more stringent, the housing industry must adapt by moving away from traditional gas boilers, which can no longer be considered the default for domestic heating. ousebuilders are now encouraged to eplore alternative solutions that not only align with evolving regulations, but which also meet buyer epectations, and futureproof homes.


A HEAT PUMPS


eat pumps are pivotal in sustainable housing, offering renewable, energy- effi cient alternatives to boilers. By etracting heat from the air, ground, or water, they provide an environmentally friendly heating solution. ith effi ciencies often eceeding , they support carbon reduction targets and improve A ratings, making them attractive for regulatory approval. Both air source and ground source heat pumps suit diverse property types and climates.


HEAT PUMP COMPONENTS To ensure that heat pumps perform optimally, key components are essential. omponents like anti-freee valves, which work to protect the heat pump systems from freeing by opening at temperatures below  to allow system content to


be dripped and discharged safely. This ensures continuous operation, even in etreme winter conditions, and prevents costly damage to the system.


ynamic balancing valves are another component that help to increase effi ciency of a heat pump through distributing heat evenly throughout the heating system by regulating fl ow rates in each circuit. inally, dirt and air fi lters help to remove air, debris, and magnetic particles from the heating system, thus maintaining optimal performance. By preventing blockages and wear, fi lters reduce maintenance costs and improve the systems overall reliability.


SOLAR THERMAL/HYBRID SYSTEMS olar thermalhybrid systems offer an effective way to generate domestic hot water using renewable solar energy. By combining renewable energy sources like solar thermal systems with effi cient backup technologies, these systems ensure year-round performance, even during less sunny periods. They are an effective way to reduce reliance on non-renewable energy sources, lower carbon emissions, and futureproof homes against rising energy costs.


olar thermalhybrid heating systems offer a versatile and sustainable solution


for modern homes by combining renewable solar energy with effi cient backup technologies. These systems signifi cantly reduce reliance on grid energy and fossil fuels, promoting energy independence and lowering utility costs for homeowners. uring sunnier months, solar collectors are designed to effi ciently generate hot water, while backup technologies like heat pumps or boilers can ensure consistent performance in colder or overcast conditions. By automatically switching between energy sources based on demand, hybrid systems optimise effi ciency and minimise carbon emissions. Their adaptability and scalability make them suitable for a variety of property types and climates, providing a reliable, as well as futureproof heating solution.


SOLAR THERMAL/HYBRID SYSTEM COMPONENTS


olar thermalhybrid heating systems rely on a combination of advanced components to ensure effi ciency, reliability, and seamless integration. or eample, thermal stores, also known as buffer tanks, play a crucial role in solar and hybrid heating systems by effi ciently managing and distributing heat energy. These cylinders or tanks are designed


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