https://whatgreenhome.com/ Warmer, cheaper, lower-carbon homes - UK guides and grants https://whatgreenhome.com/uk-solar-pv-g99-application-steps-for-home-systems/https://whatgreenhome.com/uk-solar-pv-g99-application-steps-for-home-systems/Wed, 28 Oct 2026 08:00:00 +0000Understand the G99 application process for UK home solar systems above 3.68kW, including who applies, DNO timelines, and export rules. https://whatgreenhome.com/rim-joist-insulation-cost-for-basement/https://whatgreenhome.com/rim-joist-insulation-cost-for-basement/Wed, 28 Oct 2026 08:00:00 +0000Understand the typical UK costs and key factors affecting basement rim joist insulation for better energy efficiency and lower bills. https://whatgreenhome.com/mould-remediation-with-hepa-filter-in-ventilation-system/https://whatgreenhome.com/mould-remediation-with-hepa-filter-in-ventilation-system/Wed, 28 Oct 2026 08:00:00 +0000Find the correct order for isolating, filtering, cleaning MVHR ducts with HEPA filters and verifying airflow to control mould effectively. https://whatgreenhome.com/how-to-become-heat-pump-installer/https://whatgreenhome.com/how-to-become-heat-pump-installer/Wed, 28 Oct 2026 08:00:00 +0000Follow clear steps from trade background to MCS registration to become a qualified UK heat pump installer. https://whatgreenhome.com/how-much-does-draught-proofing-cost/https://whatgreenhome.com/how-much-does-draught-proofing-cost/Wed, 28 Oct 2026 08:00:00 +0000Typical UK draught proofing costs range £5–£150, with UPVC door sealing around £15–£30 each. https://whatgreenhome.com/how-are-epc-ratings-worked-out/https://whatgreenhome.com/how-are-epc-ratings-worked-out/Wed, 28 Oct 2026 08:00:00 +0000Understand how EPC ratings derive from SAP scores and home details to guide UK homeowners towards energy savings and better property grades. https://whatgreenhome.com/cost-of-10kw-home-battery-system-installed/https://whatgreenhome.com/cost-of-10kw-home-battery-system-installed/Wed, 28 Oct 2026 08:00:00 +0000Find out the full UK installed cost for a 10kWh home battery system, including all fees, and compare its value per kWh against bigger battery sizes. https://whatgreenhome.com/are-triple-glazed-windows-worth-it/https://whatgreenhome.com/are-triple-glazed-windows-worth-it/Wed, 28 Oct 2026 08:00:00 +0000Learn typical UK triple glazing costs, energy benefits over double glazing, and when triple glazed windows justify their price. https://whatgreenhome.com/what-are-mvhr-filters/https://whatgreenhome.com/what-are-mvhr-filters/Tue, 27 Oct 2026 08:00:00 +0000MVHR filters clean incoming air and protect the exchanger. Learn grades, change intervals and the signs they are overdue. https://whatgreenhome.com/how-to-install-floor-joist-insulation/https://whatgreenhome.com/how-to-install-floor-joist-insulation/Tue, 27 Oct 2026 08:00:00 +0000Fit insulation between suspended timber joists to cut draughts, keep floors warm and protect joists from damp. https://whatgreenhome.com/heat-meter-accuracy-for-air-to-air-heat-pump/https://whatgreenhome.com/heat-meter-accuracy-for-air-to-air-heat-pump/Tue, 27 Oct 2026 08:00:00 +0000Air-side heat metering has no MID-approved meter like water circuits. Learn what drives error and how to check your own numbers. https://whatgreenhome.com/can-you-run-a-heat-pump-on-solar/https://whatgreenhome.com/can-you-run-a-heat-pump-on-solar/Tue, 27 Oct 2026 08:00:00 +0000You can run a heat pump on solar in the UK, but you will still need the grid in winter. Here is how to size it and stage the work. https://whatgreenhome.com/best-energy-monitor-for-home-assistant/https://whatgreenhome.com/best-energy-monitor-for-home-assistant/Tue, 27 Oct 2026 08:00:00 +0000Choose the right energy monitor for home assistant to track your home's power use and save energy with practical retrofit choices. https://whatgreenhome.com/air-to-air-heat-pump-noise-levels-in-urban-homes/https://whatgreenhome.com/air-to-air-heat-pump-noise-levels-in-urban-homes/Tue, 27 Oct 2026 08:00:00 +0000Use the 42 dB window test to check if an air-to-air heat pump fits a terrace plot, from 1m rating to fence level. https://whatgreenhome.com/what-is-a-heat-recovery-ventilator/https://whatgreenhome.com/what-is-a-heat-recovery-ventilator/Sun, 25 Oct 2026 08:00:00 +0000A heat recovery ventilator exchanges indoor stale air for fresh outside air while recovering heat to save