Turn off the power, check the wires with a voltage tester, then disconnect and remove the light fixture. Invert the spray foam can and shove the tube up into the gap between the electrical box and the ...

Insulation is essential in keeping your house cool in summer and warm in winter. But because of that passive nature, it’s easy to forget that it’s sitting there, keeping heat from escaping, and needs ...

Your insulation might look fine — but contractors say it's quietly bleeding you dry.