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Before
After
Before
After
Before
AfterAC Installation in Dallas, TX
A new AC installation in Dallas typically runs $6,500 to $14,500 depending on system size, efficiency rating, and ductwork condition. Dalton Heating & Air Dallas completes most residential installations in one day, with the price in writing before any equipment touches your driveway. If your current system is over 12 years old, needs a compressor, or can’t hold setpoint during a Dallas August, replacement usually makes more financial sense than another repair. Call (254) 280-5320 and we’ll give you a straight answer on whether to fix or replace. You can also see our full AC Repair & Installation service page for how we handle both sides of that decision.
We’re a Garrison Partners company, operating under The Garrison Standard since 2003. That means the quote you get is the price you pay. The crew that arrives is background-checked and uniformed. The warranty is written, not promised over a handshake. Marco Benitez runs our Dallas operation, and he holds every install to The Garrison Code: arrive inside the stated window, price in writing before starting, do the job by the book, leave the site clean, and stand behind the work for a full year.
When You Need AC Installation
Most Dallas homeowners don’t plan an AC Replacement. They get forced into the decision by one of these situations:
- Compressor failure on an older system. A compressor replacement on a 10+ year old R-22 unit often costs 40-60% of a full system, and you’re still left with an aging coil and condenser. In neighborhoods like Lake Highlands and Casa View, we regularly see homeowners put $2,500 into a compressor on a unit that fails again within two years.
- R-22 refrigerant phase-out. If your system was built before 2010, it likely runs on R-22, which is no longer manufactured or imported. Remaining stock runs $150 to $300 per pound, and a full recharge on a 3-ton system can hit $1,000 or more. That’s money with zero return.
- Rising summer electric bills. A 14 SEER unit from 2008 draws noticeably more power than a modern 17 SEER system. Dallas summers hit 100°F for weeks straight. That efficiency gap shows up on every single bill from June through September.
- Uneven cooling or constant short cycling. If upstairs bedrooms in Richardson stay 8 degrees warmer than the living room, or the system kicks on and off every 10 minutes, the equipment or ductwork is mismatched. A properly sized installation fixes both.
- Repair costs piling up. Two service calls in one season is a signal. Three is a pattern. If you’ve spent $800+ on repairs in the last 12 months and the unit is old enough to vote, replacement costs less per year of remaining life than continued band-aids.
- Major remodel or addition. If you’re adding square footage in Preston Hollow or finishing a garage in Oak Cliff, your existing condenser and air handler are now undersized. Bolting on window units is a short-term fix that costs more than a right-sized central install over three years.
If you’re on the fence, we’ll tell you straight. Sometimes the honest answer is “you have two more years on this unit.” We don’t sell replacements for the commission. We sell them when the math works for you.
Our AC Installation Process
Here’s exactly what happens when you call us for AC Repair & Installation Near Me in Dallas, TX:
- Call and talk to a live person, not a voicemail tree. Our phones are answered 24/7 by a real human at (254) 280-5320. You describe the problem, we book a visit inside a stated window. You know who’s coming before they arrive, because we tell you the technician’s name.
- Load calculation and site assessment. The technician measures your home’s square footage, ceiling height, window area and orientation, and insulation levels. This is a Manual J load calculation, not a guess based on the old unit’s size. A wrong-sized system is the root cause of most humidity and short-cycling complaints we fix for other companies’ installs.
- Written proposal with line-item pricing. You get the final number on paper, broken out by equipment, labor, and any ductwork or electrical work. No “we’ll see how it goes.” No surprise line items at the end. This is The Garrison Standard on paper.
- Installation day. The crew arrives inside the window, lays down floor protection, and gets to work. Most single-system residential installs are complete in one day. We haul off the old equipment, flush the line set, pressure test with nitrogen, pull a proper vacuum, and charge the system to manufacturer spec.
- System startup and walkthrough. Before we leave, we verify airflow, temperature drop across the coil, and refrigerant charge. You get a walkthrough of the new thermostat, filter location, and maintenance schedule. The site is left clean, period.
- Written warranty and 365-Day Done Right Promise. Your installation carries a written guarantee for a full year under the 365-Day Done Right Promise. If anything isn’t done right, we make it right. That’s not a 30-day window. That’s twelve months.
AC Installation Pricing in Dallas
Here’s what Dallas homeowners should expect to pay. These are honest ranges based on systems we install every week across Dallas, Garland, Mesquite, and the northern suburbs:
- Basic 14 SEER single-stage system, 3-ton: $6,500 to $8,500 installed. Efficient enough to beat your 2008 unit by 30%, basic single-speed fan, no frills. The right call for a rental property or if you’re selling within five years.
- Two-stage 16-17 SEER system, 3-4 ton: $9,000 to $12,500 installed. Runs on low stage most of the time, which keeps humidity down in spring and fall, and saves roughly 20-25% on cooling cost versus a 14 SEER. This is our most common install for owner-occupied homes in Dallas.