energy. https://whatgreenhome.com/what-is-a-generation-meter-solar-panels/https://whatgreenhome.com/what-is-a-generation-meter-solar-panels/Sun, 25 Oct 2026 08:00:00 +0000A generation meter counts every kWh your solar makes, so you can prove output, spot faults and claim payments. https://whatgreenhome.com/how-much-does-internal-insulation-cost/https://whatgreenhome.com/how-much-does-internal-insulation-cost/Sun, 25 Oct 2026 08:00:00 +0000What you will pay per m² for internal and external wall insulation in the UK, with scaffolding broken out. https://whatgreenhome.com/gas-combi-boiler-lifespan-and-annual-service-cost-uk/https://whatgreenhome.com/gas-combi-boiler-lifespan-and-annual-service-cost-uk/Sun, 25 Oct 2026 08:00:00 +0000Find the UK gas combi boiler lifespan, typical annual service costs, and what affects both to time replacements wisely. https://whatgreenhome.com/does-voc-free-paint-require-voc-free-undercoat/https://whatgreenhome.com/does-voc-free-paint-require-voc-free-undercoat/Sun, 25 Oct 2026 08:00:00 +0000A VOC-free topcoat over solvent primer still off-gasses. Pair the system correctly for cleaner air and a lasting finish. https://whatgreenhome.com/best-heat-pump-for-central-heating/https://whatgreenhome.com/best-heat-pump-for-central-heating/Sun, 25 Oct 2026 08:00:00 +0000Match your heat pump type to UK grant rules, home insulation, radiator size, outdoor space, and installer access for the best switch. https://whatgreenhome.com/openhab-energy-monitor-losing-data-after-reboot/https://whatgreenhome.com/openhab-energy-monitor-losing-data-after-reboot/Fri, 23 Oct 2026 08:00:00 +0000Stop losing kWh history every time openHAB restarts: three quick checks keep your energy data safe. https://whatgreenhome.com/heat-pump-pipe-insulation-for-outside-tubing-in-cold-climate/https://whatgreenhome.com/heat-pump-pipe-insulation-for-outside-tubing-in-cold-climate/Fri, 23 Oct 2026 08:00:00 +0000Find suitable insulation types and thicknesses for outdoor heat pump pipes to prevent freezing in cold UK climates. https://whatgreenhome.com/heat-pump-and-solar-panels-grant/https://whatgreenhome.com/heat-pump-and-solar-panels-grant/Fri, 23 Oct 2026 08:00:00 +0000UK grants for heat pumps and solar: what stacks, what doesn't, and how to claim both without tripping eligibility rules. https://whatgreenhome.com/external-wall-insulation-boards-for-rain-exposed-walls/https://whatgreenhome.com/external-wall-insulation-boards-for-rain-exposed-walls/Fri, 23 Oct 2026 08:00:00 +0000Which insulation boards handle driving rain, what thickness works, and how to keep exposed walls breathable and dry. https://whatgreenhome.com/can-an-air-conditioner-run-directly-from-solar-panels/https://whatgreenhome.com/can-an-air-conditioner-run-directly-from-solar-panels/Fri, 23 Oct 2026 08:00:00 +0000Direct solar to AC rarely works. See what does work without swapping your inverter, and how AC-coupled batteries fit. https://whatgreenhome.com/how-to-clean-external-wall-insulation/https://whatgreenhome.com/how-to-clean-external-wall-insulation/Thu, 22 Oct 2026 08:00:00 +0000Clean external wall insulation with a soft brush and low-pressure water, avoiding jet washers that crack renders and strip protective coatings. https://whatgreenhome.com/does-plywood-contain-formaldehyde-after-sealing/https://whatgreenhome.com/does-plywood-contain-formaldehyde-after-sealing/Thu, 22 Oct 2026 08:00:00 +0000Sealing reduces formaldehyde emissions from plywood by 30-70%, but offgassing continues for months or years depending on grade and ventilation. https://whatgreenhome.com/smart-thermostat-compatible-with-heat-pump-and-immersion/https://whatgreenhome.com/smart-thermostat-compatible-with-heat-pump-and-immersion/Wed, 21 Oct 2026 08:00:00 +0000The specific models that support heat pump and immersion control together, with the wiring requirements and verification steps for UK installations. https://whatgreenhome.com/mvhr-with-heat-pump-sizing-issues/https://whatgreenhome.com/mvhr-with-heat-pump-sizing-issues/Wed, 21 Oct 2026 08:00:00 +0000MVHR airflow and heat recovery efficiency change your heating load by 15-30%. Size the heat pump after you spec the ventilation system. https://whatgreenhome.com/is-mgo-board-fire-rating-reliable-for-internal-linings/https://whatgreenhome.com/is-mgo-board-fire-rating-reliable-for-internal-linings/Wed, 21 Oct 2026 08:00:00 +0000MGO board fire ratings for internal linings, what reduces performance in practice, and how to confirm compliance for UK builds.