Practical guide — insulation, solar panels, savings 30-60%, costs 200k-2M DZD.
Energy DZ 2026 context
Subsidized energy. Law 99-09 + 04-09 + APRUE + CDER. National program 2016-2030.Methodology: Kloufi.
Thermal insulation techniques
Roof 3-6k/m². ITE walls 6-12k. Double glazing 15-35k/window. Sol 2.5-5k. F3 complete ~2M DZD.Solar energy PV + thermal
DZ 2500h sun/yr. PV 3kWc: 450-800k. Production 1400-1700 kWh/kWc/yr. Solar water heater 150-300k.Other savings equipment
LED 5-20k. Efficient AC 120-250k. Rainwater 100-300k. Domotics 50-200k.Global budget 3 scenarios
Light 300-500k (20-30% savings). Medium 800k-1.3M (40-50%). Complete 1.8-2.5M (55-70%).Tip: kricar.fr.
DZ aid + subsidies 2026
APRUE solar water heater 30-50%. Bank credits preferential rates. PV national program.10-step procedure
Audit, design, quotes, financing, contracts, works, equipment, finishes, reception, monitoring. Duration 3-6 months.Editorial Q&A
Roof priority. Solar 7-10 year ROI. Savings 30-70%. Cost 300k-2.5M.Frequently Asked Questions
DZ framework?
Law 99-09 + 04-09.
Insulation priority?
Roof 30%, walls 25%, windows 15%.
Solar rentable?
Yes, DZ 2500h sun. ROI 7-10 years.
Savings?
20-70% depending on scope.
F3 cost?
300k-2.5M DZD.
Property value?
+8-15%.
ROI?
5-12 years.
Aids?
APRUE + bank credits.