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Fall Furnace Maintenance
$39 Fall Furnace Maintenance Special
Get $10 Off Comfort Club Packages
What Makes Us Different?

Greencastle's & Plainfield's Premiere Heating, Cooling, & Plumbing Service!

Welcome to Smiley's Royal Comfort Heating, Air, & Plumbing, your source for prompt, courteous, reliable heating and air service. Offering heating and air conditioning maintenance, installation, repairs, and everything in between, our goal is to address your heating, cooling, & plumbing needs in a timely, efficient, and cost-effective fashion.

To prove how much we value your time, we guarantee that our technicians will show up when you expect them, or your service is free. It's that simple. The cost of your heating and air project should be easy to understand. We'll present a price up front and get your approval before proceeding.

How Are We Different?

What Our Customers Are Saying...

“Best service in town! I wouldn’t go anywhere else for HVAC
service in Greencastle!”

-Mike H. Greencastle

Schedule Consultation with a Comfort Consultant