Key Points
- Delivering precision climate control solutions to Macomb and Southeast Michigan for over 35 years.
- As Michigan’s largest Lennox dealer we offer the latest in iComfort smart thermostat technology.
- Our fleet of over 100 technicians provides expert installation to ensure your new device is calibrated perfectly.

Thermostats are the heart of your heating and cooling system. To get the most out of your HVAC units, you’ll need to start with having the right controls which means selecting the right thermostat. At Randazzo Heating, Cooling, and Electrical, we specialize in the most popular controls on the market for our customers.
We will help you choose the right home comfort thermostats. We offer the full range of thermostats – leading with the Lennox s30 and e30 thermostat – which can help save you energy and increase the comfort level of your home.
Thermostat Installation Options
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iComfort S30 |
iComfort E30 |
Sensi Thermostat |
iComfort S30
iComfort E30
Sensi Thermostat
Smart Solutions for Michigan Home Comfort
Problem: My current thermostat is so confusing that I struggle to program it every time I leave my house to go shopping on Hall Road.
Solution: We install modern, intuitive touch-screen thermostats that are incredibly easy to use, allowing you to set schedules in seconds or let the device learn your habits automatically.
Problem: I feel like my bedroom is always freezing while the rest of my home near Lake St. Clair is warm because my single thermostat cannot tell the temperature in other rooms.
Solution: Our team can implement smart sensor technology that monitors temperatures in specific rooms, ensuring your HVAC system works to keep your most important spaces comfortable.
Problem: I constantly forget to turn down the heat before I head to work in the Somerset Area and I am tired of paying to warm an empty house.
Solution: We provide Wi-Fi enabled thermostats that allow you to control your home’s temperature from anywhere using your smartphone, giving you total control over your energy consumption on the go.
Problem: My thermostat screen is blank and my AC won’t turn on while the humidity is rising near the M-59 corridor.
Solution: Whether it is a wiring issue or a dead component, our rapid-response fleet can arrive quickly to diagnose the failure and perform an expert repair or replacement to get your cooling back online.