Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
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Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateFast, Reliable AC Installation Across Carrollton
A new AC installation in Carrollton typically runs $3,500 – $7,500 for a complete system, and most jobs take one full day once equipment arrives. If your current system is blowing warm air, short-cycling, or simply can’t keep up with Texas heat, it’s time to look at replacement. We’ve installed and replaced systems across Carrollton’s older neighborhoods for years, and we know exactly what these homes need. Call (430) 213-5796 for a free, upfront estimate before the heat really turns on.
Why Cold Harbour Heating and Air Dallas Is Carrollton’s Preferred AC Installation Company
Carrollton homeowners call us because we show up when we say we will, hand over a written price before any tools come out, and back every job with a 365-day written guarantee. Victor Mancini leads our team, and he has built the company around The Kingswell Way: say the price first, show up in the window, leave the house cleaner than we found it, put the guarantee on paper, and come back if anything fails. That approach matters in Carrollton, where a lot of families have been burned by cut-rate contractors who disappear after the check clears.
Our dispatch is coordinated from our Dallas-Fort Worth office, and crews reach Carrollton neighborhoods quickly because we’re already working here most days. We don’t make homeowners sit through a four-hour arrival window. We give a firm time, and the technician who arrives is background-checked, uniformed, and trained on nine major residential HVAC brands. When you call with a question after the install, a live person picks up the phone, not a voicemail tree.
Styles & brands we work with






Furnace Installation in Carrollton
Furnace Installation in Carrollton costs $3,500 – $7,500 on average, and it’s work we do year-round, even though most homeowners only think about heat on the coldest January mornings. Many Carrollton homes still run furnaces from the 1980s and 1990s that have outlived their design life. A cracked heat exchanger or a blower motor that’s failing means a replacement is safer than another repair that might not hold.
When It’s Time
If your furnace is over 15 years old, needs frequent repairs, or rattles when the blower kicks on, it’s worth getting a quote before the next cold snap. Older furnaces in Carrollton’s slab homes often struggle with uneven heat, and replacing one without checking the ductwork is a mistake we see too often.
What We Check
Before we quote a furnace install, we look at the full picture: duct sizing, venting, gas line condition, and whether the existing electrical panel can handle a modern blower. We don’t just swap boxes. We make sure the new furnace actually heats every room in the house.
HVAC Installation in Carrollton
HVAC Installation in Carrollton runs $3,500 – $7,500 for a complete system, and in this area, that often means a heat pump rather than separate AC and furnace. Carrollton’s all-electric older subdivisions, especially in neighborhoods built during the 1970s and 1980s, are prime candidates for a full HVAC replacement. A single high-efficiency heat pump can handle both heating and cooling, which simplifies everything from maintenance to monthly bills.
One System, Two Jobs
A modern heat pump cools in August and heats in February, which fits Carrollton’s climate well. The shoulder seasons here bring sharp temperature swings, and a properly sized heat pump handles those transitions more smoothly than an aging furnace paired with a tired condenser.
Panel and Duct Reality
Before we quote an HVAC installation, we check the electrical panel and the existing ductwork. Many Carrollton homes still have 100-amp service and 1980s round metal ducts that belong in a museum. We’ll tell you plainly if a full-system install requires panel work or duct replacement, and we’ll put the cost in writing before we start.
Trusted Brands We Service in Carrollton
Our technicians are factory-trained to install and service Trane, Lennox, and Goodman systems, and we stock common replacement parts in our local inventory so Carrollton customers aren’t waiting days for a capacitor or a control board. If your home already has a Rheem or a Carrier, our team works on those too. We don’t push one brand. We recommend what fits your home’s size, ductwork, and budget, then stand behind the install with our written guarantee.
Common AC Installation Problems We See in Carrollton Homes
- Like-for-like tonnage swaps without a load calculation. A 3-ton unit gets replaced with another 3-ton unit because that’s what the old one was. But the original may have been oversized or undersized from day one, and the new unit short-cycles, leaving the back of an open-plan ranch hot all afternoon.
- Reusing original 1980s round metal ductwork. Carrollton’s attic heat cooks those old ducts for decades. They corrode, leak air into the attic, and the higher static pressure from a new blower motor starves the farthest rooms. We find pinhole leaks in this ductwork all the time.
- Skipping electrical panel upgrades in all-electric homes. Older Carrollton subdivisions often run on 100-amp service. A new high-efficiency heat pump can trip breakers under the locked-rotor amps of a starting compressor if the panel hasn’t been addressed.
- Ignoring the county-line permitting split. Carrollton sits on the Dallas-Denton county line. The same street can fall under two different permitting and inspection regimes, and an installation compliant on the Dallas side may not pass on the Denton side. Contractors that don’t work Carrollton regularly miss this.
