Watsco, Inc. WSO is set to report first-quarter 2021 results on Apr 22, before the closing bell.In the last reported quarter, the company’s earnings and revenues surpassed the Zacks Consensus Estimate by 12.9% and 1.8%, respectively. On a year-over-year basis, earnings and revenues increased 23.9% and 7.7%, respectively.Watsco's earnings topped the consensus mark in three of the last four quarters, with the average surprise being 5.5%.Trend in Estimate RevisionThe Zacks Consensus Estimate for the to-be-reported quarter’s earnings has increased 2.2% to 91 cents from 89 cents per share over the past month. The estimated figure indicates 26.4% growth from the year-ago earnings of 72 cents per share. The consensus mark for revenues is $1.08 billion, suggesting 6.7% year-over-year growth.Watsco, Inc. Price and EPS Surprise Watsco, Inc. price-eps-surprise | Watsco, Inc. QuoteFactors to NoteWatsco’s heating, ventilation and air conditioning business is likely to have benefited from the industry-leading technology in the first quarter. The company has been deploying technology that improves order fill rates with speed and accuracy. It has the industry’s largest database of digitized product information, with more than 875,000 SKUs. Notably, its OnCall Air service, CreditForComfort application, and contactless sales and servicing capabilities have been commendable. Moreover, technology deployment is likely to have driven the company’s e-commerce sales in the quarter to be reported.Apart from innovative technology, acquisitions have been Watsco’s preferred mode of solidifying the product portfolio and leveraging new business opportunities.Meanwhile, solid housing market fundamentals and repair & remodeling activity are expected to have aided the company’s top line in quarter to be reported. The company has been optimistic about its innovative technology and diversified product portfolio.However, price pressure on raw materials and tariff-related woes may have been a concern for the company’s bottom line.What the Zacks Model UnveilsOur proven model predicts an earnings beat for Watsco this time around. The combination of a positive Earnings ESP and a Zacks Rank #1 (Strong Buy), 2 (Buy) or 3 (Hold) increases the odds of an earnings beat. You can uncover the best stocks to buy or sell before they’re reported with our Earnings ESP Filter.Currently, it has a Zacks Rank #3 and an Earnings ESP of +0.71%. You can see the complete list of today’s Zacks #1 Rank stocks here.Other Stocks Worth a LookHere are some other companies in the Zacks Construction sector, which according to our model have the right combination of elements to post an earnings beat in their respective quarters to be reported.Louisiana-Pacific Corporation LPX has an Earnings ESP of +11.75% and sports a Zacks Rank #1.PotlatchDeltic Corporation PCH has an Earnings ESP of +1.56% and sports a Zacks Rank #1.Martin Marietta Materials, Inc. MLM has an Earnings ESP of +10.77% and a Zacks Rank #2.+1,500% Growth: One of 2021’s Most Exciting Investment OpportunitiesIn addition to the stocks you read about above, would you like to see Zacks’ top picks to capitalize on the Internet of Things (IoT)? It is one of the fastest-growing technologies in history, with an estimated 77 billion devices to be connected by 2025. That works out to 127 new devices per second.Zacks has released a special report to help you capitalize on the Internet of Things’s exponential growth. It reveals 4 under-the-radar stocks that could be some of the most profitable holdings in your portfolio in 2021 and beyond.Click here to download this report FREE >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Watsco, Inc. (WSO): Free Stock Analysis Report LouisianaPacific Corporation (LPX): Free Stock Analysis Report Martin Marietta Materials, Inc. (MLM): Free Stock Analysis Report Potlatch Corporation (PCH): Free Stock Analysis Report To read this article on Zacks.com click here.