Serving McHenry county for over 148 years!
Harlett & Son has been around for over 148 years! You can trust your home needs with us because we have the experience to back up our work. We do both Residential and Commercial work. Sales, Service, and Installation.Working with the best brands, we guarantee our quality work. Call today for a free estimate! Air Cleaners|Boilers|Cleaning|Humidifiers|HVAC Systems|Space-gard|Weil-McLain