The AHR Expo was held in Chicago's McCormick Convention Center from Jan. 22-24, 2024. Over 48,000 attendees interacted with 1,875 exhibitors across the North and South Halls, with 527,520 sq. ft. of space for products, technologies, and skill demonstrations.

There is a growing interest in adding air-to-water heat pumps to existing hydronic heating systems. While I support their use, I do not recommend replacing a perfectly good cast-iron boiler that still has a long service life.

The 20 products highlighted here have earned the distinction of being Plumbing & Mechanical’s Top Products of 2023 based on the number of pageviews on www.pmmag.com. Congratulations to those products on this year’s list.

Find out about piping options for retrofitting an air-to-water heat pump into an existing hydronic system.

Watts plans to host several celebratory events throughout the year, including a year-long sweepstakes for customers and a celebration at their headquarters in North Andover, Massachusetts.

Here’s a countdown of the top 10 articles you read the most in 2023 based on the number of unique pageviews on www.pmmag.com. 

Finding, training, and retaining employees will continue to be a challenge moving into next year. With many homeowners still feeling the pinch of inflation, contractors will notice that more potential customers are price-shopping.

A successful home service franchise offers sales and marketing systems similar to those employed by large companies. These systems can be easily implemented and replicated over and over again.

Joint research initiatives at the University of Alaska Anchorage are expected to make a substantial global impact, establishing new benchmarks for energy efficiency and sustainability.

Last month, we began discussing the HVAC system installed at my church’s newly-constructed parsonage. In this month’s column, we’ll complete the picture.