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The HVAC distributor says its customers with an active ecommerce account grew 19% over the last 12 months to about 54,000, resulting from its ongoing investment in digital technology and supporting a continuing growth in ecommerce sales.

Watsco Inc. is gaining ground on several fronts as it focuses on building out an already-dominant position as an online distributor of heating, ventilation, air-conditioning and refrigeration products.

Watsco’s overall digital strategy enables the company to do analytics on opportunities, enhance our capabilities, and measure and track our successes in all parts of our business.
A.J. Nahmad, president
Watsco Inc.

For the fiscal third quarter ended Sept. 30, Watsco said ecommerce sales rose about 15%. Watsco ecommerce sales accounted for about a third, or $702.9 million, of total sales of $2.1 billion. It also noted that ongoing improvements to its digital commerce technology and practices have resulted in a 19% expansion over the past 12 months to 54,000 customers with active ecommerce accounts.


“Our mobile platforms and ecommerce channels have increased customer engagement, reduced attrition, created market share gains, and supported our margin expansion,” chairman and CEO Albert Nahmad said on the company’s recent earnings call with investment analysts.

Watsco ecommerce sales

Nahmad said that Watsco has added over 400,000 new SKUs to its digital product library since the start of 2023. He noted that “approximately 60% of the HVAC systems we are now selling represent new products.


Watsco notes that its product information management (PIM) database contains over 1.5 million SKUs. They’re available to more than 350,000 contractors and technicians.

In addition, Watsco makes available to professional customers its HVAC Pro+ mobile apps. They provide real-time information to such details as:

  • Product specifications
  • Technical support
  • Inventory availability
  • Warranty look-up and processing
  • Access to ecommerce ordering

Watsco said it also increased online gross merchandise sales 31% year over year during the first nine months of this year. Those sales grew to $958 million through its OnCallAir digital sales platform and its companion CreditforComfort consumer-financing service.

Digital strategy supports margin strategy

Nahmad said the company’s digital technology strategy is supporting its long-term goals for improving gross profit margin to 30% (up from 26.7% in Q3) while also upgrading how it engages contractors and end customers.


Aaron (“A.J.”) Nahmad, president, said Watsco’s overall digital strategy enables the company “to do analytics on opportunities, enhance our capabilities, and measure and track our successes in all parts of our businessthings like prospecting and winning new customers and changing and improving how customers engage with us with things like ecommerce in our apps, which eventually reduce our cost to serve those customers.

Albert Nahmad asserted that, as Watsco’s financial position continues to improve, it “provides us the flexibility to invest in virtually any opportunity” in the $50 billion North American [HVAC] market.

He added that merger-and-acquisition activity “remains an important contributor” to Watsco’s growth and noted that, in Q3, the company acquired South Carolina-based Gateway Supply Co., a regional HVAC and plumbing supplies distributor, “giving us the ability to partner with great leadership to grow beyond their $180 million sales.” Gateway operates an ecommerce store for HVAC and plumbing supplies and offers contractors online Pro accounts.

Since 1989, Watsco has acquired 68 businesses.


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Paul Demery is a Digital Commerce 360 contributing editor covering B2B digital commerce technology and strategy. [email protected].

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