Nothing on the walls. Heat only the rooms you use. Slim white PowerBoard panels on the ceiling warm people and everything in the room directly, instead of heating the air first. Supplied and installed across the UK.
For a typical UK 3-bedroom home, PowerBoard infrared runs at £562–£1,263 per year (~£47–£105/mo) in real-world zoned use - only heating the rooms you're actually in, with panels cycling instead of running flat-out like a radiator. Pair it with solar PV + battery storage and that drops to £57–£758 per year (~£5–£63/mo). Gas runs £800-£1,400, oil £1,200-£2,000, LPG £1,500-£2,500. Costs vary based on insulation, panel sizing, and energy tariff.
Oil & LPG homeowners save most. Fuel costs 40-60% higher than gas means the running cost saving from switching is larger for rural properties.
Pair with solar PV + battery. Infrared panels respond instantly, so a solar PV + battery setup can cover most heating demand directly. Diverter-only setups can't power panels in the evening - battery storage does.
How these figures are calculated: All PowerBoard figures above come from the same formula used by the calculator below - UK 3-bedroom home at 27p/kWh. We keep this rate fixed, set just above Ofgem's price cap when we chose it (26.32p, October 2026). The "all rooms, full demand" line is a like-for-like worst case where every panel runs as if it were a radiator covering the whole property. "Typical zoned use" applies a 55% real-world utilisation factor to reflect how PowerBoard is actually used: only the rooms in active use are heated and panels cycle once at temperature. The "with solar" line assumes a 4kW solar PV system with battery storage. Run the calculator with your own home's details for a personalised figure.
Annual running cost estimates for typical Sheffield properties, based on the comparison-table benchmarks above.
Gas / electric figures are UK 3-bed mid-points scaled by property size. PowerBoard figures come from the calculator's own formula: about 5 heating hours a day at 27p/kWh, with panels actually drawing power only ~38% of that time (thermostats cycle panels off once a room is at temperature, and only the rooms in active use are heated), scaled to Sheffield's 8.5-month heating season. The "with solar" column also assumes a 4kW solar PV system with battery storage. Use the calculator above for a personalised figure.
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Climate, housing stock and energy mix all shift the headline figure. Here's how Sheffield compares.
Sheffield's seven hills create a microclimate map of their own. Stocksbridge and Stannington can sit two to three degrees colder than the city centre on a January morning, and snow regularly settles on the higher western suburbs while Kelham Island stays clear. The wider South Yorkshire winter average sits around 3.5°C, and with 1,100mm of annual rainfall and a long heating season, anything that lets households heat only the rooms they're using has a meaningful bill impact.
Sheffield's housing is dominated by the steel-city stone terraces of Crookes, Walkley and Nether Edge, the post-war system-built blocks of Park Hill and Kelvin, and the modern apartment stock around Kelham Island. Park Hill's Grade II* listing makes its retrofit unusually constrained - anything visible from the deck or the listed concrete frame is restricted, so internal ceiling-mounted heat is one of the few options that keeps the building's character intact.
Sheffield runs one of the UK's longest-established district-heating networks via Veolia, serving the city centre and parts of Park Hill from the energy-recovery facility at Bernard Road. Outside the network footprint, the bulk of S-postcode homes are on individual gas combis, with electric heating concentrated in the high-rise blocks of the Manor and Norfolk Park estates.
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