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YL Smart AIR Inc

Top Pro

$150/service call

(waived if hired)

Scheduling

Responds in about 2 hours

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If you hire this pro, you’re covered by a money-back guarantee. Learn more

If you hire this pro, you’re covered by a money-back guarantee. Learn more

About
❌ We do not install or repair window air conditioners. ✅ Insured HVAC company serving NYC. Certified HVAC technician with over 15 years of hands-on experience in automation, electrical engineering, and HVAC installation. Universal EPA 608 Certified, and holding a NYC Site Safety Card. We specialize in mini-split systems, central A/C, heat pumps, installation, repair, and maintenance. Honest service, clear communication, reliable workmanship, and fair pricing. Customer satisfaction is our top priority.
Overview

Current Top Pro

Hired 44 times

Serves Brooklyn, NY

Background checked

2 employees

8 years in business

Business hours

Sun8:00 am - 8:00 pmMon8:00 am - 6:00 pm

Payment methods

This pro accepts payments via Cash, Check, Credit card, PayPal, Square cash app, and Zelle.

Top Pro status

Top Pros are among the highest-rated, most popular professionals on Thumbtack.

Top Pro Icon

2025

Services offered
A/C services needed
Property type

House

Condo/Apartment

Townhouse

Business

Projects and media
Projects and media
Reviews

Customers rated this pro highly for work quality, professionalism, and responsiveness.

Exceptional 5.0

26 reviews

5

100%

4

0%

3

0%

2

0%

1

0%

Read reviews that mention:

pro avatar
Chaim C.

2 weeks ago

•

Hired on Thumbtack

I had a sudden boiler failure and had no hot water or heat in my home as a result. Yilong came out to me within 2 hours, spent all the time needed to diagnose the issue and then went and got the very hard to find part for a same day complete repair. I have only positive things to say about this company and highly recommend anyone needing them to use them without hesitation!

Details: Boiler • No heat • Unusual noises from inside • Leaking • Basement • Two-story building • House • Owner

YL Smart AIR Inc's reply
Thank you for choosing us. Glad your boiler is working again. If you need anything in the future, feel free to contact us anytime.
Heating System Repair or Maintenance
pro avatar
April L.

Oct 6, 2025

•

Hired on Thumbtack

I had a great experience with this business. I had some central air issues and he really took great care of the issue. The issue we had caused the technician to have to return a second day and he did so without hesitation. He was very timely, professional and very knowledgeable. We are so grateful to have found this business and our central air unit is working perfectly now. I would definitely recommend this business for your needs.

Details: Replace an existing A/C unit • I already have the A/C unit • 1,000 - 2,000 sq ft • Two stories • House

Central Air Conditioning Installation or Replacement
pro avatar
Ayesha A.

2 weeks ago

•

Hired on Thumbtack

Yilong responded to my request promptly and showed up on time. He was very thorough with the work. He fixed our HVAC issue in a couple of hours. Definitely using him again for future HVAC related issues.

Details: Repair • The power is on, but the fan won't run • Outside • Roof • Condo or apartment • Owner

YL Smart AIR Inc's reply
Thank you so much
Central Air Conditioning Repair or Maintenance
pro avatar
Nicholas N.

2 weeks ago

•

Hired on Thumbtack

Great experience overall. He quickly diagnosed the issue with the boiler pilot and had it fixed in no time. Very knowledgeable, efficient, and professional throughout the process. Would definitely recommend his services.

Details: Boiler • Not enough heat • Basement • Three-story building • House • Owner

YL Smart AIR Inc's reply
Thank you so much
Heating System Repair or Maintenance
pro avatar
LaQuan J.

Jan 25, 2026

•

Hired on Thumbtack

Mr Yilong definitely was promt in his response to me and my issue; he came out and did an excellent job servicing my boiler that went out. Will definitely hire him in the future for any of my HVAC needs.

Details: Boiler • No heat • Pilot light is out • Basement • Three-story building • House

Heating System Repair or Maintenance
Credentials
Background Check

Yilong Huang

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