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A home battery storage setup.

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Amid Houston outages, a home battery kept the AC on and trimmed summer power costs

A solar inverter on a wall.

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UK homeowner questions $16,000 battery for all-electric home, EV, and heat pump

A water heater.

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Strange sounds from an aging water heater may also reveal a chance to lower utility bills

A mini-split on a wall.

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DIY mini-split setup came in under $1,000, prompting one big question about its lifespan

An unfinished attic with exposed ductwork.

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Hot attic air could be sabotaging your AC before cool air ever reaches your upstairs

A person using a wrench to repair an air conditioning unit.

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Why one homeowner's AC works at 78, then stops cooling when the thermostat goes lower

An outdoor HVAC unit.

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Philadelphia homeowner gets no-cost fix after mini-split unit overwhelms tiny backyard

A steel vent on a rooftop.

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Homeowner's plan to vent a sweltering attic reveals a common cooling mistake

A person adjusting a thermostat.

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Renter pushes back after apartment complex says changing thermostat settings could harm AC

A home with rooftop solar.

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California homeowner is paying $400 a month for solar that was never interconnected

Installing rooftop solar.

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Ohio homeowner asks experts about rare solar deal with a 5-year path to ownership

A smart thermostat displaying a temperature of 74 degrees Fahrenheit on a wall.

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California homeowner uses a simple AC timing shift to make a solar battery last until morning