Insulation and Weatherization
Air sealing, insulation and weatherization for New York homes, and the programs that pay for part of it.
Interior Storm Window Panels and the Condensation Question
Adding a panel inside the window makes the original glass colder, not warmer. Which seal is tighter decides whether that matters or ruins the sash.
Insulation and Weatherization8 min read
What an Indoor Air Quality Monitor Measures in a Tight House
A leaky house is ventilated by accident and a tight one is ventilated on purpose. A monitor is how you find out which one you are…
Insulation and Weatherization8 min read
Drill and Fill Insulation for New York Wall Cavities
A row of holes, a hose and a measured quantity of material is the only way into a wall you are not taking apart. How hard…
Insulation and Weatherization9 min read
Insulating Around Knob-and-Tube Wiring in an Older New York Home
Active knob-and-tube cannot be buried in insulation under the code New York enforces. What your four real options are, and why 2026 removed the federal credit…
Insulation and Weatherization6 min read
Windows or Insulation: Where the Money Actually Goes
Air sealing and attic insulation beat window replacement per dollar in almost every New York house. When windows are still the right call, and what 2026…
Insulation and Weatherization6 min read
What a Blower Door Test Tells You About a New York House
CFM50, ACH50, and what the auditor is really looking for while the fan runs - plus the party-wall problem in attached houses and the combustion test…
Insulation and Weatherization6 min read
Why Air Sealing Comes Before the Heat Pump
Sealing the house first changes the size of heat pump you have to buy, and equipment size drives both the install price and the January electric…
Insulation and Weatherization6 min read
Not sure which programmes apply to you?
Eligibility in New York depends on your utility, your roof and whether you buy, finance or subscribe. Put the system size and price an installer quotes you into the estimator and see the rebate and the state credit on one scale.