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A proper Manual J load calculation by a certified HVAC contractor ensures perfect sizing for your home.
Get Free Quotes| Tonnage | BTU/hr | Florida Home Size | Typical FL Home Type | Est. Install Cost |
|---|---|---|---|---|
| 1.5 Ton | 18,000 | 600–1,000 sqft | Studio, small 1BR condo | $2,800–$4,200 |
| 2 Ton | 24,000 | 1,000–1,400 sqft | Small home, 2BR condo | $3,200–$4,800 |
| 2.5 Ton | 30,000 | 1,400–1,800 sqft | 3BR home, townhouse | $3,700–$5,600 |
| 3 Ton | 36,000 | 1,800–2,400 sqft | Typical Florida family home | $4,200–$6,800 |
| 3.5 Ton | 42,000 | 2,400–3,000 sqft | Large 4BR home | $4,800–$7,500 |
| 4 Ton | 48,000 | 3,000–3,800 sqft | Large home, high ceilings | $5,500–$9,000 |
| 5 Ton | 60,000 | 3,800–5,000 sqft | Luxury home, commercial | $7,000–$12,000 |
A 2,000 sqft Florida home typically needs a 3-ton (36,000 BTU) heat pump. This can range from 2.5 to 3.5 tons depending on ceiling height, insulation quality, window area, sun exposure, and which part of Florida you're in. South Florida homes may need 3.5 tons. Always require a Manual J calculation.
For cooling purposes, sizing is essentially identical. A 3-ton heat pump and a 3-ton AC have the same cooling capacity. The key difference is that heat pumps also have a heating capacity rating (HSPF2) — but in Florida, the cooling load drives sizing since winters are mild.
No — oversizing creates serious problems in Florida. An oversized heat pump short-cycles — cools the space quickly then shuts off before removing humidity. In Florida's 75–85% relative humidity, this leaves your home feeling clammy and damp even at 72°F. Oversizing is the most common HP sizing mistake in Florida.
For a 700–1,200 sqft Florida condo: 18,000–24,000 BTU (1.5–2 ton). Condos on high floors facing west need more capacity due to solar gain. Condos with concrete construction (better thermal mass) can sometimes use the lower end of the range. Always have your HVAC contractor perform a Manual J for condos.
The same BTU requirements apply per space, but multi-zone mini-splits are configured differently. Each zone has its own indoor head unit sized for that room. The outdoor unit must be sized to handle the combined load of all zones running simultaneously. Our calculator works best for single-zone and central heat pump systems.
