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Before
After
Before
After
Before
AfterAC Installation in Dallas, TX
A new AC installation in Dallas typically runs $4,200 to $9,800 for a full system replacement, depending on home size, efficiency rating, and ductwork condition. Most installations take one full day, and if your existing system is over 12 years old or needs a repair that costs more than half its remaining value, replacement is usually the smarter financial move. Cold Harbour Heating and Air Dallas handles the entire job: load calculation, equipment selection, permits, installation, and a written guarantee before we leave. If you’re not sure whether you need a repair or a new system, start with our AC Repair & Installation page for a plain-English comparison, or call (430) 213-5796 and we’ll help you sort it out over the phone.
Since 2003, we’ve installed Trane, Lennox, Goodman, and Rheem systems in Dallas homes, and every job follows the same written standard we call The Kingswell Way: a firm price before we start, a technician who shows up in the window we gave you, a clean job site when we leave, and a 365-Day Done Right Promise on paper. Victor Mancini, our owner, built the Dallas operation on that promise because he saw too many homeowners get burned by companies that talked a good game and disappeared when something went wrong.
Key Takeaways
- New AC installation in Dallas runs $4,200 – $9,800 for most single-family homes.
- We install Trane, Lennox, Goodman, and Rheem, among other major brands.
- Every installation comes with a written price before work begins and a written 365-Day Done Right Promise.
- Replacement takes one day in most cases; we handle permits and city code requirements.
- Call (430) 213-5796 for a free in-home estimate, any day, any hour. A live person answers.
When You Need AC Installation
Some Dallas homeowners know exactly when their AC is done. Others aren’t sure whether a repair will buy them another year or two. These are the situations where AC Replacement is usually the right call:
- Your system is 12 to 15 years old. The average lifespan of a Dallas AC unit is 12 to 15 years because our cooling season runs long and hard. Systems older than that are burning through refrigerants that are increasingly expensive and, in the case of R-22, no longer manufactured.
- The compressor has failed. When the compressor (the pump that circulates refrigerant through the system) goes out, replacement cost alone often runs $2,800 to $4,500. If the system is out of warranty, putting that money toward a new system almost always makes more sense.
- Your energy bills have climbed steadily without a change in usage. A 12-year-old 10 SEER unit uses roughly 40% more electricity than a modern 16 SEER system. In Dallas, where AC runs from May through October, that difference shows up fast on the bill.
- Rooms are unevenly cooled, even after repairs. In older homes around Lakewood, East Dallas, and Richardson, we regularly see systems where ductwork has degraded, or the original installation was sized incorrectly. Adding refrigerant or replacing a fan motor won’t fix a design problem.
- You’ve needed two or more major repairs in the last 24 months. If repair bills total more than 50% of a new system’s cost, continuing to patch is throwing good money after bad. We’ll lay out the numbers honestly and let you decide.
- Indoor humidity is high even when the air feels cool. An undersized or aging system can cool air without removing enough moisture, which is why Dallas summers feel sticky indoors. Newer systems with variable-speed air handlers dehumidify far better.
If you’re still unsure, call us. We’ll send a technician to assess the system and give you an honest recommendation, even if that recommendation is “buy yourself another two seasons and replace it then.” We’re in the business of telling homeowners the truth, not selling units.
Our AC Installation Process
We run installations on a written, repeatable process so you know exactly what happens and when. No surprises. No “we need to run and grab a part” disappearing acts. Here’s how a typical Dallas installation goes:
- In-home assessment and load calculation. A technician comes to your home and measures the living space, checks window orientation, inspects the existing ductwork, and considers insulation levels. This is a genuine Manual J load calculation, not a rule-of-thumb guess based on square footage. The result tells us the exact cooling capacity (in BTUs) your home needs. Too big a system short-cycles and leaves humidity behind; too small a system runs constantly and can’t keep up in August.
- Written proposal with firm pricing. We hand you a written quote that includes the equipment model numbers, the full scope of work, and the exact price. That number does not change at the door. Upfront pricing is a core plank of The Kingswell Way, and it’s written down before any tool comes out of the truck.
- Equipment selection. We talk through your options in plain English: single-stage vs. two-stage cooling, SEER2 efficiency ratings, and brand differences across Trane, Lennox, Goodman, and Rheem. We’ll explain what a higher SEER2 rating means in actual dollars on your summer electric bill, not just label jargon.
- Installation day. Our background-checked, uniformed technicians arrive in the window we gave you. The job includes removing the old equipment, installing the new condenser and air handler or evaporator coil, connecting the line set, brazing and pressure-testing the refrigerant lines, pulling a proper vacuum, and charging the system to the manufacturer’s exact specification. If the ductwork needs sealing or replacement, we’ll have scoped that in the written proposal.
