PHAM NEWS | APRIL 2025 24 Energy SavingProducts


Heating, cooling and ventilation system in one


Supplies, opted for a Worcester Bosch air source heat pump and selected the Unico Heating, Ventilation & Cooling (HVAC) system that integrates with the heat pump, specifi cally tailored for retrofi tting in this kind of home. With a heating and cooling load


of 4.5kW, the compact 1218 Series Unico Air Handling Unit equipped with a chilled water coil was discreetly installed in the loft. Its fully insulated ducting delivers conditioned air effi ciently through 13 round, ceiling-mounted outlets across both fl oors, seamlessly routed above ceilings and inside walls.


The Unico 3-in-1 heating, ventilation, and cooling system can be retrofi tted in older homes that suff er from draughtiness, energy ineffi ciency, poor insulation, and uneven temperatures, all of which can lead to mould and inadequate air fl ow. A recent project in Worcestershire has helped to demonstrate how homeowners can benefi t from a sustainable solution that can be installed without the need for major structural change. The property is an 85m2


ECO4 uplift for the Nimbus


The ECO4 Innovation Measure has been awarded to Ariston, making it the third manufacturer in the UK to achieve this recognition. The ECO4 scheme aims to enhance energy effi ciency and lower carbon emissions in homes, particularly for low-income and vulnerable households. Eligible homeowners, landlords and private tenants can receive


Low power heat battery


To cater for situations where only a smaller electrical power supply is available, Sunamp has introduced a new range of low power Thermino heat batteries designed for hot water applications. By reducing the charging power below 2kW, the new Thermino models can serve where incoming power capacity is limited, such as holiday lodges and park homes. Low power Thermino heat


batteries have a heating element capacity of 1800W, adding to the range of existing models with a power rating of 2800 watts (at 230V, 50 Hz). By charging a little


funding for various home improvements, including the installation of air source heat pumps. To qualify for the 25% uplift, installations must feature a Nimbus air-to-water ASHP model with a 10-year warranty, enabled


for ‘Active Care’ through the Ariston NET app. The app enhances the performance of the heat pump, allowing for remote monitoring and issue resolution, minimising the need for on-site installer visits. ◼ phamnews.co.uk/425/33


energy content of the products remains the same. The new models remain


compatible with a range of solar PV diversion controllers including my-PV, Elios4you from 4-noks, and myenergi eddi. Thermino heat batteries, which


slower, which increases charge time by one third, they are compatible with lower rated power supplies. As charging often happens overnight or in the afternoon, users will experience little or no change in their hot water supply – just as much will be available on tap, as the


use Sunamp’s proprietary Plentigrade phase change material, are up to four times smaller than the equivalent hot water cylinder, can store energy from renewable and non-renewable sources and enable heat pumps to be fi tted in space-constrained homes which can’t easily accommodate a bulky hot water cylinder. Low power Thermino heat batteries are available as Thermino ePlus and Thermino xPlus. ◼ phamnews.co.uk/425/34


detached home built in the 1980s. The layout includes two double bedrooms, a single bedroom, and a bathroom upstairs, while the ground level off ers a hallway, kitchen and a spacious dining/ living area. The house is equipped with double-glazed windows, 200mm loft insulation, and cavity wall insulation, making it ideal for accurate heat loss surveys and precise system sizing. Owner Joe Roberts, who works


with renewable technologies at Unico’s partner Bell Plumbing


Energy effi ciency The combination of the Unico HVAC system with the ASHP has created a highly effi cient heating and air conditioning setup, maintaining a comfortable 18°C throughout the home. An additional Mixergy intelligent hot water cylinder was installed in the loft alongside the Unico unit, allowing for the conversion of the existing airing cupboard into a new shower. Installation was minimally


intrusive, as there was no need to remove fl oorboards to access old pipework. The 13 ceiling outlets blend seamlessly with the newly decorated interiors, presenting a discreet appearance. Additionally,


Optimising heat and ease of


installation


Ambiente has launched its latest high-performance underfl oor heating system, JoFloor 28, which strikes a balance of optimal heat distribution and ease of installation within suspended timber fl oors. The JoFloor 28 structural


underfl oor heating system has been designed to address the unique challenges presented when fi tting underfl oor heating in suspended timber fl oors. This solution incorporates


Alu-Foil within both the base and top panels, which enhances thermal conductivity, boasts an impressive heat output of 74W of


output per m2 and increases


response time. The Alu-Foil ensures even heat distribution across the entire fl oor surface, ensuring every corner of the space benefi ts from consistent warmth. The system’s foundation is a


22mm tongue-and-groove P5 fl ooring-grade chipboard base panel, grooved to receive the AmbiFlex P12 pipe and fi nished with Alu-Foil. Staggered pipe routes ensure the boards are less likely to weaken or warp over time, maintaining the fl oor’s structural and thermal performance. The underside of the 6mm cover


panels features a bonded Alu-Foil layer, while the reverse top layer of the panel is printed with a striking orange design. Once in situ, the JoFloor 28 system is ‘fl oor fi nish ready’ to accommodate carpet, wood and vinyl, further easing installation. ◼ phamnews.co.uk/425/35


Joe benefi ted from being able to remove old radiators, freeing wall space for new bookshelves to accommodate his extensive library. Unlike traditional heating and


cooling systems that often lead to uneven temperature distribution, the Unico system employs the aspiration principle, delivering conditioned air consistently within a +/-1°C variation, resulting in uniform temperatures.


Enhanced air quality The 3-in-1 system provides not only heating but also cooling and ventilation year-round, enhancing indoor air quality. During warmer months, it allows for closed windows, preventing pollen and


pollutants from entering. The air fi ltration system, along with optional UV light for air disinfection, eff ectively eliminates odours, mould and bacteria. It also removes 30% more humidity than conventional systems, signifi cantly reducing condensation on windows and helping to prevent mould. Commenting on the outcome,


Joe says: “The system is designed to be as effi cient as possible and it is nice to prove that a standard 1980s built home can have a heat pump and be fi tted with a Unico System to provide heating and hot water very effi ciently. It has been faultless in operation.” ◼ phamnews.co.uk/425/32


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