The homeowner field manual

Heat-pump planning guides

Review mini-split heat pump planning topics including zone layout, capacity, indoor-unit placement, condensate, controls, and cold-weather operation.

Smart controller communicating wirelessly with a ductless mini-split

Products & Controls

Best Smart Controllers for Mini Splits: Compatibility Comes First

Smart mini-split controllers send infrared commands like the original remote. Verify the remote, line of sight, per-head cost, and feature limits first.

Updated October 21, 2026

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Ducted supply register and ductless indoor unit shown side by side

Choosing a System

Ducted vs. Ductless Heat Pumps: How to Choose for Your House

Ducted and ductless heat pumps can both work well. The better fit depends on room layout, existing ducts, zoning, filtration, appearance, climate data, and inst...

Updated October 21, 2026

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