Air sealing services in Richland WA - drafts stopped before the insulation goes in
Cold drafts, a hot upstairs or a climbing power bill usually trace back to hidden attic leaks. We find them and seal them in order.

- Fully licensed and insured.
- Free estimates at your property.
- We respond within 1 business day.
Do you need air sealing, or just more insulation?
Air sealing services in Richland, WA close the gaps where your house leaks air, around can lights, pipes, wires, the attic hatch and the tops of walls, so rooms stop feeling drafty, your furnace and air conditioner don't strain as hard, and moisture stays out of the wood. Most of the work happens in the attic, usually before or alongside new insulation.
If your upstairs is drafty in winter and the power bill keeps creeping up, the leaks are usually in the attic, under insulation where nobody can see them. The price mostly comes down to how much old insulation sits on top of those gaps, how many openings there are to seal and how easy the attic is to get into. The schedule turns on whether anything has to happen first, like testing old insulation or insulation removal. Your written estimate lists each step in order, so you can see what's driving your number. We're based in Richland and work in the cities around it, including a few across the state line in Oregon.
How do you know your house is leaking air?
Drafts at outlets and trim
You feel cold air at outlets on outside walls, along baseboards or around the attic hatch. That usually means air is moving through gaps in the framing, and the longer it goes, the harder your furnace works and the higher the bill runs.
Upstairs never feels right
The bedrooms upstairs or the room over the garage run hot in summer and cold in winter. Often that's attic air moving through the ceiling, and adding insulation won't fix it while the air keeps moving.
Dark streaks on attic insulation
Gray or black smudges on the insulation around pipes, fixtures or the tops of walls show where air has been filtering through for years. That air carries moisture with it, and over time it can warp wood and lead to mold.
How our air sealing services work
I look the attic over first for things like a bath fan blowing into it or a roof leak, because sealing over those just traps the moisture. Then we pull back the old insulation to reach the leaks hidden under it, around can lights, plumbing and wiring holes, the chimney chase, the hatch and the tops of the walls, and seal each one with caulk, foam or board sized to the gap. We leave the eave vents, roof vents and any combustion air ducts open, since those openings are supposed to move air. Before anything gets tightened, your home's ventilation and every appliance that burns fuel are already part of the plan.
The same leaks show up below the house too, where gaps around pipes and along the wood that sits on the foundation pull cold air into the floors above, and we handle those as part of basement insulation. Where a surface has to stop both air and moisture, closed-cell foam insulation earns its higher price by sealing and insulating the same spot.
Seal the gaps, then top up loose fill
This suits most attics, where we seal every leak we uncover and blow loose insulation back over it. It usually gives you the most for your money unless ductwork runs through the attic.
Seal with spray foam
Foam costs more, but it seals and insulates in one pass. It's the better fit when your ductwork lives up in the attic and needs to sit inside a sealed space.
Get a written air sealing estimate for your house
Send the form and we'll get back to you within one business day to set a time for me to come out. The estimate is free, done at your house, and there's no obligation.
(509) 946-4684- Based in
- Richland, WA 99352
- Hours
- Mon–Fri: 7 AM–10 PM, Sat–Sun: 6 AM–11 PM
What happens after you call about air sealing in Richland?
Here's how a job runs from your first call to the final walk-through, and who you'll be dealing with at each step.
Call or send the form
Call (509) 946-4684 or use the form, and we'll set a time for me to come out to your house. If you're also thinking about attic insulation, mention it then so we can plan both together.
I inspect and write the estimate
I look over the attic, walls or crawl space and ask about anything in the house that burns fuel. Your written estimate lists each step in the order we'd do it, so you can see what's driving the price before you decide.
We seal it and walk through
On the day, we protect your floors and belongings and do the work in the order the estimate lays out. Before we pack up, I walk you through what we sealed and where.
