Guides · 6 guides
Guides for homeowners
Plain-language explanations of heating and cooling, plumbing, and electrical systems, so you know what to look for and what to ask.
HVAC5 min read
Heat pump or furnace and AC: how to compare
What changes in your home when you switch to a heat pump, what drives operating cost, and the questions worth asking before you decide.
Heat pumpsElectrificationRepair or replace
PLUMBING4 min read
Signs your water heater is near the end of its life
Age, rust, water at the base, and running out of hot water are the common warning signs. Here’s what each one means.
Water heatersRepair or replace
ELECTRICAL5 min read
Check your panel before adding a heat pump or EV charger
Heat pumps, EV chargers, induction ranges, and heat pump water heaters all draw on the same panel. Knowing its capacity first helps you plan.
ElectrificationEV chargingHeat pumps
PLUMBING4 min read
Galvanized pipes in older homes: what to know
Many homes built before the 1960s have galvanized steel supply pipes. How to identify them, why they fail, and the options.
Older homesRepair or replace
ELECTRICAL4 min read
Knob-and-tube wiring: risks and options
Common in homes built before the 1940s, knob-and-tube wiring isn’t automatically dangerous, but it has real limits.
Older homesSafety
HVAC4 min read
Heating and cooling an ADU or garage conversion
Extending the main system often isn’t practical for a new living space. Ductless heat pumps are a common alternative.
Heat pumpsADUs
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