See what makes Master Tech HVAC inc. your number one choice for Boiler repair in Crystal Lake IL.
Trust the Experts


Call for reliable Furnace replacement in Barrington IL.

Master Tech offers 24 hours of HVAC Emergency Service, 7 days a week, 365 days a year. We clean, install, and provide support for your furnace, air conditioner, or boiler. Call us today or visit our Contact Us or Get a Quote page for a Free Estimate. We always have a qualified HVAC technician available to help.

Our technicians are qualified to identify heating and cooling issues in your home that may result in lowering your monthly energy bills! In addition, we stock a full inventory of award-winning ENERGY STAR rated furnaces and air conditioners that will add value to your home while keeping energy costs low. We pride ourselves on offering excellent service at very affordable rates.

We offer 24/7 emergency Boiler repair service in Crystal Lake IL.


  • Any and All Heating and Cooling Need. Both Residential and Commercial / Industrial.
  • Furnace Cleaning, Repairs, Tune-Up, Sales & Installation.
  • Boiler Installation, Service & Repair.
  • Air Conditioning Sales, Service, Repairs & Installation.
  • Water Heater Installation & Service.
  • Humidifier installation and service.
  • Sheet Metal Fabrication.

We accept all forms of payment and offer an initial consultation to assist in diagnosing the problem.

We take pride in getting your job done right the first time. Check out our reviews! Contact us today for a Free Estimate.

Master Tech HVAC inc. has certified technicians to take care of your Furnace installation near Elgin IL.