A house with solar panels on the roof and a brick wall topped with a hedge.
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'It still amazes me': Solar owner says electricity hit $0 for 6 months, including heating

A fabric doorstop rests against a closed door on a wooden floor.
  • Home Home

Renter's winter electric bills hit $500 in 325 square feet: 'I want to do all that I can now to avoid that happening again'

An air conditioning unit mounted on a wooden wall with greenery in the background.
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UK cabin builder weighs split heat pump, learns simpler hot-water tank may be smarter

COOL BRANDS & LEADERS

A solar panel with red and black wires on a table in a garden setting.
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DIY solar skeptic skips $30,000 contract, builds battery-first system for just over $8,000

A heat pump water heater system.
  • Home Home

Rare 120V heat pump water heaters are becoming a workaround for costly panel upgrades

A person connects a battery power station to an electrical outlet on a wall.
  • Home Home

Homeowner says power tool batteries doubled as blackout backups for fans, lights, and phones

Cool Divider

LATEST HOME

Apartments in California.
  • Home Home

California city weighs 82-degree limit for rentals as nearly 5,800 homes lack AC

Scaffolding with red and yellow safety barriers around a roof with solar panels under construction.
  • Home Home

UK homeowner beats scaffolding deadline by 8 hours to get 15 solar panels onto new roof

A hot water tank.
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Homeowner asks Reddit for water heater tips, then spends 3 days swapping it, sells copper for $60

A gap between windows.
  • Home Home

Homebuyer sees daylight between windows, and commenters say it's a flipped-house red flag

Aerial view of beachside cottages surrounded by greenery and a sandy shoreline.
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Bahamas outage sends family hunting for generator fuel to keep aunt's electric bed running

A window AC unit with potted plants.
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New York family earned $150 running window AC through a heat dome on plug-in batteries

A group of small mammals with brown fur clustered together.
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Oregon police tow 2 parked cars, then uncover 100-plus pet rats and 18 newborns

An opossum forages on green grass.
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Texas homeowner finds huge hole under house, then night camera catches opossum carrying 10 babies

A person with a tool belt hands an invoice to another person in an indoor setting.
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'Call a real HVAC company': Georgia homeowner says AC ran 14 hours a day after leak fix

Solar panels installed on the roof of a residential building.
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UK homeowner questions whether new solar and battery install could impact home insurance

A man stands next to several water heaters in a store setting.
  • Home Home

Homeowner comparing water heater bids learns brand matters less than model and where it's sold

A generator.
  • Home Home

Generator sat for 5 years with gas in the tank, then started right up after fresh fuel

A thermostat set to 62 F.
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Homeowner complains of new heat pump freezing up, but target AC temp of 62 may be to blame

A mini-split unit.
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Homeowner tries to run wall AC on portable power station, then learns the mini-split is hard-wired

A wooden pergola.
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Delaware homeowner asks about adding deck panels, and solar installer says it won't pay off

A balcony with solar panels and plants in the background.
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DIYer asks if balcony solar batteries can keep a 1,200-watt plug-in system running 24/7

An outdoor air conditioning unit covered in ice and snow next to a brick wall.
  • Home Home

Northeast generator owner eyes A-frame snow fix, but clearance rules, wind raise doubts

An air conditioning unit with a logo and a small insect on the grill.
  • Home Home

Homeowner spots bent new heat pump after install, and HVAC pros say flag it before paying

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