HeatPumpPayback

Heat pump vs. gas furnace in Delray Beach, FL

In Delray Beach, a heat pump is the cheaper choice, and not by a little. Against a like-for-like gas furnace and AC swap, going electric costs $1,000 more up front here (already netting out a $2,000 tax credit). Lower bills claw that back: about $374 saved annually, for a payback of roughly 2.7 years. Nothing about that conclusion is generic — it's built entirely from Delray Beach's own numbers.

Why Delray Beach's climate drives this number

23 heating degree days pile up here every year, so Delray Beach barely has a winter to speak of; the cooling side runs to 5418 cooling degree days, where summers are severe enough that cooling can dominate the annual bill. The 99% winter design temperature here — the cold snap equipment must be sized for, not the seasonal average — is 51.8°F, against a record low of 50°F. That puts the seasonal coefficient of performance at 3.74 for the recommended standard unit. A standard ducted system is enough here; Delray Beach's design temperature doesn't justify the cold-climate premium. Source: NOAA station BOCA RATON AIRPORT, 5.5 miles from Delray Beach — the closest one on record.

Delray Beach's running-cost comparison, in dollars

A 2000-square-foot house here would pull roughly 16 heating kilowatt-hours annually on top of cooling, totalling about $715 a year on electricity. That compares with roughly 0 Mcf a year of gas at Delray Beach's 25.48 per-Mcf rate — about $1,090 a year — against a local electricity rate of 15.43¢/kWh. Buy it outright, not incrementally, and payback stretches to 29.4 years; over 15 years the net position sits $4,615 ahead.

The other scenario: no gas furnace to begin with

Plenty of homes in Delray Beach heat with electricity alone, no gas line involved. Swap the comparison to resistance heat instead of gas, and Delray Beach's answer improves. The saving here runs about $377 a year, which recovers the extra $5,500 spent going electric in roughly 14.6 years.

How Delray Beach compares nationally

Delray Beach lands at position 3198 out of 3206 cities on heating severity (coldest is 1), and 555 out of 3206 by population size (biggest is 1). That's the mildest third of cities covered, where utility rates carry more of the answer than climate does.

What to do with this number in Delray Beach

About 70,140 people live in Delray Beach, Florida, and every number on this page is what a contractor would actually work from when quoting a system here — the point isn't to replace that quote, it's to tell you whether to bother asking for one. Here, it's worth getting quotes before your current system fails, not after.

Ask a local HVAC contractor for a quote before committing either way.

More on how this number was built

Every constant behind this page — the 3.74 seasonal COP, the degree-day corrections, the equipment costs — is documented in the methodology guide. See what Delray Beach's figure looks like without the $2,000 federal credit in the guide to how that credit moves the payback window.