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The EVI Stage-Match Selector
Match the vapor-injection tier to your climate — because oversizing to the extreme low short-cycles and wastes energy. Right-size instead.
Match the vapor-injection tier to your climate — because oversizing to the extreme low short-cycles and wastes energy. Right-size instead.
![Commercial Rooftop Unit Guide: Types, Sizing & Costs [2026]](https://kovenair.com/wp-content/uploads/2026/07/commercial-rooftop-unit-guide-featured-2-150x150.png)