
Ductwork
In a Houston attic the ducts sit in the hottest air in the house. Leaks and crushed runs are why one room never cools.

North Houston, Texas
Tell us what the system is doing and where the house is. We pass it to one independent, Texas-licensed HVAC contractor working in your part of north Houston, and he contacts you directly.

Why it matters
A Houston system runs over three thousand hours a year.
That is why it lasts ten to fifteen years here, not twenty.
And why the one who fixed it in May is the one you want in August.
AC problems
What each one feels like in the house, what usually causes it in a Houston system, and what a proper fix involves.

Whatever it is doing, from a hum and no air to a system that quit outright.
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Running, blowing, and the house is still 80. The usual causes, in order.
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No cooling in July with somebody elderly, ill or very young in the house is not a tomorrow job.
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When the system is past fixing, what a new one involves and what to insist on.
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What a real tune-up includes, and why a Houston system needs one before the heat arrives.
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The two or three cold weeks a year, when the heat side you never think about has to work.
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For the room the central system never reaches, the garage, the workshop or the addition.
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In a Houston attic the ducts carry the cold air through the hottest space in the house.
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When the system is fine and the thing on the wall is the problem.
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Low on gas is never the diagnosis. It is the symptom, and the leak is the job.
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The small electrical parts that fail first, and the one check that tells you which.
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Cool but clammy, musty when it starts, or dust that never goes: the air side of the system.
Read moreWhere it fails
Run across them. Each one opens.

In a Houston attic the ducts sit in the hottest air in the house. Leaks and crushed runs are why one room never cools.

A slow leak shows up as a system that works, just not well enough. Topping it up without finding the leak is paying twice.

Three thousand cooling hours a year, humidity that never leaves, and a condenser in full sun. Everything wears faster.

How it works
Where
Each town is different. A 1980s Kingwood attic is not a new build in Porter, and the systems fail differently.
Subdivisions from the seventies to the nineties, so a lot of systems on their second or third replacement, with attic air handlers and original ductwork.
Big two-storey houses from the eighties under full tree cover, with upstairs that runs hot and air handlers in attics that reach 140.
Fast-growing Montgomery County, with builder-grade systems in the new subdivisions and older country houses on their original equipment.
New construction along 59 beside acreage in the pines, with long power runs and surge damage after every storm.
Rural lots, manufactured homes and older houses, where package units and window units are as common as central systems.
East Harris County, older subdivisions near the lake, open land and salt air, which eats condenser coils faster than anywhere inland.
Liberty County, country HVAC: heat pumps on propane-free properties, long drives for the technician, and nobody local to call.
The biggest HVAC market north of Houston: large houses, often two or three systems each, and covenants on where an outdoor unit can sit.
Straight answers
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