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Three causes, three different fixes

When part of your house is consistently colder than the rest, it's tempting to blame the heating system. Sometimes that's right. But more often, the heating system is working as designed — it's just fighting a losing battle against something else.

The diagnosis matters more than the fix. Replacing a heating system when the real problem is a missing batt of insulation in a knee wall won't solve anything. Knowing which cause is driving the discomfort is what makes the difference between money well spent and money wasted.

How a Home Performance Report helps

A report starts with your home's physical characteristics — construction type, insulation levels, window specifications, and heating system — and models where heat is actually being lost. Pair that with a questionnaire about which rooms feel off and when, and the likely cause becomes clear without tearing anything apart.

In many cases, the fix is simpler and cheaper than homeowners expect. Air sealing a handful of bypasses costs a fraction of a new furnace, and it can solve the drafts and temperature swings that made the house uncomfortable in the first place.


If you have rooms that never feel right, a Home Performance Report will tell you why — and what to do about it.

Start the questionnaire →