Heat pump vs. gas furnace in Miramar, FL
Miramar is a clear case: a heat pump beats what you have by a wide margin. Swap a failed furnace and AC for a heat pump rather than buying like-for-like, and the extra cost here runs $1,000 after a $2,000 federal tax credit. That premium is recovered through $335 of lower running costs every year, landing the payback clock at roughly 3 years. Nothing about that conclusion is generic — it's built entirely from Miramar's own numbers.
The climate behind Miramar's payback figure
60 heating degree days pile up here every year, so Miramar barely has a winter to speak of; the cooling side runs to 4759 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 51.1°F, against a record low of 48.9°F. That puts the seasonal coefficient of performance at 3.72 for the recommended standard unit. A standard ducted system is enough here; Miramar's design temperature doesn't justify the cold-climate premium. Climate figures trace to the nearest NOAA station, OPA LOCKA AIRPORT, 5.8 miles from Miramar.
What it actually costs to run, year to year
Modelled on a typical 2000-square-foot house, the heat pump draws about 41 kWh a year to keep it warm, plus cooling, for a combined electric bill near $632 a year. The gas furnace it replaces burns roughly 1 Mcf a year at 25.48 per Mcf here, for a running cost near $968 a year (electricity here runs 15.43¢/kWh). Priced as a standalone purchase rather than against a like-for-like replacement, equipment payback runs about 32.8 years, for a 15-year net position $4,028 ahead.
If your home heats with electric baseboard instead of gas
Gas isn't universal in Miramar — many houses run on electric heat already. Swap the comparison to resistance heat instead of gas, and Miramar's answer improves. About $343 a year comes back this way, enough that the 16-year payback clears the $5,500 premium comfortably within the equipment's life.
Where Miramar ranks in this dataset
Among 3206 cities, Miramar's winter puts it at rank 3166 for severity, while its size puts it at rank 196 for population — 1 in both cases being the extreme. 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 Miramar
About 143,242 people live in Miramar, 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.
Get quotes from local HVAC contractors before deciding.
More on how this number was built
Every constant behind this page — the 3.72 seasonal COP, the degree-day corrections, the equipment costs — is documented in the methodology guide. See what Miramar's figure looks like without the $2,000 federal credit in the guide to how that credit moves the payback window.