Calculadora de Ahorros de Energía en el Hogar

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Entendiendo el Ahorro de Energía en el Hogar

☀️ Solar Panel Systems

How Solar Saves Money

System Sizing

System Degradation

🔋 Battery Storage

When Battery Makes Sense

Battery Economics

🌡️ Heat Pumps

How Heat Pumps Save Money

Heat Pump Types

💰 Federal Tax Credits (2024-2025)

Solar + Battery

Heat Pump

⚡ System Synergies: Solar + Heat Pump

🗺️ Regional Considerations

Sun Hours by Region

Heat Pump by Climate

Solar panels, battery storage, and heat pumps are the three most impactful home energy upgrades you can make in 2024-2025. With 30% federal tax credits and rising electricity costs, typical payback periods have dropped to 6-12 years, followed by 15-20 years of essentially free energy.

{/* Solar Panel Systems */}

Solar panels generate electricity from sunlight, offsetting your utility bill. A typical 6 kW system produces 7,000-10,000 kWh per year, enough to cover 70-100% of an average home's electricity needs.

Average costs (2024-2025):

  • $2.50-$3.50 per watt installed
  • 6 kW system: $15,000-$21,000 before incentives
  • After 30% federal tax credit: $10,500-$14,700
  • Payback period: 6-10 years
  • 25-year savings: $30,000-$60,000

Your ideal system size depends on your annual electricity usage and available roof space:

Small (3-5 kW)
40-60% offset, good for limited roof space or partial offset
Medium (6-8 kW) ⭐
70-100% offset, most popular for average homes
Large (9-15 kW)
100%+ offset, ideal for electric heating or future EV charging

Solar panels lose about 0.5% efficiency per year. After 25 years, panels still operate at 88-90% of original capacity. Most manufacturers warranty 80-85% output at 25 years.

{/* Battery Storage */}

Battery storage adds $10,000-$15,000 to system cost but provides valuable benefits:

Time-of-use arbitrage
Charge during off-peak hours (7-10pm), discharge during peak (4-9pm)
Backup power
Keep critical loads running during outages
Grid independence
Reduce reliance on utility, especially valuable in areas with frequent outages
Solar optimization
Store excess solar generation instead of selling back to grid at low rates

Battery payback is slower than solar alone (adds 3-5 years to payback period) but increasingly valuable in:

  • States with time-of-use rates (CA, AZ, NV, TX)
  • Areas with unreliable grids (frequent outages)
  • Regions phasing out net metering (reduced solar buyback rates)
{/* Heat Pumps */}

Heat pumps are 2-4x more efficient than traditional heating systems. Instead of burning fuel to create heat, they move heat from outside air (or ground) into your home.

Efficiency comparison:

Gas furnace: 80-95% efficient (burn 100 therms, get 80-95 therms of heat)
Electric resistance: 100% efficient but expensive ($1.40/therm equivalent)
Air-source heat pump: 250-350% efficient ✓ (COP 2.5-3.5 = deliver 2.5-3.5x energy input)
Ground-source (geothermal): 350-450% efficient ✓✓ (COP 3.5-4.5)
Air-Source Heat Pumps
  • Cost: $4,000-$8,000 installed
  • Best for: Moderate climates, replacing gas/oil/propane heat
  • Cold weather: Modern cold-climate models work down to -15°F
  • Payback: 5-10 years vs. gas, 2-4 years vs. electric resistance
Ground-Source (Geothermal)
  • Cost: $15,000-$30,000 installed
  • Best for: Long-term ownership, extreme climates, new construction
  • Efficiency: 30-50% better than air-source
  • Payback: 10-20 years, but superior long-term savings
{/* Federal Tax Credits */}
Residential Clean Energy Credit
  • 30% credit through 2032
  • 26% in 2033, 22% in 2034
  • Applies to solar panels, battery storage (if paired with solar), installation
  • No maximum limit
  • Can be carried forward if credit exceeds tax liability
Energy Efficient Home Improvement Credit
  • Air-source: 30% credit, max $2,000
  • Ground-source: 30% credit, max $10,000
  • Annual limits apply (can only claim once per year)
{/* System Synergies */}

Combining solar and heat pump creates powerful synergies:

☀️ Offset heat pump electricity
Solar panels generate power during the day, offsetting heat pump use
⚡ Electrify everything
Replace gas heating, water heater, dryer - then power all with solar
🚗 Future-proof
Prepares for electric vehicle charging, electric cooking, fully electric home
💵 Maximum savings
Typical savings of $2,000-4,000/year vs. gas heat + grid electricity
{/* Regional Considerations */}
Southwest (AZ, NM, NV) 5.5+ peak sun hours - EXCELLENT
West (CA, OR, WA) 5.0 peak sun hours - GREAT
Southeast (FL, GA, NC) 4.5 peak sun hours - GOOD
Midwest (IL, MI, OH) 4.0 peak sun hours - DECENT
Northeast (NY, MA, VT) 3.5 peak sun hours - FAIR (but high electricity rates help ROI)
❄️ Cold climates
Choose cold-climate air-source or geothermal (modern units work to -15°F)
🌤️ Moderate climates
Standard air-source works great year-round
☀️ Hot climates
Heat pump provides both heating + cooling (replaces AC too)

Preguntas Frecuentes

Preguntas comunes sobre Calculadora de Ahorros de Energía en el Hogar

La mayoría de las casas ven un retorno de la inversión de 6–10 años después del crédito fiscal federal del 30%, dependiendo del precio del sistema, la exposición al sol y las tarifas de electricidad. A lo largo de 25 años, los ahorros de por vida comúnmente oscilan entre 0,000–0,000.

Sources & References

Energy Consumption Data

U.S. Energy Information Administration data on residential energy use. Average household spends $2,200-2,500 annually on energy, with heating/cooling representing 50-70% of usage.

Energy Efficiency Savings

Based on ENERGY STAR, Department of Energy, and EPA data on efficiency improvements. Savings vary by climate, current efficiency, energy costs, and usage patterns.

Disclaimer

This calculator provides estimated savings based on typical usage patterns and average energy costs. Actual savings vary by climate, home size, current efficiency, energy rates, and occupant behavior. Consider professional energy audits for personalized recommendations.