Practical cleaning, upkeep, and energy-saving guides for American homes.
The EPA says duct cleaning has never been shown to prevent health problems, but it helps in specific cases. When it’s worth the money and when a better filter does more.
Every 90 days is the rule of thumb for 1-inch filters, but pets, allergies, and filter thickness change the answer. A practical schedule and how to tell when it’s time.
Your air filter’s size is usually printed on its frame. If not, here’s how to measure, why the label doesn’t match your tape measure, and which thickness to buy.
Weak airflow, warm air, ice on the lines, odd noises, and rising bills are early warnings. What each sign usually means and what you can safely check first.
A good HVAC tune-up is a checklist of cleaning, measurements, and safety checks, not a quick look. What it should include for AC, furnaces, and heat pumps, and what it costs.
An AC tune-up typically costs $65 to $200, and service plans run $150 to $500 a year. What you get for the money, common extra charges, and how to keep costs down.