Style of Improvements: ECO4 tends to concentration additional on elementary enhancements like insulation and heating devices. In distinction, ECO+ may incorporate a broader range of energy-saving actions. Eligibility for an ECO4 grant is set by variables including revenue, assets kind, and existing energy efficiency steps. Use our free grant checker https://www.reddit.com/r/Greenhomesgrant/comments/1lf1gqg/make_your_home_energyefficient_with_smart/