Using the demonstration version of the Home Energy Score to model potential upgrades…
🏡 Case Study: Boosting Home Energy Score from 4 to 9 in St. Paul, MN
A 1954 split-level home in St. Paul is about to get a major energy efficiency makeover—and the results are impressive. The homeowner used the U.S. Department of Energy's Home Energy Score Tool to model targeted improvements that will nearly double their energy performance score, while saving hundreds annually on energy bills.
📊 Before & After Snapshot
🏠 Current Home Energy Score: 4/10
📈 Modeled Score After Upgrades: 9/10
$766
💸 Estimated Annual Energy Savings:
$766
📐 Conditioned Floor Area: 1,525 ft²
🔧 Planned Upgrades
Each upgrade was selected for its energy-saving impact and cost-effectiveness:
→ 💵 Estimated savings: $269
/
year
Increase attic insulation to R-60
→ 💵 Estimated savings: $269
/
year
→ 💵 Estimated savings: $179
/
year
Insulate basement walls to R-19
→ 💵 Estimated savings: $179
/
year
→ 💵 Estimated savings: $57
/
year
Seal air leaks throughout the home
→ 💵 Estimated savings: $57
/
year
→ 💵 Estimated savings: $41
/
year
Insulate the floor above unconditioned space
→ 💵 Estimated savings: $41
/
year
→ 💵 Estimated savings: $220
/
year
Replace aging gas furnace with an ENERGY STAR® certified heat pump
→ 💵 Estimated savings: $220
/
year
→ ⚡ Fully electric system ready for grid decarbonization
These upgrades target both thermal envelope improvements and a transition away from fossil fuel heating, aligning with best practices in home decarbonization.