How do I do a DIY home energy audit using a smartphone thermal camera?
You can perform a DIY home energy audit by attaching a thermal camera to your smartphone, scanning interior walls, ceilings, and floors…
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Energy Efficiency
Practical, step-by-step fixes for energy efficiency problems — 20 published so far.
How do I find and seal hidden air leaks in my house without professional equipment?
You can locate hidden air leaks by moving a lit incense stick along baseboards, outlets, and window frames on a breezy day…
See the fixHow do I seal air leaks around recessed can lights in my ceiling?
Seal recessed can light leaks by installing airtight baffles or covers rated for IC contact, then caulk the fixture-to-drywall gap and add…
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Why does my energy-efficient appliance still use a lot of power?
Your energy-efficient appliance still uses a lot of power because efficiency ratings measure average use, not peak draw, and things like old…
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Why does my heat pump run auxiliary heat when it's not that cold outside?
Your heat pump uses auxiliary heat when the outdoor temperature drops below its balance point or when the thermostat calls for rapid…
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Why does my heat pump run constantly even when it's not that cold outside?
Your heat pump runs constantly because it's struggling to meet the thermostat setpoint — common causes include a dirty outdoor coil, low…
See the fixWhy does my heat pump run nonstop when it's only 50°F outside?
Your heat pump runs constantly because it struggles to pull enough heat from cool outdoor air, so it switches to backup electric…
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Why does my house feel drafty even with all the windows and doors closed?
Drafts usually come from hidden air leaks — gaps around baseboards, electrical outlets, attic hatches, fireplace dampers, and spots where pipes or…
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Why does my smart thermostat not save energy as advertised?
Your smart thermostat may not save energy because it's poorly programmed, placed in a bad location, or your HVAC system has underlying…
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Why is my heat pump blowing cold air when it's freezing outside
Your heat pump blows cold air in freezing temps because it enters defrost mode or can't extract enough heat; check the outdoor…
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Why is my heat pump running constantly even in mild weather?
Your heat pump runs constantly because it's struggling to maintain temperature due to low refrigerant, a dirty outdoor coil, incorrect thermostat settings,…
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Why is my heat pump running constantly even when it's not that cold?
A heat pump that runs nonstop in mild weather usually means the system can't meet the thermostat setpoint due to low refrigerant,…
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