Blog
Guides from Climaxx Heating & Cooling
Straight answers to the questions we hear most, written for our own customers.
October 16, 2026 · 4 min read
Dry Winter Air and Cold Floors: Humidifiers and Radiant Heat for Chicagoland Homes
Two upgrades aimed at the same complaint: a house that is warm on the thermostat but not on your skin or your feet.
October 16, 2026 · 4 min read
No Heat at Night: What to Check Before You Call, and When to Call Right Away
A few safe checks can save you a trip. A few situations mean you stop checking and get help.
October 16, 2026 · 4 min read
Is Your Old Boiler Worth Keeping? Reading Efficiency by Age
Boilers can run for decades, but efficiency slips with age. Here is how to read where yours stands.
October 16, 2026 · 4 min read
AFUE Explained: 80% vs 95% Furnaces and When the Upgrade Makes Sense
Think of AFUE as the share of every dollar of gas that ends up warming your house instead of going up the flue.
October 16, 2026 · 4 min read
What SEER Actually Means When You Replace an AC in the Southwest Suburbs
A plain-English look at the efficiency number on the sticker, and how much of it your house will ever use.