Energy Efficiency Home Improvements
Reviewed by WattCostLab Editorial Team
The best sequence of home energy improvements often starts with understanding loads, air leakage and insulation before sizing new HVAC or solar equipment.
Start with diagnosis
A home energy audit can identify air leakage, insulation gaps and equipment problems before money is committed to major upgrades.
Reduce loads before sizing equipment
Air sealing and insulation can reduce heating and cooling demand, potentially changing the appropriate size of a future heat pump or HVAC system.
Electrification should be planned as a system
Heat pumps, EV charging, electric water heating, batteries and solar can interact with panel capacity and utility tariffs, so coordinated planning can avoid unnecessary upgrades.
Related resources
Educational content only; obtain local quotes and verify technical/code requirements.
WATTCOSTLAB / EXTERNAL EXPLAINER
Watch: 12 practical energy-saving tips
Low-cost operating changes can complement insulation, air sealing and equipment upgrades. This state energy-office video covers practical household actions for reducing energy use and improving comfort.
External educational video by Minnesota Department of Commerce. The video explains the concept; use the WattCostLab tools and inputs on this page for your own rates, location and assumptions. Watch on YouTube.