The new Honeywell Home T10+ Smart Thermostat Kits with RedLINK 3.0 offer additional control over three types of indoor air quality (IAQ) equipment simultaneously.

In 1885, when you could still buy a milk cow for $29.70, Albert Butz, a Swiss immigrant living in St. Paul, Minnesota, invented what he called the damper-flapper. He patented it the following year. The flapper opened a damper that allowed outside air to enter a coal-fired home furnace. This increased the oxygen in the furnace and made the fire burn hotter. When the temperature rose to a desired point, the damper closed.

The Watts W561 smart and connected Wi-Fi thermostat provides precise temperature control of a single-stage heating system.

SunTouch, a Watts brand, is pleased to announce the new SunStat ConnectPlus thermostat.

The Caleffi 520 series AngleMix thermostatic mixing valve features angled geometry that reduces costs as the domestic hot-water tank outlet is piped in-line with the valve’s mixed water outlet, requiring fewer fittings and less space, the company notes. 

Twenty-five years ago, I wrote a story for this fine magazine. I titled it, “Only Gus Touch.” Over the years, many people have told me they still remember that tale and ask if I can send them a copy. Sure, why not?

Rheem's EcoNet smart thermostat maximizes HVAC and water heating efficiency, and works with Amazon Alexa.

Selling smart thermostats to the right customers can help contractors increase profits.