Air Sealing and Insulation

Replacement window installation air leaks usually come from the joint around the frame, not the glass. Find the spot and who should fix it.

Single pane windows energy options for an old house: repair, storm windows, inserts and shades, and the right order to do them in.

Fogged double pane window repair explained: when to defog, replace just the glass, or replace the window, and what to check before you pay anyone.

Is a garage door insulation kit worth it? See when a kit helps, when it does nothing for your house, and the spring balance check to do before and after.

Exterior door not sealing? Adjust hinges, strike plate and threshold in the right order and stop the draft before you buy new weatherstripping.

How to replace door weatherstripping, corner pads and the sweep: find the leaking part, buy the matching profile, and stop the draft.

Storm windows vs replacement windows: a plain decision guide based on the condition of the window you already have, with ENERGY STAR and NPS sources.

Read the NFRC label U-factor and SHGC in a minute, see which number matters for your ENERGY STAR climate zone, and skip the window sales pitch.

Replace or repair windows? Energy choices in order: fix the parts, add a storm window, swap the glass or replace the unit, and why the attic comes first.

Old house energy efficiency starts with safety: knob and tube, vermiculite, lead paint and gas appliances first, then the hidden leaks older homes share.

Home energy audit tools for a first DIY pass: the few worth buying, the thermal camera to borrow, the pro gear to leave to a tester, and what to skip.

A thermal bridging house has cold stripes on walls where studs sit. See why, and the sealing and insulating order that actually helps.