Performance Bell Spray Foam Insulation
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Home insulation in Bell CA - a house that stays comfortable upstairs and down

Hot upstairs, cold floors or a power bill that keeps climbing? We seal the gaps first, then insulate the attic, floors and crawl space together.

Request an estimate(213) 329-1866
An attic floor is covered in loose white blown-in insulation beneath exposed wooden roof rafters.
  • Licensed and insured.
  • Free on-site estimates.
  • Expect a reply within 1 business day.

Home insulation options for Bell houses

  • Air sealing and blown-in

    After the gaps are closed, we top up the attic with blown-in insulation, loose fill sent through a hose, and for most houses that's the better buy.

  • Spray foam where ducts run

    Spray foam costs more but seals air and insulates in one pass, so it's the one I'd pick when your ductwork lives up in the attic.

What does home insulation in Bell actually fix?

Home insulation in Bell, CA means sealing the air leaks in your house and adding insulation to the attic, floors and crawl space, so the house holds heat in winter, stays cooler in summer and costs less to heat and cool.

Most calls start with a hot upstairs, a drafty room over the garage or floors that never warm up, and the fix is rarely one more layer in one spot. The price moves with how much space there is, how many inches are already up there, whether old material has to come out and how many gaps need sealing. The schedule turns on that same prep, since wet or ruined spots get dealt with before anything new goes in, and I'll give you the price in writing once I've looked it over.

Home insulation, sealing and prep in one plan

I look at the attic, floors and crawl space together and plan the sealing and insulation as one job, so the pieces work together instead of patching one spot at a time.

  • Clear out what's ruined

    Old material that's wet or ruined comes out through insulation removal before anything new goes in, because covering it just buries the problem.

  • Seal the gaps first

    Air sealing comes next, closing the gaps around can lights, pipes and the attic hatch so the new insulation isn't fighting a draft.

  • Fill the attic evenly

    We keep the eave vents open so the attic breathes and carry full depth out to the edges, where rushed jobs go thin.

  • Floors and crawl space

    Under cold floors we do the crawl space insulation and seal the gaps down there too, so the whole house works as one.

Why Bell homeowners call Performance Bell Spray Foam Insulation

I grew up fixing things on a family farm and spent years on insulation crews around Los Angeles before starting this business in Bell in 2020. We're known for doing the prep and sealing first and telling people what their house actually needs.

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  • I come out and look myself

    I come out to look at your attic, floors and crawl space myself, so the person pricing the job is the one who has actually seen your house.

  • Licensed and insured, clean when we leave

    We're licensed and insured, and I want our crew working safe in your attic and leaving your house as clean as we found it.

  • We won't insulate over problems

    Insulation laid over open gaps or a wet floor is money thrown away, so I'd rather tell you a job isn't ready than take your money for it. Your satisfaction, guaranteed.

What happens when you call us about home insulation in Bell?

Every house is different, so we plan the job around what I find in your attic, floors and crawl space, and you know what it takes before anyone starts work.

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or call (213) 329-1866

  1. Call or send the form

    Call (213) 329-1866 or send the form on this page, and we'll set up a time for me to come to your place.

  2. I look the house over

    I come out myself, check the attic, floors and crawl space, and walk you through what I find, what has to be fixed first and what can wait.

  3. Your price in writing

    You get the price in writing, and if you go ahead, our installers do the work and I look it over before we call it done.

A worker in protective coveralls fits yellow fiberglass batts between attic floor joists.

Get a written plan to seal and insulate your Bell house

Tell us your attic's rough square footage and anything you know about the old insulation up there, and we'll get back to you within one business day. The on-site estimate is free and comes with no obligation.

(213) 329-1866

Questions about insulating your house

How much can insulating my house save on energy bills?

On average, adding insulation and sealing air leaks can cut heating and cooling costs by up to 15%, or total energy costs by up to 11%. The biggest savings come when the sealing and the insulation are done together, which is why I plan them as one job.

What does attic insulation cost in the Los Angeles area?

Attic insulation installation in the Los Angeles area usually costs about $1 to $4 per square foot. Where your attic lands depends on what's already up there and what has to happen before new material goes in, and I'll give you your own price in writing after I look.

What happens to my old attic insulation when I add new insulation?

If it's dry and in good shape, it can usually go back down once the gaps are sealed. Old attic insulation is often full of construction debris, plaster scraps or animal droppings, though, and older loose fill may be vermiculite, which can contain asbestos, so the safest move is often to take it out and put in only new.

How do I know my attic insulation is deep enough?

Ask for depth rulers stapled in a few spots across the attic, since a contractor's guide from the Energy Department says loose fill should have them to show it's deep enough and spread evenly. They also let you check how much it settles over the years.

What is a combustion safety test before attic insulation?

It's a check for houses with a furnace or water heater that vents by natural draft, to make sure exhaust isn't being pulled back or spilling into your rooms. A federal checklist for attic sealing and insulation calls for it in those houses and says any safety problem gets fixed before the attic work goes ahead.

Where should my bathroom fan vent after the attic is insulated?

Outside, not into the attic. Guidance for insulating existing attics says a bath fan that vents into the attic has to be vented outdoors, so ask whoever insulates your attic to check where yours goes.

Home insulation in Bell and the cities around it

Bell's building and safety office issues the city's construction permits, and its list names things like new buildings, fences, fireplaces and signs, not insulation, so it doesn't settle whether a job like yours needs one. The city asks you to call (323) 588-6211, extension 2611 to find out, and it says most homeowner projects need its combination permit, which covers single-family home work and other small projects. Permit rules aren't the same in Bell, the other cities and the county areas, so we check with the office for your address before we start, and if your job needs a permit, we handle pulling it.

Energy standards change with place too, because the state energy code splits California into climate zones and sets some of its rules for a house's shell by zone. We're based in Bell and work in the cities around it, and we run into the same hot upstairs rooms and cold floors on jobs in East Los Angeles and Walnut Park.