Home Systems
Explore expert guides on home HVAC, plumbing, electrical, and smart technology. Upgrade and maintain your essential home systems
Install a Smart Thermostat Without Frying Your HVAC Board
A safe smart thermostat installation walkthrough: killing power, photographing and labeling wires, handling the C-wire question, and commissioning without HVAC damage.
Fix a Running Toilet for Good in One Hour
A step-by-step guide to diagnosing and fixing a running toilet: dye-testing the flapper, replacing the fill valve, and knowing when the flush valve seat is the culprit.
Replace Worn Outlets and Add GFCI Protection Safely
A careful guide to replacing worn receptacles and adding GFCI outlets where code requires: breaker off, testing twice, line vs. load, and when to call an electrician.
Install an Under-Sink Water Filter With Its Own Faucet
A step-by-step guide to installing an under-sink water filter: tee adapter on the cold supply, drilling for a dedicated faucet, tubing, flushing, and cartridge schedule.
Flush a Water Heater and Check the Anode Rod
A step-by-step guide to flushing sediment from a tank water heater, inspecting and replacing the anode rod, and upgrading the drain to a ball valve.
Fix Hot and Cold Rooms With Filters, Registers, and Dampers
A step-by-step guide to balancing a forced-air system: a filter that does not choke airflow, trunk dampers, register tuning, and fixing return-air paths.
Seal and Insulate Your Ducts for Rooms That Finally Heat
A step-by-step guide to sealing accessible ductwork with mastic, fixing leaky boots and takeoffs, insulating runs, and measuring the results at the register.