Numbers that matter here
- Lower U-factor — better insulation against NH cold
- SHGC tuned for your exposure — south glass vs north
- Warm-edge spacers and solid frame options for condensation control
- Air infiltration ratings — drafts kill comfort even if glass looks fine
Install beats brochure
A high-performance unit in a crooked opening without foam and pan flash underperforms a mid-tier unit installed carefully.
We write flash and foam into the scope — especially when walls are open for siding.
Rebates and reality
Utility or tax incentives change year to year. We can help with product specs for applications — we do not promise rebate approval.
Comfort and leak prevention are the primary reasons to replace; incentives are a bonus when they apply.