Resources
HVAC guides, written for homeowners
What's actually wrong, what it usually costs, and what you can check before calling anyone.
Practical answers to the questions Chicagoland homeowners actually ask us. No fluff, no sales pitch — if the answer is “check your filter first,” that’s what it'll say.
Why Is My AC Running But Not Cooling?Four causes explain almost all of them. Two you can check yourself in ten minutes.How Often Should a Furnace Be Serviced?Once a year, in the fall. Here's what should actually happen during that visit.Repair or Replace Your Air Conditioner?It's mostly arithmetic. Here's the arithmetic, so you can run it yourself.Why Is One Room Hotter Than the Others?It's almost never the furnace. It's almost always distribution.
Content roadmap
Four articles are live. The structure supports more — suggested next topics, each answering a real search: What causes a furnace to short cycle?, How long does an HVAC system last in Illinois?, Heat pump vs. furnace in Chicagoland, What HVAC maintenance should homeowners do themselves?, and How Chicago winters affect HVAC systems. Add them as dicts to ARTICLES in build.py.