grant
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Duct and vent issues
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Introduction
HVAC Contractor – C-20 License #1138934 | EPA 608 & 609 Certified.
I provide expert installation, repair, and maintenance of heating, cooling, and ventilation systems for both residential and light commercial projects.
Whether it’s a home system, mini split, heat pump, or even wine cellar cooling – you can count on clean, code-compliant, and timely service.
✔️ C-20 Licensed
✔️ EPA 608 (HVAC Systems) & 609 (Vehicle A/C) Certified
✔️ Bilingual (English & Chinese)
✔️ Free Estimates | Fast Turnaround | Honest Work
Let’s keep your space comfortable — contact me today!
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我拥有加州 C-20 暖通空调执照（#1138934），并通过 EPA 608（家用/商用制冷）与 609（汽车空调）双重认证，为大洛杉矶地区客户提供空调、暖气、通风系统等安装与维修服务，涵盖住宅与小型商业项目。
无论是家用空调、分体式、热泵还是酒窖空调，我都提供专业、合规、干净快捷的服务。
✔️ 加州执照
✔️ EPA 608/609 双认证
✔️ 免费估价，快速安排
✔️ 可中英文沟通
欢迎联系，打造舒适健康的环境！
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Overview
Background checked
License verified
1 employee
25 years in business
Business hours
This pro hasn't listed their business hours.
Payment methods
This pro accepts payments via Cash, Check, and Zelle.
Projects and media
14 photos
Projects and media
14 photos
Reviews
Customers rated this pro highly for professionalism, work quality, and responsiveness.
5.0
3 reviews
5
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Jiya L.
Apr 22, 2025
Had a great experience with Grant. He showed up on time, quickly figured out the issue, and got everything working again without any hassle. Super professional, clearly knows what he’s doing, and made the whole process smooth and easy. Would definitely recommend to anyone needing HVAC help!
Mx l.
Apr 21, 2025
我非常推荐Grant 的专业技术非常扎实，维修和安装过程非常细致，效率高、质量也很可靠。他不仅快速找出问题，还主动讲解每一个步骤，给了很多实用的建议。最让我感动的是他的责任心，不管多晚都愿意把事情做完做好。这样的技师真的很难得，值得信赖！
Jane w.
Apr 22, 2025
be patient, very good.
Credentials
License
License Type: C20 – Warm-Air Heating, Ventilating And Air-Conditioning Contractor (CA)
License verified on 6/23/2025
Background Check
Chunsheng Li