By the Geaux 72 Air & Heat team · Updated
AC installation and replacement in Azle, TX starts with an honest look at the system you have. Call (321) 478-0693, answered 24/7, and we send a licensed HVAC contractor to measure the house, check the ducts and electrical, and quote a properly sized, matched system in writing. A new AC unit should never be sized from square footage or the old unit’s label.
With a median build year around 1987, many Azle homes are on their second or third central air system, and some still run R-22. New split systems must meet SEER2 minimums and now use R-454B or R-32 refrigerant. Not sure you need one yet? Start with AC repair, or read what a new AC system costs in North Texas.
Signs your AC is due for replacement
Age alone does not condemn an air conditioner; patterns do. These usually justify pricing a full HVAC replacement:
- Roughly 12 to 15 years old or more and facing a compressor or coil repair.
- R-22 refrigerant, which makes every leak repair costly.
- Repairs stacking up summer after summer.
- Losing ground on mid-90s afternoons despite a clean coil and a correct charge.
- Hail damage to the condenser coil beyond what fin combing can fix.
A back bedroom that always ran hot is often a duct problem a new condenser will not fix; air duct repair and replacement covers what to check.
Sizing a system for a North Texas home: a load calculation, not a square-foot guess
The ton-per-500-square-feet rule ignores what makes one house different from the next. Proper sizing follows the ACCA manuals:
- Manual J calculates room-by-room heat gain from windows and their direction, insulation, air leakage, ceiling height and occupants.
- Manual S picks equipment whose real capacity and moisture removal match that load at local conditions.
- Manual D confirms the ducts can carry the needed airflow at a static pressure the blower can handle.
An oversized system short cycles and leaves the house clammy; an undersized one runs nonstop at 100 degrees. A 1970s ranch with new windows and more attic insulation often needs less capacity than it has now, which is why a ton-for-ton swap is a gamble.
SEER2 ratings and the federal minimum for Texas installs
SEER2 is the efficiency rating under the Department of Energy’s updated test, which assumes more realistic duct resistance. The numbers run lower than old SEER labels, so 14.3 SEER2 is not a step down from 14 SEER.
| Equipment | Minimum |
|---|---|
| Central AC under 45,000 Btu/h (about 3.75 tons) | 14.3 SEER2 |
| Central AC 45,000 Btu/h and up | 13.8 SEER2 |
| Heat pump (national minimum) | 15.2 SEER2, 7.8 HSPF2 |
Two-stage and variable-speed systems run longer at low output, which removes more humidity and evens out rooms. With the AC working from April into October, higher efficiency usually pays back better here than in milder climates, but ask the contractor for the comparison. All-electric homes should price a heat pump as well.
The new refrigerants (R-454B and R-32) and what they mean for a system installed today
Under the EPA’s AIM Act Technology Transitions rule, new residential split systems moved to lower-GWP refrigerants starting in 2025, mostly R-454B and some R-32. R-410A systems already installed can still be serviced while supply steps down.
- Refrigerants do not mix. A new R-454B condenser needs a coil built for R-454B, not the old one in the attic.
- A2L rules apply. Both refrigerants are mildly flammable, so the equipment includes leak detection and installers follow updated safety standards.
- The line set gets checked. Existing copper is reused only if it is correctly sized, sound, flushed and pressure tested.
Weighing one more repair against replacing now? See R-22 and R-410A phase-outs: repair or replace.
Matching the condenser, coil, furnace or air handler and the existing ductwork
The condenser, evaporator coil and furnace or air handler are rated together as an AHRI-matched combination. Only a matched set delivers its rated SEER2 and capacity.
- Gas furnace homes. Most in-town homes on Atmos Energy gas have an attic or closet furnace with the coil on top. A younger furnace with a compatible blower can stay; one near 20 years old usually goes too.
- All-electric and propane homes. An air handler is usually replaced with the condenser. The furnace and heating repair page explains how the fuels differ.
- Ductwork. A single undersized return in a 1980s ranch is a common finding, and it starves a new blower.
Installation day: permit, removal, line set, refrigerant charge and start-up test
- 1Permit. Inside Azle city limits the licensed contractor generally pulls a mechanical permit; unincorporated county addresses follow different rules.