- Setup, testing, and walkthrough. We configure the thermostat, cycle the system through heating and cooling, and measure airflow and temperature drop to confirm everything is running right. Then we walk the home with you, show you the finished work, and hand you the written guarantee.
- Cleanup and proper disposal. We haul away the old equipment, sweep the work areas, and leave the place cleaner than we found it. That’s non-negotiable on every Cold Harbour job.
AC Installation Pricing in Dallas
Here’s what we see in the Dallas market for full system replacements, parts and labor included. These are honest ranges based on the homes and installations we’ve done across the metro:
- Basic 14 SEER2 single-stage system, 1,500 – 2,000 sq. ft. home: $4,200 – $5,600
- Mid-range 16 SEER2 two-stage system, 2,000 – 2,800 sq. ft. home: $5,800 – $7,400
- Higher-efficiency variable-speed system, 2,800+ sq. ft. home: $7,800 – $9,800
- Ductwork replacement (if needed), typical single-story home: $2,500 – $5,000
- Thermostat upgrade to smart or Wi-Fi model: $150 – $350
What moves the price in Dallas specifically? Older homes in neighborhoods like Casa View or Lake Highlands often have ductwork that predates current standards, and bringing it up to code adds cost but pays back in efficiency. Two-story homes need zoning considerations that a single-story slab home doesn’t. And homes with existing variable-speed systems already wired for modern communicating thermostats cost less to upgrade than homes with older wiring.
Every installation quote includes the written 365-Day Done Right Promise: if anything about the installation fails inside one full year, we come back and make it right at no charge. That’s written down before you sign anything.
The best way to get an exact number is a free in-home estimate. Call (430) 213-5796 and we’ll schedule a visit at a time that works for you.
FAQs – AC Installation
How much does AC installation cost in Dallas, TX?
A new AC installation in Dallas typically costs $4,200 to $9,800 for a complete system replacement, with most mid-range jobs landing around $6,500 to $7,500. The exact figure depends on your home’s size, existing ductwork, the efficiency rating you choose, and whether you need any electrical or thermostat upgrades. We provide a written, line-item price before any work begins so you know the full number upfront. Call (430) 213-5796 for a free estimate specific to your home.
How long does AC installation take?
Most single-family AC installations in Dallas take one full working day, typically 6 to 9 hours from arrival to final walkthrough. Jobs that include ductwork replacement or significant electrical work may stretch into a second day, but we’ll tell you that in the written proposal before you commit.
Is it cheaper to repair or replace my AC?
If your system is under 8 years old and the repair is a single component like a capacitor or fan motor, AC Repair & Installation Near Me in Dallas, TX is usually the cheaper option and we’ll say so. If the system is past 12 years old or the compressor has failed, replacement is generally the better financial move because repair costs on aging equipment go up while efficiency stays down. We’ll give you an honest breakdown of both options and let the numbers speak.
Do you handle Dallas permits and code requirements for AC installation?
Yes. Dallas requires a permit for HVAC equipment replacement, and our installations are done to current city code, including condenser placement, electrical disconnects, and refrigerant handling. We pull the permit and coordinate any required inspection. You don’t have to file paperwork or chase down the city.
Can you install an AC system on short notice?
In most cases yes, but we book installations in order of scheduled appointments, and during Dallas’s peak summer months (June through August), a week or two of lead time is typical. If your system is completely down, call (430) 213-5796 and we’ll let you know the soonest available slot. A live person answers the phone 24 hours a day.
Why Dallas Homeowners Call Cold Harbour Heating and Air
The name comes from an old roadside shelter where travelers waited out bad weather. That’s the job: comfort in any season, and a place that doesn’t disappear when things get rough. In Dallas, that means a system that holds up through 100-degree weeks and a company that answers the phone when it doesn’t.
We’re an independently owned and operated member of the Kingswell network. That means we’re not a national chain, but we’re held to the same written standards as every other Kingswell business across the country. The 365-Day Done Right Promise is the backbone of that standard: a written guarantee on every repair and installation, and a free return visit if the work fails inside a year. No fine print, no proration, no argument.
Our technicians are background-checked and uniformed, trained to service nine major residential HVAC brands including Trane, Lennox, Goodman, and Rheem. When you call, a live person answers, day or night. You’ll know exactly who’s coming to your door, what they’re going to do, and what it will cost before they start.
If you’re ready to replace your Dallas AC system, or if you just want an honest assessment of whether replacement is the right move, call (430) 213-5796 or visit our home page to learn more about how we work. The estimate is free, and the price we quote is the price you pay.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Dallas, serving Dallas.