HVAC Installation in Brownsville, TX
A new system here will heat from December through January and cool from February through November every year. Tell us about the house, and a licensed contractor who covers Cameron County will get in touch.
Tell us about the job
It takes about a minute.
Ten months of cooling a year, and the power doesn't always stay on
Your air conditioner works nearly year round here. Cooling season runs February through November, and summer afternoons average 94°F, so the compressor carries a real load most months. Winter asks much less of a new system. Nights average 53°F from December through January, and that is the only stretch where a home here needs heat at all.
Most homes in Cameron County heat with electricity, so a new system leans on the grid for both jobs. That matters here. Across Texas, a third of households lost power for at least 24 hours in 2024, and this area has logged 95 damaging wind events over the past ten years. A new install is worth planning with that in mind, and worth sizing correctly for a season that runs almost twelve months long.
- 2 months
- December through January, your system heats
- 10 months
- February through November, it cools
- 53°F
- the average winter night it heats against
- 94°F
- the average summer afternoon it cools against

NOAA nClimDiv, 1991–2020 normals
Texas requires HVAC contractors to hold a state license.
TDLR tests contractors before they get a license and keeps a record of who holds one. That license belongs to the contractor, not to any single job, so the same license that covers a repair down the street covers a full system installation at your house.
For an installation, the license tells you the contractor was tested and is on record with the state. Separately, most cities and counties in Texas require a permit before a furnace, air conditioner or heat pump gets replaced, and an inspection once the work is done. That inspection is what checks the installation itself, things like the gas connection and the venting, not the license.
Source: Texas Department of Licensing and Regulation
- When should I replace my HVAC system?
- Replace it when repairs start happening every year, when the system is old and starting to fail, or when a technician tells you the compressor or heat exchanger is done. Age alone is not a reason to replace equipment that is still running well. But an air conditioner here works hard, cooling homes ten months a year, so the wear adds up faster than it would somewhere milder. If your last two summers each brought a breakdown, that pattern matters more than the age on the nameplate.
- Should I replace my furnace and air conditioner at the same time?
- If they are close in age, replacing both together usually makes sense, but it depends on the condition of each unit. Homes here only need heat two months a year, so a furnace can last a long time simply from not being run hard. If your air conditioner is failing and the furnace is still sound, there is no reason to replace a unit that works. A contractor can look at both and tell you honestly whether one or both need to go.
- What happens during an HVAC installation?
- A contractor removes the old equipment, checks the ductwork for leaks or sizing problems, and sets the new furnace and air conditioner or heat pump in place. They connect the refrigerant lines, wiring, and ducts, then test the system through a full cycle to make sure it heats and cools the way it should. Most homes here run on electric heat, so the installer will also check that the electrical circuit serving the unit is sized correctly for it. The exact steps depend on what equipment you have and what the house needs, which is something the contractor will walk through before starting.

