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Texas homes paid 14.94 cents per kilowatthour for electricity in 2024. Fort Worth summers put real hours on an AC, so that rate shows up on the bill month after month, not just once. A new system's SEER2 rating only holds up if it's sized right for your home and matched to your ducts. One that's oversized or poorly matched will run less efficiently than its label says, no matter how high that number is. Getting the sizing and installation right is what makes an efficient unit actually efficient to run.
NOAA nClimDiv, 1991–2020 normals
Tarrant County logged 416 hail events between 2015 and 2024, more than one a week on average.
An outdoor condenser takes that hail directly, so where it sits and what shields it matters as much as what's inside it.
A load calculation is what ties your home to the right size system, not a guess based on the square footage of the last house a contractor worked on. It accounts for your windows, your insulation, how many rooms you're cooling, and where the ductwork runs. Ask whoever quotes the job to walk you through theirs before you sign anything. If a contractor skips straight to a unit size and a price, that's worth asking about.
Fort Worth sits in climate zone 2A, and any new split system going in has to clear 14.3 SEER2 under 45,000 Btu/h, higher than what the rest of the country requires. That floor is set by the region, not by what a contractor happens to stock. A federal tax credit is available for qualifying equipment, worth asking about when you compare quotes.
Find a contractorSix months of cooling here means a new system runs more hours in its first year than it would almost anywhere else. That's why the load calculation matters more than the brand on the unit. A system sized right for your home cycles on and off the way it's supposed to, even in August. One sized off a guess runs longer to make up for it, every day the heat holds at 94. Ask to see the load calculation before you sign anything.
SEER2 is worked out under set test conditions, with a specific duct static pressure assumed. Your ductwork, your return air, and where the unit sits all push the real number away from the label. Homes with the same rated system can see different results depending on how the rest of it was put together.
Equipment with a higher SEER2 rating generally costs more to buy than equipment at the regional floor. Whether that difference is worth it depends on how many hours a year the system runs and how long you plan to stay in the home. Ask for the efficiency rating at a few different price points so you can weigh them against each other.
Estimates for a typical Tarrant County home, from EIA household energy data, Texas fuel prices and NOAA climate normals. Your home will differ.
Install day starts with the old equipment coming out, both the outdoor condenser and the indoor coil, along with the line set that connects them. A tech worth hiring will pull a vacuum on the new line set before any refrigerant goes in, which clears out air and moisture that would otherwise sit in the system and cause problems later. The new coil gets set in the plenum above or beside the furnace, and that joint has to be sealed well or you lose cooled air before it ever reaches your ducts. Outside, the condenser goes on a pad, leveled, with clearance around it for airflow. Once it's wired in and charged, the tech checks refrigerant levels against the manufacturer's spec and tests the system through a full cooling cycle before calling the job done.
