Next install opening: [Thu, Oct 29]

Insulation Services

Seal in comfort.Lock out high energy bills..

★★★★★ 5,239 reviews · 5,000+ NYC installs · Mitsubishi Diamond Contractor

Single-zone mini split from $3,000 installed. No rebate needed.

Clean Heat partner

Empower+ contractor

Authorized installer

NYC Licensed
& Insured

License #581293

Benefits of quality insulation

At Air Sync, we provide expert insulation services that boost energy efficiency, improve indoor air quality, and keep your home cozy year-round. Whether you’re dealing with drafts, high bills, or temperature swings—we’re here to help.

Why insulation matters Insulation is one of the smartest investments you can make in your home. A properly insulated space doesn’t just feel better—it saves you serious money.

From estimate to installed in days

Most single-room installs go from first call to a running system within the week.

We come out and measure

A free visit to check your rooms, wiring and where the units should go.

We install, usually in a day

One written price, then our crew installs and cleans up before leaving.

We file any rebate paperwork

If you qualify for ConEd or EmPower+, we handle the applications for you.

5,239 five-star reviews

Our insulation services include

Attic insulation

Stop your heated or cooled air from escaping through the roof. We install high-performance attic insulation that keeps comfort in and costs down.

Wall insulation

We insulate walls without damaging existing structures, sealing leaks and eliminating cold spots in your home.

Crawl space & basement insulation

Keep lower-level moisture and cold air from seeping into your home. We protect your foundation and improve whole-house efficiency.

Air sealing & draft control

We seal cracks, gaps, and leaks throughout your home to stop air loss and improve HVAC performance.

Rebates, if you qualify

We file the paperwork, and the rebate comes off your invoice. Our pricing holds up either way.

ConEd Clean Heat

Toward a new heat pump, if eligible.

Up to $10,000

EmPower+ insulation

For income-eligible New York households.

Free

Electric appliances

Swap gas appliances for electric, if eligible.

Free

0% for 12 months

Get the system now and spread the cost. Or choose longer terms for a lower monthly payment.

Example

$3,000 single-zone = $250/mo

at 0% for 12 months, for qualified buyers.

Beat the first cold snap.

Next install opening: [Thu, Oct 29]

Price match guarantee · No-obligation written quote · Our own crews