Why Richland homeowners call us to seal their attics
The owner looks, then works
I come out to look at the job and write the estimate myself, then work beside our installers when we do it. The person who found the leak is the one sealing it, so nothing gets lost between the estimate and the attic.
Fully licensed and insured
We're fully licensed and insured. Washington requires every construction contractor to register with the Department of Labor & Industries, so it's fair to ask that of anyone you're thinking of letting into your attic.
Taught to do the hidden part
I learned insulation from my dad, hauling bags into attics as a kid and working beside him for years before I started this business in 2023. He taught me that the part nobody sees still has to be done right, and in air sealing that's most of the job.
If you're not sure whether your house needs a full sealing job or just some caulk around the back door, ask us to come take a look. I'd rather tell you a job can wait than sell you one you don't need.
Air sealing and attic work in Richland homes
Beyond registering with the state, Washington law requires construction contractors to be bonded and insured to protect the public. Ask anyone you're considering about both before they set foot in your attic, us included.
What we see most on jobs around here are houses that have had insulation added more than once, with the original leaks still sitting under every layer. Plenty of them also run a gas furnace or water heater, so I look at those before we tighten anything up. We find the same kind of attics on jobs in Kennewick and West Richland, and we work them the same way, digging down to the leaks instead of piling more on top.
Questions about air sealing in Richland
How do I know if I can seal air leaks myself?
You can usually handle the obvious gaps yourself, like around door frames and where pipes, vents and wires pass through outside walls. The small, hard-to-find leaks are a different job, especially in the attic of an older house where they sit under layers of insulation. If what you've got is something you can do with a tube of caulk, I'll tell you so.
Should air sealing come before new attic insulation?
Yes, the major leaks need to be sealed before new insulation goes in, because once it's down they're much harder to reach. If you're planning attic insulation, book the sealing first or as part of the same job. That's the order we work in.
Can sealing my house affect indoor air or my furnace?
It can, which is why ventilation belongs in the plan for any sealing job. Without enough fresh air, extra moisture and harmful gases can build up inside, and a furnace, water heater or other fuel-burning appliance that's short on air runs poorly and may give off carbon monoxide. One industry standard for energy auditors calls for mechanical ventilation to be recommended or installed when a house tests very tight afterward, and that's why I ask what burns fuel in your house before we seal anything.
What should a Washington contractor give me before an insulation job?
On residential jobs of $1,000 or more, Washington contractors must give you a written disclosure notice before the work. Along with the registration, bond and insurance covered above, it's one of the simple things to look for. If you don't see it, ask for it, from us or anyone else.
How much does air sealing cost in Richland, WA?
There's no set price, because it depends on what's in your attic, and I give you a written number after I've looked. The biggest factors are how much old insulation has to be moved to reach the leaks, how many openings there are around lights, pipes, wires and the chimney, how easy the attic is to get into, and whether new insulation goes in the same visit. Sealing and topping up loose fill usually costs less than spray foam.
What is the best way to handle vermiculite insulation before air sealing?
Have it tested before anyone seals or insulates the attic, because a federal attic guide says vermiculite may contain asbestos. It's the loose, pebbly, gray-brown kind you mostly find in older houses. If I see it at the estimate, we stop there, and you plan for testing and professional advice before any work starts.
Related insulation work for your house
Basement insulation
If the floors above your basement stay cold, the walls and rim joists down there are often leaking air and need insulation as well as sealing.
Closed-cell foam insulation
When a spot needs to block air and moisture at the same time, like a rim joist or crawl space wall, dense foam handles both jobs together.
Service areas for air sealing around Richland
Comfort Richland Insulation Company is based in Richland, WA, and the 8 cities listed below each have their own page, including Kennewick and Pasco. We work in other cities nearby too, so call if yours isn't on the list.
Richland, WA
Get your attic leaks found and sealed
Tell us your home's age and what burns fuel in the house, like a gas furnace or water heater, so I come out ready to look at the right things.
