Crawl space insulation in San Angelo TX - warmer floors without trapping moisture below
Cold floors and a power bill that keeps climbing? We insulate the crawl space walls or the floor above, whichever your house actually needs.
- Licensed and fully insured.
- Free in-person estimates.
- Replies within 1 business day.
Why are the floors over your crawl space so cold?
Crawl space insulation in San Angelo puts batts, spray foam or a mix of the two either in the floor above your crawl space or along its walls, so the air under the house stops pulling heat out of the rooms you live in.
Most calls start with cold floors in winter, a drafty room that never feels right or a power bill that creeps up, and the crawl space is the part of the house nobody wants to look at. The price moves with the size of the space, whether we're insulating the walls or the floor, foam or batts, and anything that has to come out first, like soggy or fallen insulation that needs insulation removal. The schedule mostly turns on what's down there, because old pipe wraps or a furnace or water heater under the floor change the order of the work. The estimate is where you get your own number, usually with a straight answer before I leave.
How we do crawl space insulation
First I'll tell you whether we're insulating the crawl space walls or the floor above and why, because those are two different jobs that protect different parts of your house. Before anything goes in, we look at what's already down there: wet or fallen insulation, wraps on old pipes and ducts, and any furnace or water heater, since those decide what has to happen first. We don't just seal up the vents, especially with fuel-burning equipment below, unless there's a fuller plan for moisture and safety. Then our crew seals the gaps, puts in the insulation and cleans up after itself.
A crawl space is only one way heat leaves a house. If air is still leaking through gaps in the rooms above, we often pair this job with air sealing, which closes those gaps so the new insulation isn't fighting a draft. If the rooms over the crawl space still run hot or cold through the outside walls, wall insulation is the next place I'd look.
Insulating the floor above
This suits a crawl space that stays vented and has no ductwork or water lines you need to keep warm, because the insulation goes up under your floor and leaves the cold below it. It's usually the simpler of the two jobs, and it keeps the crawl space itself outside the house.
Insulating the crawl space walls
This suits a crawl space with ducts, pipes or a furnace down there, because sealing and insulating the walls brings that whole space inside the house instead of leaving it out in the cold. It's a bigger plan, since closing the space up means handling moisture and any fuel-burning equipment first.
Crawl space insulation in San Angelo: permits and what we find under the floor
In San Angelo, the city's Building Permits & Inspections office handles permits, and the city requires an issued electrical permit before any electric work, which matters if your plan touches wiring under the house. That electrical rule is the one the city spells out, so for the insulation itself I ask the office before each job instead of guessing. If you'd like to check for yourself, the office is on the first floor of the Community Development Building at 52 W. College Ave., and the number is 325-657-4210.
Across San Angelo and the cities around it, a lot of the crawl spaces we open belong to older houses, so we expect torn-down batts, open holes where plumbing and wiring pass through the floor, and old wraps on pipes and ducts. We plan for all of that before anyone quotes a number.
Why San Angelo homeowners call J&M San Angelo Insulation Services for crawl space work
The owner writes every estimate
I come out and look under the floor myself and write the estimate, and our own crew does the install. The person pricing your job is the one who actually saw your crawl space.
In business since 2013
I learned this trade crawling through attics with my dad and started the business in 2013, so we're 13 years in. I'd rather talk you out of a job your house doesn't need than sell it to you.
Permits sorted with the city
We check with San Angelo's permit office on each job and take care of any permit it calls for. You don't have to chase it or wonder whether you needed one.
Licensed and fully insured on crawl jobs
We're licensed and fully insured, which counts when people are working in a tight space around your wiring, pipes and gas lines. Ask about it at the estimate and you'll get a straight answer.
What matters most under a house is the order of the work, with moisture and safety handled before any insulation goes in. Tell us about your crawl space and I'll come take a look.
Request a quoteGet a free crawl space estimate, walls or floor sorted out
Send the form and we'll get back to you within one business day to set a time. I'll come out, look under the house and give you a free estimate in person, usually with a clear answer before I leave. There's no pressure to book.
What happens after you call about your crawl space?
Call or send the form
Call (325) 285-1301 or use the form, and we'll set a time that works for you. Mention any furnace or water heater under the house so I come ready for it.
I look under the house
I check the pipes, ducts, vents and any old insulation, then tell you whether we'd insulate the walls or the floor and what it will cost for your house. If old wraps need an abatement firm first, you hear that now, not halfway through.
Prep, install, then walkthrough
Once you say go, our crew does the prep and safety checks first, then the install. When it's done, I go over the finished job with you so you can see what went in.
Frequently asked questions
How do I decide between insulating my crawl space walls or the floor above?
Usually the walls, because federal energy guidance calls sealing and insulating the crawl space walls the best practice in any climate, though in some houses the floor above works better as the line between inside and out. Insulating the floor puts the insulation right against the air barrier under your rooms, so it can go in deep. I'll tell you which one fits your house and why before you decide.
Can I just close my crawl space vents?
No, sealing the vents by themselves can make things worse by raising moisture under the house. If a furnace or water heater that burns fuel and vents naturally sits down there, closing the space can also create a deadly situation. Vent sealing belongs inside a fuller plan for moisture and safety, and that's how we price it.
What happens if old pipes in my crawl space have wrapped insulation?
Old crawl spaces might have asbestos-based wraps on pipes and ducts, and if they're found, a certified asbestos abatement firm has to inspect them and decide how they're handled. On older houses we plan for that step first and start our work after it's settled, so nobody stirs it up.
How much does crawl space insulation cost in San Angelo?
Insulating a crawl space across the US usually costs about $3 to $6 per square foot, and that's a national range for the work, not our price. Where your job lands depends on what I find down there, and the in-person estimate gives you your own number before you commit to anything.
What is the best way to insulate a floor over a crawl space?
Seal the holes around plumbing and wiring in the subfloor first, then fit batts tight between the floor joists with no gaps, squashed spots or voids, held firmly against the subfloor. The rim joist, the band of framing around the edge, is a key step, usually done with rigid foam or spray foam. Skip the sealing or the rim and the insulation ends up fighting a draft.
Can I leave crawl space insulation exposed?
Yes, if it's fire-rated material, which is what gets used when crawl space insulation will be left uncovered. That comes up most when we insulate the walls, so we pick the material with that in mind from the start.
Other work that often goes with crawl space insulation
Wall insulation
Worth a look when the floors feel better but the outside rooms still swing hot and cold with the weather.
Air sealing services
Closes the cracks and openings that let outside air in, so the insulation you pay for actually does its job.
San Angelo, TX
Get your crawl space looked at first
We answer (325) 285-1301 into the evening and on weekends, so call with the rough size of your crawl space, whether it has vents and any furnace or old pipe wraps below the floor.