Straight answers about air duct cleaning, dryer vent safety, and keeping your Houston home's air clean — from the technicians who see inside ductwork every day.
Houston's long AC season and Gulf Coast humidity mean our ductwork works harder than almost anywhere in the country. Here's how often you should really clean your air ducts — and the warning signs you're overdue.
June 15, 2026 · Houston Air Pure Team
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A musty smell every time the AC starts is the classic sign. Here's how mold actually gets established inside Houston ductwork, how to tell mold from ordinary dust, and what a legitimate removal job looks like.
June 29, 2026 · Houston Air Pure Team
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Nobody publishes real prices, so here they are: what Houston duct cleaning actually costs by home size and system count, which factors move the number, and how to read a quote so you don't get burned.
May 18, 2026 · Houston Air Pure Team
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We've re-cleaned hundreds of Houston homes behind coupon crews. Here's the actual script — the bait, the fake mold discovery, the pressure close — and the five questions that end the call.
April 14, 2026 · Houston Air Pure Team
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Lint fires kill people in ordinary houses with ordinary dryers. The warning signs show up weeks or months first — here are the six that matter, ranked by urgency, plus the Houston construction quirk that makes them worse.
March 9, 2026 · Houston Air Pure Team
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A Houston fireplace spends nine months as a decoration and then gets lit the night a cold front hits. Here's what we find inside chimneys every fall — creosote, nests, cracked flue tiles, rusted-out chase covers — and when to book so you're not on a three-week waitlist.
February 2, 2026 · Houston Air Pure Team
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Houston ranks among the worst U.S. cities for allergies, and for some people the symptoms are worse on the couch than in the yard. Here's how ductwork turns into an allergen reservoir, an honest look at when cleaning helps — and when it won't.
January 12, 2026 · Houston Air Pure Team
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Every spring we get the same call: the fireplace smells like a wet ashtray for two days after a storm. It's almost never a dirty flue — it's water coming in through one of five predictable places, and each one gets worse the longer it's ignored.
August 23, 2026 · Houston Air Pure Team
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Scratching at dawn, chirping that sounds like it's inside the wall, or a smell that arrived without a fire. Houston chimneys host more wildlife than most homeowners realize — and one of the most common tenants is federally protected.
August 23, 2026 · Houston Air Pure Team
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You inherit more than a house at closing. You inherit whatever the last family's HVAC system has been circulating for a decade. Six checks worth doing in the first month, in the order that matters.
August 23, 2026 · Houston Air Pure Team
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Most fireplaces in Houston have never burned a log. Gas changes what a chimney needs — but it does not remove the need. Here is what actually matters on a gas-log flue, and the failures we find most.
August 23, 2026 · Houston Air Pure Team
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If your laundry room is upstairs, your dryer vent probably runs through the attic and exits through the roof. That is the hardest configuration to keep clear — and the one most likely to have never been cleaned.
August 23, 2026 · Houston Air Pure Team
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An open damper is an uncapped hole between your air-conditioned living room and a 140-degree chimney. Most Houston homeowners have no idea which position theirs is in right now.
August 23, 2026 · Houston Air Pure Team
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