Highlights
Price Snapshot: Value-to-mid positioning; often a cost-efficient path to modern features.
Product Focus: Balanced Furnace / AC / Heat Pump portfolio with communicating options on upper lines.
Best For: Buyers seeking a feature-rich yet affordable setup, especially for whole-home replacements.
What Stands Out: Ion communicating controls on select series for smoother temps and better diagnostics.
Before You Buy: Communicating features shine with trained installers; match series to climate (consider cold-climate HP where needed).
Warranty/Dealer: Solid parts warranties within a large corporate family; ask about transferability and any labor plan.

Heil may not be the first HVAC brand homeowners think of, but industry insiders know it as part of ICP (International Comfort Products)—the same corporate family that builds Carrier and Bryant systems. This means Heil equipment often shares the same engineering DNA as its premium siblings, but is marketed at a slightly lower price point with fewer flashy brand campaigns.
For this review, I’ll focus on Heil’s flagship Ion™ series: the Ion 98 G97CMN Furnace, the Ion 21 Variable-Speed Air Conditioner, and the Ion Variable-Speed Heat Pump HVH8. Together, these represent Heil’s top technology tier, blending high efficiency, modulating or inverter-driven performance, and smart connectivity. In my experience, Heil appeals to homeowners who want near-premium comfort without paying Carrier Infinity pricing.
Features
8.1 /10
Heil performs well in Features for HVAC.
Performance
9.0 /10
Heil performs well in Performance for HVAC.
Design
9.1 /10
Heil performs well in Design for HVAC.
Conclusion
The Heil Ion™ 98 G97CMN Furnace, Ion 21 Air Conditioner, and Ion HVH8 Heat Pump demonstrate why this brand deserves more recognition. Backed by Carrier Global engineering, Heil delivers premium efficiency, smart connectivity, and one of the strongest replacement warranties in the industry—all at a slightly lower cost than its more famous sibling brands.
Where Heil shines is in efficiency, comfort consistency, and warranty confidence. Its weaknesses are a smaller dealer footprint and less brand prestige compared to Carrier or Trane. For homeowners who value performance and protection over name recognition, Heil is an excellent choice, especially in markets with strong ICP dealer networks.