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Spray Foam Insulation in Bloomington, MN

Find top-rated spray foam contractors and save up to 40% on energy bills

💰 Estimated Energy Savings in Bloomington

40%
Average Energy Savings
Typical range: 35% - 45%
$2,160
Estimated Annual Savings
Based on $450/month average energy cost
3 years
Average Payback Period
Return on investment timeline

Note: Actual savings vary based on home size, current insulation, energy rates, and climate conditions. These estimates are based on Department of Energy data for Subarctic.

Verified Contractors in Bloomington

Air Seal Tech

📞 Call Now🌐 Visit Website

Direct: 6128883664

4.5⭐
13 Google reviews

Recent Reviews:

Autumn Mans★★★★★6 years ago

Brian was amazing to work with. He was very responsive from the very first call. We had just closed on a new home and knew from the inspection what we needed. He was able to come out and look at our attic within a week of our first phone conversation, and was very flexible. The work was completed within 2 weeks of that! (We got a little lucky as they finished a job early and worked us in) The crew was here right at 8am as we were told. They were knowledgeable, courteous, and did a great job. They were very clean as well (we found NO SIGNS of any insulation in our home!). We really liked that Brian was very honest and open about what he found, what he was going to do, and cost. There was no “well I may need add for this or that.” He quoted the job to what he saw, and that was the all inclusive price. We would hands down recommend this company to anyone looking for insulation! We will gladly use them again in the future if we have other projects.

Mountain Shadow★★★★★5 years ago

Brian and his team are amazing. We had owned our home for 30 years and were having some roofing done this year. Almost as an afterthought we called Air Seal Tech just to confirm our roof insulation was good. Brian came out and, using both visual inspection and high tech thermal imaging, showed us that we had virtually no useful insulation of the roof. Brian and his team gave us a very competitive quote and finished the job within 2 weeks. He and his team were the most professional, thorough and competent contractors I have ever encountered. Brain and his team are truly exceptional and deliver a very high quality product.

Veronica E★★★★★6 years ago

We interviewed four insulation companies before making our decision on a contractor. Brian’s presentation was hands down the most thorough and his quote was competitively priced. He took time to answer all our questions and was very responsive any time I called him to ask more questions. After the work was done I was able to reach out to him to ask about the CPE rebate. He followed up and we got our check. Brian and his crew are experienced, reliable and professional.

Frequently Asked Questions — Spray Foam Insulation in Bloomington

Is spray foam insulation worth the cost?▼
For most homeowners, yes. Spray foam creates an air-tight seal that traditional insulation cannot match, reducing energy bills by 15–35% annually. It also adds structural rigidity, acts as a moisture and vapor barrier, reduces outside noise, and can increase home resale value. The higher upfront cost compared to fiberglass is typically recovered within 3–7 years. One important note: because spray foam creates a very tight building envelope, proper mechanical ventilation is important to maintain healthy indoor air quality and prevent interior moisture buildup. This is typically handled by an Energy Recovery Ventilator (ERV) — a system that brings fresh outside air in while pushing stale air out, recovering the energy from the outgoing air so you don't waste what you paid to heat or cool — or a Heat Recovery Ventilator (HRV), which works similarly but is optimized for cold climates. A qualified contractor will assess whether your home needs ventilation upgrades as part of the installation.
How much does spray foam insulation cost?▼
Spray foam insulation typically costs $1.00–$3.00 per square foot installed, depending on the type and your location. Open-cell foam runs $0.44–$0.65 per board foot, while closed-cell foam costs $1.00–$2.00 per board foot. A typical 2,000 sq ft home attic costs $2,000–$6,000. Most homeowners recoup this investment within 3–7 years through energy savings of 15–35% annually.
What is the difference between open-cell and closed-cell spray foam?▼
Open-cell spray foam is softer, less dense, and less expensive. It expands significantly and is ideal for interior walls, attics, and soundproofing. Closed-cell spray foam is denser, stronger, and provides a moisture barrier — making it better for exterior applications, crawl spaces, and areas prone to flooding or humidity. Closed-cell also has a higher R-value per inch (R-6 to R-7 vs R-3.5 to R-4 for open-cell). One key difference: open-cell foam allows some vapor movement, while closed-cell acts as a vapor barrier — an important consideration for your home's ventilation needs.
How long does spray foam insulation last?▼
Spray foam insulation is one of the most durable insulation options available, with a lifespan of 80+ years when properly installed. Unlike fiberglass batting which can sag and settle over time, spray foam maintains its shape and insulating properties indefinitely. It will typically outlast the building it is installed in.
How do I find a qualified spray foam insulation contractor?▼
Look for contractors who are licensed, insured, and have verifiable reviews. Spray foam requires specialized equipment and training — improper installation can cause off-gassing, adhesion failure, or fire hazards. Ask for references, verify their insurance, and get at least 2–3 quotes. A qualified contractor will also assess your home's ventilation needs — a tightly sealed spray foam installation requires adequate mechanical ventilation to prevent moisture and indoor air quality issues. FoamMatch pre-screens all listed contractors for licensing and insurance so you can compare verified professionals in your area.
How long does spray foam installation take?▼
Most residential spray foam jobs take 1–2 days depending on the size of the area. A standard attic takes 4–8 hours. After spraying, the foam cures within 24 hours, though most contractors recommend waiting 24–72 hours before occupying the space due to off-gassing during the curing process.
Does spray foam insulation need to be replaced?▼
No — spray foam insulation does not need to be replaced under normal circumstances. Unlike fiberglass insulation which degrades over time, spray foam maintains its R-value and air sealing properties for the life of the building. The only reasons to remove or replace spray foam are water damage, renovation work, or improper original installation.
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