Transform vague wishes into targets you can actually track. Define comfort with temperature and humidity ranges, aim for lower energy use intensity, and set indoor air quality thresholds. Decide acceptable payback periods, carbon reductions, and maintenance expectations. Record a starting point, choose milestones, and align every product choice with those goals. You will make faster decisions, avoid greenwashing claims, and stay focused when construction surprises appear.
A quick walk‑through won’t reveal hidden energy leaks or stale air pockets. Gather utility data, commission a blower door test, and scan with infrared to find thermal bridges. Spot-check CO2 and VOCs to understand ventilation and material impacts. One family discovered an attic bypass the size of a shoebox; sealing it dropped drafts dramatically. Baseline testing makes invisible problems visible, guiding precise upgrades instead of guesswork.
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