Your St. Louis Source for HVAC Equipment & Parts

HVAC Parts & Equipment in St. Louis — In Stock & Ready Today

Furnaces, AC units, universal parts, and installation supplies for contractors and DIY homeowners. Get the equipment you need—when you need it.

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(314) 739-1600

Why Choose Comfort Systems

Why Contractors & Homeowners Choose Us

Local Expertise, 50+ Years Deep

We’ve been serving St. Louis County and surrounding areas for over half a century. We know the equipment, the climate, and the customers — because this is our community too.

Family-Owned, Community-Focused

As a local, family-owned business, we stand behind every product we sell. You’re not a ticket number here — you’re a neighbor, and we treat you like one.

Low Prices, No Runaround

We keep our pricing straightforward and competitive. Whether you’re a homeowner sourcing a replacement part or a contractor stocking up on supplies, you’ll always get a fair price.

Your Reliable Local Supplier

The Right Equipment. The Right Price. Ready When You Need It.

Comfort Systems Inc. supplies homeowners, contractors, and property managers throughout St. Louis County with a complete selection of HVAC equipment, universal replacement parts, and accessories. No waiting on long-distance distributors — we're right here.

What We Carry

A Complete Selection of HVAC Equipment and Supplies

Discover our wide range of products and services designed to optimize your indoor environment.

Residential & Light Commercial HVAC Systems

We stock a reliable selection of heating and cooling equipment for homes and light commercial properties — sourced from trusted manufacturers and priced to move.

Universal Parts & Installation Accessories

From universal replacement components to installation accessories and repair supplies, we carry the parts that keep systems running without the hassle of special orders.

IAQ Products & Water Heaters

Improve what you breathe and never run out of hot water. We carry indoor air quality products and a full range of water heaters to complete your home comfort setup.

What Our Customers Say

This is where I go for all my HVAC needs. Great and courteous service.

Karriem Muhammad

Great customer service, great products. They had my AC unit ready for pick up when I arrived.

Ashli Pinson

Good and cheap HVAC parts and equipment. I go out of my way to get to these guys.

Charles Gray

Who We Are

Your Local HVAC Supply Store

We’re proud to serve St. Louis and surrounding areas with a complete selection of HVAC equipment, parts, and installation supplies. Whether you're a contractor sourcing materials for a job or a homeowner tackling a repair, we provide the products you need—without the hassle. Our focus is simple: reliable inventory, competitive pricing, and knowledgeable support to help you find the right solution quickly.

Ready to Find What You Need?

Get the Right Equipment at the Right Price

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