Ground-source heat pump
Air-source heat pump
Accessories
What is a heat pump
Air stoves
Pellet boilers
Ducted air stoves
Hydro stoves
Accessories
Insert pellet stoves 
Wood stoves 
Wood boilers
Insert wood stoves
Charcoal oven 
Are you thinking of installing aerothermal energy but don’t know how much it costs for your home? Size matters, and in this article we reveal the real prices for houses of 120m², 200m² and apartments of 70m² or 100m². Find out:
- Costs broken down by square meters
- Comparison of basic vs. premium systems
- The trick to save up to 3,000€ in installation costs
Based on official Ecoforest data and real cases, this guide solves your doubts in less than 5 minutes.
Aerothermal Price for a 200m² House: Investment and Long-Term Savings
Price range: 8.500€ – 25.000€
Essential detail:
- Complete refurbishment (underfloor heating + DHW): 22.000-25.000€.
- High temperature radiators: €14,000 (ideal for maintaining existing structures)
- Basic system: From €8,500 with 11 kW monobloc pump
Key fact in Madrid:
Single-family homes are eligible for 40% subsidies thanks to the Sustainable Rehabilitation Plan 2025.
Aerothermal in Small Apartments: Cost for 70m² and 100m²
100m² Flat: Balance between Price and Efficiency
- Average budget: 9.300€ (heating + DHW)
- Low cost option: €7,000 with 6 kW pump and radiators
- Maximum comfort: €15,000 with underfloor heating and intelligent control
Comparison of annual consumption:
| System | Annual cost |
|---|---|
| Aerothermal | 450€ |
| Natural gas | 900€ |
| Electric | 1.300€ |
70m² Apartment: The Most Profitable Solution
From 8.600€ with these configurations:
- Air-water pump + radiators: 8,600-9,500€.
- Fan convectors + WiFi thermostat: 10.000€.
- Complete package with underfloor heating: 12.000€.
Hidden advantage: In communities with central heating, you can reduce your bill by 70% by combining aerothermal energy with individual meters.
Medium Homes: Aerothermal for 120m² in Detail
3 Real Scenarios:
- Express refurbishment (existing radiators): 7.500€.
- Premium installation: €20,000 with underfloor heating and solar back-up battery
- Hybrid solution: €12,000 combining fan heat and pellets
Cost per m²:
| System | Price/m |
|---|---|
| Basic | 83€ |
| With underfloor heating | 128€ |
Factors that Determine the Final Price (Controllable!)
- Pump type: Bibloc (+15% cost) vs. Monobloc
- Inverter technology: Saves 25% in power consumption
- DHW storage: + €2,000 but guarantees unlimited hot water
- Location: In Majadahonda, the climate allows the use of lower power pumps vs. mountainous areas.
Summary Table: Comparison by Square Meters
| Housing | Power | Minimum price | Average price | Amortization |
|---|---|---|---|---|
| 70m² Apartment | 5 kW | 8.600€ | 10.000€ | 3-4 years |
| Apartment 100m². | 7 kW | 9.300€ | 12.000€ | 4-5 years |
| House 120m² (120m²) | 9 kW | 10.000€ | 15.000€ | 5-6 years |
| House 200m² (200m²) | 12 kW | 14.000€ | 20.000€ | 6-7 years |
3 Secrets to Pay Less
- Combine with solar panels: Reduces the pump’s electricity bill by 40%.
- Demand Passivhaus certification: Official installers offer discounts of up to 15%.
- 10-year financing: From €90/month for 200m² homes
Conclusion:
Aerothermal energy is not an expense, it is an investment. In Madrid, where temperatures rarely drop below -5°C, it is the most efficient solution. The first step? Request a free study with Ecoforest certified installers in Majadahonda and discover your exact savings.
Did you know that 68% of users recover their investment ahead of schedule? Your turn!
