HVAC Installation in Shreveport, LA
A new system here will heat from November through March and cool from May through October every year. Tell us about the house, and a licensed contractor who covers Caddo Parish will get in touch.
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Eleven months of work a year
In Caddo Parish, a new system barely gets a break. Summer afternoons average 93°F, and homes here need cooling from May through October, six months straight. Winter is shorter but still real, with nights averaging 38°F from December through February and heat needed November through March. That leaves only about a month when the system just sits idle.
More than half of homes here, 55.6%, heat with electricity, so the same unit that keeps a house warm in winter is often the one keeping it cool in summer. It needs to be sized and installed to handle both jobs well, not just the one on your mind today. Louisiana has also seen 279 damaging wind events and 7 winter storms over the past ten years, and in 2024 about half of households in the state lost power for at least a day. Whatever gets installed should be able to come back on its own once the power does.
- 5 months
- November through March, your system heats
- 6 months
- May through October, it cools
- 38°F
- the average winter night it heats against
- 93°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
Louisiana requires HVAC contractors to hold a state license.
The Louisiana State Licensing Board for Contractors issues that license, and it belongs to the contractor, not to any single job. That means the board has tested this contractor and keeps a record of who they are before they ever step into your home. It does not mean every installation gets checked on its own.
For a heating and cooling installation, that checking comes from your local building office. In most cities and parishes, putting in a new furnace and air conditioner needs a permit, and the work gets inspected once it's done. That inspection is what catches a bad gas line or a wiring mistake on this specific job, separate from whatever the state already knows about the contractor's license.
Source: Louisiana State Licensing Board for Contractors
- When should I replace my HVAC system?
- Replace it when repairs keep coming or the system can't keep up on the hardest days of summer or winter. An old air conditioner or furnace nearing the end of its life is working harder than it should, and a big repair bill on it is usually money spent on borrowed time. With summer afternoons here hitting 93°F and winter nights averaging 38°F, a system that's already struggling in mild weather is going to fail you when you need it most. If a contractor is quoting a major repair, ask what a new system would cost instead before you decide.
- Should I replace my furnace and air conditioner at the same time?
- If both are old, yes. Your furnace and air conditioner share the same air handler and ductwork, so they're sized and matched to work together. Replace only one and the new part may not pair well with the old one, which costs you efficiency either way. Homes here need heat from November through March and cooling from May through October, so both sides of the system are working hard most of the year, and if one is near the end of its life the other usually isn't far behind.
- What happens during an HVAC installation?
- A contractor removes the old equipment, sets the new furnace or air handler and condenser, and connects them to your ductwork, refrigerant lines and electrical. They check that the ductwork and the new equipment are matched in size, since a unit too big or too small for the house won't perform right. Replacing a furnace, air conditioner or heat pump needs a permit from the local building office in most cities and counties, along with an inspection once the work is done. Louisiana also requires the contractor doing the work to hold a state HVAC license, so ask to see it before work starts.