- 2Removal. Old refrigerant is recovered, never vented, and the old equipment is hauled away.
- 3Set and connect. New condenser, coil and indoor unit; line set replaced or flushed; new disconnect, drain, pan and float switch as needed.
- 4Pressure test and vacuum. A nitrogen test, then a deep vacuum checked with a micron gauge.
- 5Charge. Set by superheat or subcooling to manufacturer specs.
- 6Start-up test. Airflow, static pressure, temperature split, amps, drain and thermostat are checked, then you get a walk-through.
A straightforward central air installation usually takes a day; a new furnace or line set adds time.
Homes we replace systems in around Azle: 1970s to 1990s ranch homes, lake houses, manufactured homes
- 1970s to 1990s ranch homes: an attic furnace or air handler over the hall, aging flex duct and a condenser in the side yard. Attic access, return size and line set reuse drive the scope.
- Lake houses on Eagle Mountain Lake: more humidity and cottonwood fluff, and cabins sized for weekend use that now house full-time owners.
- Manufactured homes toward Springtown: equipment approved for manufactured housing and ducts in the belly; see cooling a manufactured home in Parker County.
First-time central air, and houses without ductwork
Some older houses near Azle never had central air: a 1950s cottage cooled by window units, a converted shop, an addition built off the original slab. Those are a different job from a swap. The contractor looks at where a supply trunk and returns could run, whether the attic or crawl space has room, and whether the electrical panel can take a new 240-volt circuit before quoting a ducted system.
When new ductwork would mean tearing into finished ceilings, a ducted mini-split air handler or wall-mounted ductless mini-splits can cool and heat the space with only a small line-set penetration per room. They are heat pumps, so they also replace window units and space heaters in winter. Ask for both options in writing when the house has no ducts to reuse; the right answer depends on the floor plan, not on what the installer prefers to sell.
What a replacement quote and install include
- A Manual J load calculation, not a ton-for-ton swap
- A static pressure and duct check
- A written, itemized quote before anything is ordered
- A matched condenser, coil and furnace or air handler
- The permit, pulled by the licensed contractor where required
- Refrigerant recovered from the old system
- A pressure test, deep vacuum and charge to spec
- A start-up test and thermostat walk-through
Why choose Geaux 72 Air & Heat for AC installation and replacement
A live answer for quotes, too
Call (321) 478-0693 any hour to set up a visit. We confirm a time that works instead of promising one nobody can keep.
The license holder pulls the permit
Every HVAC contractor we send is licensed and insured in Texas. Where a permit is required, the licensed contractor pulls it.
Every line priced up front
Equipment, line set, ducts, electrical and permit appear on a written quote before anything is removed.
Sized for Azle houses
Upgraded 1980s ranches, lake cabins and manufactured homes all size differently, and the calculation reflects yours.
What affects the cost of a new AC system
New systems are quoted after a home visit, never by phone. Two same-size Azle houses can land far apart depending on what changes besides the condenser, so ask for an itemized quote.
- Capacity and tier. Tonnage, plus single-stage, two-stage or variable-speed.
- What else is replaced. Coil only, or the furnace or air handler too.
- Line set. Flushing existing copper versus running new.
- Ductwork. Adding a return or replacing crushed flex duct.
- Electrical. A new disconnect, breaker or wire, or panel work.
- Access. Attics, tight closets and belly ducts take more labor.
- Permit and inspection. City limits versus unincorporated county.
We don't publish prices we can't stand behind: you hear the price for your system, from the technician who diagnosed it, before any work starts. More detail: What Does a New AC System Cost in North Texas? SEER2 and the New Refrigerants Explained
AC Installation and Replacement around Azle, TX
Replacement work clusters in Azle’s older neighborhoods, where 1980s and 1990s systems are wearing out on the same streets, and around Eagle Mountain Lake. Toward Reno and Pelican Bay, more homes run electric air handlers or propane, which changes what gets matched. The same contractors handle AC replacement in Springtown, Lake Worth and Saginaw, where 2000s builder-grade systems are due. See all our service areas.