Even that could run you near 2,000$ on a modest new home ignoring the rebate. But my point was more that price savings are easy to slip into the new constructi

Even that could run you near 2,000$ on a modest new home ignoring the rebate. But my point was more that price savings are easy to slip into the new construction pipeline for a wide range of homes. Similarly Argon helps r with insulation on day 1, but only lasts ~20 years on a window that may be in use for 100.