Why is my electric bill high even when devices are turned off?
Many devices still draw power when switched off — called phantom load — because they stay in standby mode, have clocks, or…
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Energy Efficiency
Practical, step-by-step fixes for energy efficiency problems — 50 published so far.
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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Why is my heat pump using more electricity than last winter?
Your heat pump likely uses more electricity because colder outdoor temperatures force it to run longer and activate energy-intensive defrost cycles, while…
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Why is my house drafty even with the windows and doors closed
Your house feels drafty because air is leaking through hidden gaps around baseboards, electrical outlets, attic hatches, and window frames — not…
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Why is my house drafty even with windows and doors closed?
Your house feels drafty because air leaks exist around recessed lights, attic hatches, plumbing penetrations, electrical outlets, and ductwork — not just…
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Why is my house still drafty after installing new energy-efficient windows?
New windows alone don't stop drafts if the installation gaps, old weatherstripping, or unsealed trim leak air. Drafts often come from poorly…
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Why is my house still drafty after replacing weatherstripping?
Your house stays drafty because weatherstripping only seals movable joints; air still leaks through fixed gaps around window frames, baseboards, electrical outlets,…
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Why is my house still drafty after replacing windows and adding weatherstripping
Your house may still feel drafty because air leaks remain in less obvious spots like attic hatches, recessed lights, plumbing penetrations, and…
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Why is my smart thermostat not lowering my heating bill?
Your smart thermostat may not save energy if it's programmed incorrectly, placed in a bad location, or if your home has significant…
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Why is my smart thermostat not saving as much energy as advertised?
Your smart thermostat may not save energy because it's poorly programmed, your home has air leaks, or the HVAC system is oversized.…
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