All tools
Cooling · Sizing
The right cooling ton — no more, no less.
An oversized AC cools too fast to pull humidity out of the air. Your home ends up cold and clammy, and the compressor short-cycles. Here's the ballpark before we come measure.
For our install warranty, we do a full Manual J plus a Manual D duct calc on every project. This tool is for planning, not procurement.
Recommended cooling
4
tons
49k
BTU/hr
Efficiency target: 15.2–17 SEER2 two-stage
- • Variable-speed units run at 30–70% capacity most of the season — that's where humidity control happens.
- • Cold-climate heat pumps at this size cover 90–100% of annual heating load in most northern markets.
- • Refrigerant matters: we install R-454B-ready equipment on new projects.