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The Online Source for Genuine HVAC Replacement Parts

At Technical Hot and Cold Parts, we have been at the forefront of HVAC/R repair solutions since our inception in 1991. Located in Westland, Michigan, we are your reliable partner for all your heating, ventilation, air conditioning, and refrigeration repair part needs.


Global Reach, Local Expertise

With a passion for excellence, we provide HVAC/R repair parts to homeowners and businesses worldwide. Whether you're across the street or across the globe, our over-the-counter service ensures you get the right parts, right on time.

Comprehensive Support

From diagnosis to after-sales service, our commitment to you goes beyond just providing parts. Our expert team will:

1. Help Diagnose the Issue: Not sure what's wrong? We'll work with you to identify the problem and source the correct repair part.

2. Offer Assistance in Sourcing Parts: We take the guesswork out of finding the right part. Let our expertise guide you.

3. Provide After-Sales Service: Purchased a part but need help installing it? Our after-sales support is here to ensure a smooth installation.

Multilingual Assistance

We understand that clear communication is key to exceptional service. That's why we proudly offer customer support in English, Chinese (们为中文使用者提供客服支持), and Spanish (Ofrecemos soporte al cliente para hablantes de español). Your comfort is our language.

At Technical Hot and Cold Parts, we're not just a supplier; we're a part of your solution. Let's fix it together.

Request a W-9

If you require a W-9 form, please email us at

Get in Touch

Ready to find the perfect HVAC/R repair part? Have a question about our products or services? Contact us today:

Address: 38568 Webb Dr. Westland, MI 48186
(734) 326-3900
Toll Free:
(888) 828-8317

Opening Hours:

Monday- Friday 8AM-5PM EST
Worldwide Shipping
Genuine OEM Parts
Secure Shopping
1-Year Returns