- Variable-speed 18-20 SEER system, 3-5 ton: $12,500 to $16,500 installed. Whisper-quiet, best humidity control, lowest operating cost. If you plan to stay in the house 10+ years and can’t stand one more loud summer night, this is the tier that pays off.
- Ductwork replacement or modification: $3,000 to $8,000 depending on scope. If your ducts are 40 years old, leaky, or improperly sized, a new AC on old ducts is like putting a new engine in a car with bad fuel lines. We include a duct assessment in every quote and only recommend replacement when the leakage test says it matters.
What moves the price: system tonnage, efficiency tier (SEER rating), whether your existing line set and electrical can be reused, and whether you need a new thermostat. Brand matters less than you’d think. We service Trane, Lennox, Goodman, and Rheem systems among others, and we’ll recommend the unit that fits your budget and your house, not the one with the highest margin.
Every quote is free and in writing. Call (254) 280-5320 and we’ll send a technician to give you a real number, not a phone estimate pulled from thin air.
Why Installation Quality Matters More Than the Brand
Here’s a fact most HVAC companies won’t say out loud: a perfectly good Trane or Goodman condenser will fail in five years if the install was sloppy. Poor evacuation leaves moisture in the line set, which creates acid in the refrigerant and eats the compressor from the inside. A kinked line set starves the coil for refrigerant and causes premature failure. An undersized return duct makes the blower pull hard and overheat.
We’ve fixed other companies’ installs in Prestonwood and Bishop Arts where the equipment was fine and the workmanship was not. The Garrison Code isn’t a marketing position. It’s the rulebook Marco Benitez uses to inspect every job before it’s signed off.
We’re factory-trained on all nine major residential HVAC brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. That’s not a brag. It means we follow the manufacturer’s install manual to the letter, because the manufacturer’s warranty depends on it.
What to Check Before You Replace (Not DIY)
Before you commit to a full installation, there are two things worth checking that cost you nothing:
- Filter condition. A clogged filter starves airflow and makes an AC look like it’s dying when it’s actually suffocating. Check it. If it’s been six months and it looks like a felt blanket, replace it and see if system performance improves. This is the single most common cause of phantom “I need a new AC” calls.
- Thermostat calibration. A thermostat reading 4 degrees off will run the system longer than it needs to and make it seem like the AC can’t keep up. We check calibration at no charge during any service call.
Beyond those two checks, leave the actual diagnosis to a trained technician. Refrigerant is under pressure, electrical panels carry 240 volts, and cracked heat exchangers leak carbon monoxide. If you suspect any of those issues, call us. Do not open the access panel yourself. A real expert always flags the danger, and the dangerous part of HVAC is the part you can’t see.
FAQs – AC Installation
How much does AC installation cost in Dallas?
A new AC installation in Dallas typically costs $6,500 to $14,500 installed, with three-ton single-stage 14 SEER systems at the low end and variable-speed 18-20 SEER systems with new ductwork at the high end. The exact number depends on system size, efficiency tier, and whether your existing ducts and electrical can be reused. Call (254) 280-5320 for a free written estimate; the price is in writing before any work starts.
Is it cheaper to repair or replace my AC?
If the repair costs more than 40% of a new system and the unit is over 10 years old, replacement is usually the cheaper long-term call in Dallas, where cooling season runs March through October. We’ll give you the repair price and the replacement price side by side and let the numbers decide. No pressure, no guilting.
Can you install my new AC the same day?
In most cases, yes. If equipment is in stock at the local distributor and your electrical and ductwork are in usable condition, we can complete the install within 24-48 hours of your approved quote, often the same day. Call (254) 280-5320 and we’ll tell you the earliest slot.
How long does an AC installation take?
A standard single-system residential AC installation takes one day. If you’re replacing ductwork or upgrading your electrical panel at the same time, plan for two to three days. We’ll tell you the timeline in writing before you approve anything.
What SEER rating should I get in Dallas?
For most Dallas homeowners, a two-stage 16 or 17 SEER system is the sweet spot: noticeably lower summer electric bills, better humidity control than a 14 SEER, and a step-change improvement without the premium price of a variable-speed unit. If you plan to stay in the home 10+ years, the 18-20 SEER tier earns its premium back in operating cost. If it’s a rental or a short-term home, a 14 SEER gets the job done honestly and cheaply.
Get Your Free AC Installation Estimate in Dallas
If your AC is dead, limping, or just burning money, the first step is a real quote from a technician who shows up. Call (254) 280-5320 today and get a free estimate with the price in writing before any work begins. That’s how we’ve done it since 2003, and that’s how it goes every single time.
Written by Marco Benitez, Owner at Dalton Heating & Air Dallas, serving Dallas.