AC Installation in Alexandria, VA
A new air conditioner in Alexandria will run from June through September every year. Tell us about the house, and a licensed contractor who covers Alexandria will get in touch.
Tell us about the job
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What summer in Alexandria asks of a new system
Your air conditioner in Alexandria works four months a year, June through September, with summer afternoons averaging 86°F. That is not a long season compared to some places, but it is a demanding one, and the unit you install needs to handle those afternoons without strain.
Any new central air conditioner installed today has to meet a federal minimum of 14.3 SEER2. That is the efficiency floor, not a ceiling. The area has also seen its share of damaging wind, 31 events over the past ten years, so where and how the outdoor unit is mounted matters as much as the equipment itself.
- 4 months
- June through September, your air conditioner is on duty
- 86°F
- the average summer afternoon it cools against
- 1 hail events
- in ten years, and hail bends the fins on outdoor coils
- 13.4 SEER2
- the federal minimum any new unit must meet
NOAA nClimDiv, 1991–2020 normals
Going above the federal minimum saves little here, about $20 a year.
Estimates for a typical Alexandria home, from EIA household energy data, Virginia fuel prices and NOAA climate normals. Your home will differ.
Virginia requires HVAC contractors to hold a state license.
Virginia's Board for Contractors tests and licenses the contractor, not each job. That license stays with the company across every install it does. There's one carve-out worth knowing. Work under $1,000 doesn't need a licensed contractor, though an air conditioner installation runs well past that.
For this job, the license is what's accountable for the work, since Virginia licenses the contractor directly. Most cities and counties also require a permit from the local building office before the installation starts, along with an inspection once it's done.
Sources: Virginia General Assembly · Virginia Department of Professional and Occupational Regulation
- What size air conditioner does my house need?
- There's no single number that works for every home, it comes down to a load calculation a contractor runs on your specific house. Square footage matters, but so does how much insulation you have, how many windows face the sun, and how many people live there. An oversized unit cools the air fast but shuts off before it pulls the humidity out, so the house feels clammy even at the right temperature. An undersized one runs constantly on those 86°F afternoons and still can't keep up. A contractor doing your AC installation will size it to your house, not guess from a chart.
- Should I replace the whole system or just the outdoor unit?
- In most cases replacing only the outdoor unit is not a good idea, and a licensed contractor will likely tell you the same. The outdoor condenser and the indoor coil are matched to work together, and pairing a new condenser with an old coil usually means you lose efficiency and can shorten the life of the new equipment. If your system is old enough that the outdoor unit has failed, the indoor coil is probably close behind it. A contractor can look at the age and condition of both and tell you honestly whether the coil is worth keeping.
- Do HVAC contractors in Alexandria need a state license to work on my home?
- Yes. Virginia requires HVAC contractors to hold a state license through the Board for Contractors, and installing an air conditioner is exactly the kind of job that requires it. The only exception is small jobs, and an AC installation isn't one of them. Beyond the license itself, replacing an air conditioner also needs a permit from the local building office, with an inspection once the work is done. Ask to see the license and confirm the permit is pulled before work starts.