| Cost | Savings | Action | Incentive Programs & Other Resources |
| Free! | $ | Take shorter showers | |
| $ | $$ | Install a shower timer (DIY) / low flow showerhead (DIY) | Showerhead free with a MassSave assessment |
| $$$ | $$$ | Upgrade the water heating system (info) | MassSave rebates up to $1,200 |