Santa Barbara Insulation & Spray FoamSanta Barbara Insulation & Spray Foam

Air sealing services in Santa Barbara CA - rooms that stop feeling drafty

Cold drafts by the door, a hot room upstairs or a rising power bill? We check your vents first, then seal the leaks.

Sealed crawl space with white vapor barrier along the floor and walls, beneath exposed joists and silver HVAC ducts.
  • Fully licensed and insured.
  • Free in-person estimates.
  • We reply within 1 business day.

Is air sealing worth doing on my Santa Barbara house?

Air sealing services in Santa Barbara, CA close the gaps around pipes, wiring, can lights and the attic hatch where outside air slips in, so your rooms stop feeling drafty and your furnace stops working against the weather.

Most calls start with a cold floor, a hot room over the garage or a power bill that keeps creeping up. The price moves with how many gaps your house has, how easy they are to reach and whether something like a roof leak or old wiring has to be fixed first, and the schedule turns on those same fixes and on any permit. The estimate gives you a written plan with what has to happen first, the order of the work and your price. If most of your leaks are overhead, our attic air sealing page goes into that space in more detail.

How can you tell your house is leaking air?

  • Drafts with windows shut

    You feel cool air at outlets, baseboards or around the attic hatch even when everything's closed. That usually means air is moving through gaps into the attic or crawl space, and your heater runs longer every winter you leave it.

  • Hot room over the garage

    One room or the whole upstairs runs warmer than the rest of the house. Attic air is often leaking in around lights and wiring holes, and more insulation alone won't fix that while the gaps stay open.

  • Musty smell or damp wood

    You notice a musty smell upstairs or dark staining on the wood in the attic. Moist air coming through leaks can warp framing and feed mold, and that repair only gets bigger the longer it waits.

  • Basement insulation

    For houses where the cold floors and damp air come up from below once the upstairs gaps are closed.

  • Closed-cell foam insulation

    A good fit when ducts run through the attic and you want the leaks sealed and the space insulated in one pass.

How our air sealing service works

We start with safety. Before we close up a single leak, we check that your stove, furnace, water heater and fireplace vent the way they should, because those need air to burn cleanly. Then we look over the attic, and if we find old knob and tube wiring, vermiculite, a bath fan blowing into the attic, a roof leak or flooring laid over the joists, the sealing waits until that's handled. With the way clear, our crew seals around pipes, wires, can lights, the hatch and duct shafts, uses fire-rated materials around flues with room left from anything that can burn, and leaves the eave, ridge and gable vents open so the attic keeps breathing. Last, we sit down with you about fresh air for a house that's now tighter.

Sealing is usually the first half of a bigger job, because insulation works best once air stops pushing through it. If the chill comes up from below, basement insulation picks up where the sealing leaves off. Closed-cell foam insulation, a dense foam that also blocks moisture, seals and insulates at once but costs more, so we save it for attics where the ductwork lives, and everywhere else sealing the gaps and topping up blown-in insulation, loose fill blown through a hose, usually wins.

  • Sealing with caulk and canned foam

    This suits most houses, where the leaks are gaps around pipes, wires, lights and duct shafts. Caulk, canned foam or rigid board cut to fit closes them without paying for material the house doesn't need.

  • Sealing with a fresh air plan

    This suits a house that will end up much tighter, or one with gas or wood-burning appliances. We seal the leaks and plan fans or a balanced ventilation system with you, so fresh air still reaches every room.

  • Sealing before more insulation

    This suits an attic or crawl space that's also short on insulation. Sealing goes first, so the new layer isn't fighting a draft once it's in.

Get an air sealing plan and price for your house

Send the form and we'll reply within one business day to set up a free on-site estimate, with no pressure to book. You can also call (805) 284-9538.

Call (805) 284-9538

Why Santa Barbara homeowners call us for air sealing

  • The owner does your estimate

    I come out for the first look and the estimate myself, our installers do the work, and I come back to walk the finished job with you. You talk to the same person from the plan to the final check, so nothing gets lost between them.

  • Planning jobs in order since 2017

    We started this business in 2017, and I learned the trade working beside installers in attics and crawl spaces. That's why we plan every job in order, so new work never goes over a leak that would have to come back out.

  • We check who issues your permit

    Before we book, we look up whether your address falls under a city, the county or the university, because each handles its own permits. In Santa Barbara, the city's Permit Center gives direction before anyone applies, so that's where we start.

  • Fully licensed and insured

    We're fully licensed and insured, and the work is backed by our satisfaction guarantee. If your job adds insulation, the state licensing board lists the license class for insulation contractors, so you can check anyone you're thinking of hiring.

On this job, the order matters most, so the checks come before the caulk. When you're ready, get in touch and tell us what you're noticing.

What happens after you call about air sealing?

  1. Call or send the form

    Tell us what you're noticing, like drafts, a hot room or a musty smell. We set up a time for me to come see the house.

  2. I look over the house

    I check your vents, the attic and the usual leak spots, and note anything that has to be fixed first. You get a written plan with the order of the work and your price before anything is booked.

  3. We handle permits and booking

    If the job needs a permit, we apply for it, set up the inspections and tell you how the city's review time fits your schedule. Then we book the work so each step lands in the right order.

  4. We seal and walk it together

    Our installers seal the gaps and leave the attic vents open. I come back to walk the finished job with you and answer anything left on your mind.

Common questions

  • What problems does air sealing fix in a house?

    Air sealing fixes drafts, takes strain off your heating and cooling equipment and cuts the waste behind a high power bill. It also keeps out moist air that can warp wood and lead to mold, which matters in attics and crawl spaces that stay damp.

  • Is air sealing safe if I have a gas furnace or fireplace?

    Yes, as long as those appliances are checked before any sealing starts. A furnace, stove or fireplace that gets too little air can give off carbon monoxide, so the venting check is the first step of the job, not an extra.

  • Will my house need more ventilation after air sealing?

    It might, because once the leaks are closed a house can need fans or a system that moves fresh air on purpose. Kitchen and bath fans pull moisture out of those rooms but don't spread fresh air through the house, while balanced systems such as heat-recovery and energy-recovery ventilators bring air in and send it out so the whole house gets it. The idea builders use is "build tight, ventilate right," so it's worth planning both together.

  • Do I need a permit for air sealing in Santa Barbara?

    You might, so ask before work starts. Santa Barbara generally requires a building permit to alter, repair or improve a building, though the city's building official can exempt some minor work, and the Permit Center explains the process, fees and review times. California's energy rules also cover efficiency and indoor air quality when an existing house is altered, so we check which office covers your address and apply when a permit is needed.

  • How much does air sealing cost in Santa Barbara?

    There's no set price, because it comes down to how many gaps your house has and how hard they are to reach. A tight attic, repairs that have to come first, foam instead of caulk and any added ventilation all raise it, while an open attic with a few clear leaks keeps it lower. We give you a written figure after I've seen the house.

  • How do I find where air is leaking into my house?

    The surest way is testing by a certified home energy auditor, who uses a blower door test, a big fan in a doorway that pulls air out so the leaks show, and a thermal camera that picks up cold and warm spots. That points to where sealing does the most good, so you know what the crew will fix before work starts. On a windy day you can also feel for drafts at outlets, baseboards and the attic hatch yourself.

Get an air sealing plan for your house

Call (805) 284-9538, email sales@insulationsantabarbara.com or use the form, and list your gas or wood-burning appliances, where your attic hatch is and any roof leaks or bath fans venting into the attic, so I come out ready.

(805) 284-9538Request a quote