Is a heat pump worth it in Rosenberg?

In Rosenberg, a heat pump pays for itself within a reasonable window. $1,000 is what Rosenberg would pay extra to go electric rather than replace the furnace and AC with the same again, once the $2,000 federal credit is applied. Lower bills claw that back: about $326 saved annually, for a payback of roughly 3.1 years. That's a real payback, built from Rosenberg's own climate and utility rates, not a national guess.

Why Rosenberg's climate drives this number

Rosenberg barely has a winter to speak of — 834 heating degree days a year against a 65°F base — and summers are severe enough that cooling can dominate the annual bill, at 3725 cooling degree days. The 99% winter design temperature here — the cold snap equipment must be sized for, not the seasonal average — is 30.9°F, against a record low of 18°F. That puts the seasonal coefficient of performance at 3.12 for the recommended standard unit. A standard ducted system is enough here; Rosenberg's design temperature doesn't justify the cold-climate premium. These numbers come from SUGAR LAND REGIONAL ARPT, the closest NOAA station, 11.1 miles out.

Rosenberg's running-cost comparison, in dollars

Modelled on a typical 2000-square-foot house, the heat pump draws about 677 kWh a year to keep it warm, plus cooling, for a combined electric bill near $622 a year. The gas furnace it replaces burns roughly 9 Mcf a year at 19.42 per Mcf here, for a running cost near $948 a year (electricity here runs 16.15¢/kWh). Looked at as a full purchase rather than an incremental one, payback here is roughly 33.7 years, leaving the 15-year total $3,891 ahead.

The other scenario: no gas furnace to begin with

Plenty of homes in Rosenberg heat with electricity alone, no gas line involved. Swap the comparison to resistance heat instead of gas, and Rosenberg's answer improves. The saving here runs about $498 a year, which recovers the extra $5,500 spent going electric in roughly 11 years.

Rosenberg against the rest of the country

Among 3206 cities, Rosenberg's winter puts it at rank 2956 for severity, while its size puts it at rank 969 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.

Next step for 42,571 people in Rosenberg

About 42,571 people live in Rosenberg, Texas, 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.

Line up a few local HVAC quotes before you decide.

Reading further on this page's numbers

The methodology guide walks through exactly how Rosenberg's 3.12 seasonal COP and the rest of this page's numbers get built. See what Rosenberg's figure looks like without the $2,000 federal credit in the guide to how that credit moves the payback window.