HVAC Wholesale Supply & Plumbing Supply in Rockwall, TX

Winston Water Cooler of Rockwall is your full-service plumbing supply house and HVAC equipment supplier in the DFW Metroplex. From water heaters to valves, pipes, and tubing, we have the supplies and HVAC parts you need to finish your job.

Whether you are a plumbing professional, a contractor working on a small residential project or a contractor involved in a large commercial development, our plumbing and HVAC wholesale supply centers (both online and in-store) can help. With the huge inventory of our e-commerce site, as well as 16 area locations throughout the Southwest, we are your number one plumbing and HVAC wholesale supplier – and have been for over 50 years!

Our Rockwall branch is staffed with plumbing and HVAC equipment experts that not only know our products forward and backward but can help you solve whatever problems arise during your project as well. We want to make your job easier and keep both our customers and yours satisfied.

At Winston Water Cooler of Rockwall, our mission is simple - we constantly strive to grow & evolve in the HVAC & Plumbing industries, so that we can better meet the needs of our customers.


Plumbing Supplies | HVAC Equipment | Heating & Cooling in Rockwall, TX

No matter what the job calls for: valves, fittings, pumps, water heaters, septic systems, piping, tools or anything else that manages water, Winston Water Cooler can help. We have access to over 1 million products from hundreds of top-name manufacturers, which means we can get what you need when you need it to complete the job right the first time.

We treat each of our clients’ projects as if they were our projects. As your top HVAC wholesale supplier (through our e-commerce site as well as in-person) we have always gone above and beyond the other guys to guarantee that you are helped and satisfied.

Stop by for HVAC parts in Rockwall, TX, or order online today!




HVAC-R Repair Parts, Equipment, & Inventory

If you’ve been looking for that hard-to-find HVAC or plumbing part, need help identifying a specific HVAC replacement part or just simply need a particular filter, Winston Water Cooler is here to get you the information (and the product) you need. We either have what you need – or we’ll find it for you.

HVAC-R (which stands for heating, ventilation, air-conditioning, and refrigeration) is what Winston Water Cooler of Rockwall is all about, our professional staff combines technical knowledge with real, hands-on experience – making your job easier and faster from start to finish. We stock the most popular brands including: Honeywell, Fluke, Nu-Calgon, Penn Johnson, and Robertshaw. And with our extensive network of manufacturers, we guarantee we can solve any problem you may have, and that’s not only good for you, but for your customer, too.

From complex HVAC-R systems to hooking-up a simple thermostat, from “what is this” to “I need that” Winston Water Cooler of Rockwall has you covered.


The Ease of E-commerce |

Ordering your plumbing fixtures or HVAC wholesale has never been easier with our e-commerce site –

We are your leading plumbing and HVAC wholesale supply, meaning we’ve had the highest of standards and the best selection for five decades. We’ve learned that, in order to provide you with the best HVAC parts in Rockwall, TX, we need to offer both speed and accuracy for all your orders, as well as quality plumbing and HVAC equipment and knowledgeable, helpful staff.

We’ve stood for customer service, care, and education for half a decade, and we don’t plan on stopping anytime soon. We know you need experienced and expert help for many projects, especially when choosing between hundreds of parts, that is why our staff’s number one priority is your project and its success.


WWC Supply website logo

Winston Kitchen & Bath | Decorative Plumbing Showroom in Rockwall

Winston Kitchen & Bath is a decorative plumbing showroom that offers a diverse assortment of plumbing products for every style of home or residential setting. Whether you are building a new home, remodeling, or have a bigger project in mind, Winston Kitchen & Bath is here to help you.

Our decorative showroom features a wide variety of plumbing products from top name brands in the industry such as Delta, America Standard, Jetta, Bain Ultra and many others all conveniently displayed and showcased in a live interactive dome setting (real products and real water).

With the professional consults we have on staff, we can make your buying process informative, comfortable, and easy. Conveniently located right within your Winston Water Cooler of Rockwall, TX.

> Visit our Showroom


Branch Monthly Special

Oasis Filtered Vandal-Resistant
Dual Drinking Fountain with Manual Bottle Filler

Was: $2,384.00
Now: $1,000.00 (while stocks last)

News & Events


Thanks to all that attended the Milwaukee Tool 10% Off on all tools day. Good times, good food and good deals were had by all!


Connect with Winston Water Cooler of Rockwall on Facebook

Learn more, connect, leave a review, view photos or simply join our online community on Winston Water Cooler of Rockwall’s Facebook Page and stay up to date with events, news, specials, and more!


Scot Morgan from Winston Water Cooler in Rockwall


Branch Manager/Partner


5100 SH 276
Royse City, TX 75189

Contact Us

Sales 469-402-2520

Fax 469-402-2531

E-mail [email protected]

Store Hours

  • Mon: 7:00 a.m. to 4:30 p.m.
  • Tue: 7:00 a.m. to 4:30 p.m.
  • Wed: 7:00 a.m. to 4:30 p.m.
  • Thu: 7:00 a.m. to 4:30 p.m.
  • Fri: 7:00 a.m. to 4:30 p.m.
  • Sat: Closed
  • Sun: Closed

Colored WWC Supply business logo

Online Product Catalog

Ordering all your plumbing supplies made easy on Take advantage of all our online features to streamline your purchasing processes.