Glossary of HVAC Terms

SEER Rating: The higher the SEER rating, the more efficient 
the unit operates & the more you will save on cooling bills!

Contact Us:

Office: 11509 W 121st Place, Cedar Lake, IN 46303-9767
Phone:(219) 374-9830

24-HOUR SERVICE: (708) 758-0588

Furnace Cleaning & Inspection Discount Offer
Trane Furnaces & Air Conditioners
Broan Heating & Cooling Systems

Satisfaction Guaranteed

Satisfaction Guaranteed

You have our word- Our commitment is to our customers. We work hard to make sure our customers are completely satisfied with the products we offer and the services we provide. We Guarantee priority service for existing customers; no charge for parts per the manufacture’s written warranty; unlimited no-charge service calls for the first 12-months after installation by one of our Williamson Heating & Cooling Service technicians.