Home envelope: insulation types, windows, roof materials, air sealing, and weatherstripping.
Most homes lose a surprising amount of heating and cooling through a handful of spots that builders routinely skip or underinsulate. Targeting these six areas can cut your energy bills by 20 to 30% without touching your HVAC system.
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An uninsulated garage door can make your attached garage 20 to 30 degrees hotter in summer and just as frigid in winter, driving up your heating and cooling bills. A simple DIY insulation kit installed in a single weekend can cut that temperature swing dramatically for under $50.
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Homeowners often waste money insulating the wrong part of their basement first, leaving major heat loss untouched. Understanding whether to insulate your basement walls or ceiling can mean the difference between a 15% and a 30% reduction in heating bills.
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Thin, uninsulated interior walls let sound travel freely between rooms and allow temperature imbalances to persist throughout your home. Adding insulation to interior walls reduces noise transfer by up to 50%, evens out room temperatures, and can trim your overall heating and cooling costs by 5 to 15%.
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Homes built in the 1970s were constructed before modern energy codes existed, leaving them with thin insulation, drafty framing, and outdated systems that cost homeowners hundreds of dollars extra every year. With a strategic series of upgrades, you can close most of that efficiency gap and reach near-new-build performance without a gut renovation.
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