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R.H. Witt Heating & Sheet Metal

R.H. Witt Heating & Sheet Metal, Inc. is a Northfield, Illinois HVAC company that was established in 1966. We maintain, repair and install all types of heating and cooling equipment. The majority of our business comes from referrals and repeat business. Call or visit our office Monday through Friday from 7 a.m. to 4 p.m. to find out why customers choose us time and time again. Feel free to request an estimate.

Round the Clock Service

When you discover a heating or cooling emergency after hours, just call R.H. Witt Heating & Sheet Metal, Inc. One or more of our HVAC contractors are always available for emergency repairs. You shouldn't have to be uncomfortable just because your heating system or air conditioner went out at an inconvenient time. We also offer non-urgent repair appointments during office hours.

Heating System and SC Installations

When you need a new heating or cooling system, the first thing our HVAC contractors do is perform a Manual J calculation. This helps us to determine the proper size of your new HVAC system. We spend time listening to your concerns before making a definitive recommendation. After the installation is complete, we instruct you on how to maximize your energy efficiency.

Protect Your HVAC System with Preventative Maintenance

We encourage you to adopt good habits whether your HVAC system is new or old. Our heating and air conditioning company offers preventative maintenance plans that help eliminate unnecessary repairs. This is the best way to add to the longevity of your heating and cooling equipment.

Choose a Carrier Factory Authorized Dealer

R.H. Witt Heating & Sheet Metal, Inc. is pleased to be a factory authorized dealer for Carrier. As the nation's oldest HVAC manufacturing company, Carrier has rigorous standards for this program. It expects applicants to demonstrate high standards of customer service, technician excellence and ethical business practices. We are among only five percent of HVAC contractors across the country to have been selected for this honor.


NATE Certified Puron