See the difference
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AfterPricing for AC Installation in Carrollton, TX
Here’s what a typical installation costs for Carrollton homes, parts and labor included:
| Service | Price Range |
|---|---|
| AC Installation | $3,500 – $7,500 |
| Furnace Installation | $3,500 – $7,500 |
| HVAC Installation | $3,500 – $7,500 |
Several things move the number inside that range: the size of your home, the condition of your ductwork, whether the electrical panel needs upgrading, and what brand and efficiency level you choose. Every quote we give is written and itemized before any work starts, and it doesn’t change at the door. Call (430) 213-5796 for an exact quote, free.
We Also Serve Cities Near Carrollton
Our crews work throughout the northwest Dallas metro. Beyond Carrollton, we regularly install and service systems in Addison, Coppell, Dallas, and Irving. If you’re just across the county line, the same team, same pricing, and same written guarantee apply. Our AC Installation experts cover the whole area.
Serving Carrollton, TX - Our Local Coverage Area
We’re based in the Carrollton area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About AC Installation in Carrollton
Carrollton is split between Dallas County and Denton County, and each county runs its own permitting and inspection process. A neighbor across the street may be under Denton County rules while you’re under Dallas County rules, or vice versa. An installation that passes on one side of the line may not pass on the other, which is why you need a contractor who works Carrollton daily and knows both regimes. Call (430) 213-5796 and we’ll tell you exactly which process applies to your address.
In most cases, yes. That round metal ductwork has baked in Carrollton attics for 30 to 40 years, and it often has pin holes the size of pencil erasers plus failed joints. A new blower motor pushes air at higher static pressure than those ducts were designed for, which means leaks get worse and far rooms stay hot. We’ll inspect the ducts when we quote the job and give you an honest answer.
Short-cycling in a newer heat pump almost always points to an oversized unit or a ductwork problem, not a manufacturing defect. If the system was replaced like-for-like without a Manual J load calculation, it’s likely too big for the house, so it cools the thermostat area fast and shuts off before the rest of the home catches up. That’s much more common in Carrollton’s 1970s – 1990s slab homes than people realize.
It depends on what else is running in the house. Many high-efficiency heat pumps need a 40-amp or 50-amp breaker, and if your 100-amp panel is already carrying an electric range, dryer, and water heater, it may not have room. We check the panel load during every estimate, and if an upgrade is needed, we’ll show you the cost in writing before any install is scheduled.
Carrollton’s spring and fall bring big temperature swings from day to night, and that cycling can stress condensate drain lines and cause coils to freeze if the system isn’t set up right. A correctly installed system handles this fine, but a rushed install with the wrong refrigerant charge or a kinked drain line shows up within weeks. That’s why we commission every system and verify drain slope, static pressure, and refrigerant levels before we leave. Call (430) 213-5796 for a free estimate.
How a New AC Has to Work in an Older Carrollton Home
Carrollton sits on the Dallas-Denton county line, and that split means the same street can fall under two different permitting and inspection regimes. An AC installation that’s compliant on the Dallas side may not pass on the Denton side, and a lot of metro-wide contractors never notice until the inspector rejects the job. We deal with this daily. We know which side of the line your house falls on, and we pull the right permit the first time.
But permits are only the paperwork. The real problem in Carrollton’s older homes is the mismatch between a brand-new system and 40-year-old infrastructure. Most of the housing stock here dates from the 1970s through the 1990s, built on slab foundations with attic-mounted air handlers. The original design typically used single-zone ductwork sized for equipment that was less efficient and ran longer. Throw a modern high-efficiency system onto those same ducts and you often get rooms that never cool, a compressor that short-cycles, and a homeowner who thinks the new unit is a lemon. It’s not the equipment. It’s the fact that nobody did a load calculation.
We saw exactly this in a 1984 two-story near Josey Lane and Hebron Parkway. The original round metal ductwork had corroded into pinholes in the attic heat, and the first-generation heat pump couldn’t hold a refrigerant charge. We ran a Manual J load calculation back to the 40-year-old single-zone design, replaced the undersized trunk with properly sealed flex, and commissioned a Trane heat pump with a new lineset, ending the upstairs that never cooled. That’s the difference between a like-for-like swap and an installation that actually works.
Clay-heavy soil across Carrollton adds another wrinkle. It shifts with moisture changes, and that settling can stress refrigerant lines and duct connections in slab homes. We account for that when we run linesets and seal ductwork, because a joint that’s tight on install day can open up after a wet spring. These are the details that only matter if you work Carrollton every week, which we do.
Call Cold Harbour for a Free Carrollton AC Installation Quote
Every installation quote is free, written, and itemized. We’ll tell you exactly what the job costs, what equipment we recommend, and what permits apply to your address, before you spend a dollar. Victor Mancini and our team stand behind every install with the 365-Day Done Right Promise in writing. Call (430) 213-5796 or use the form on this page to schedule your free estimate.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Dallas, serving Carrollton and the surrounding North Texas communities since 2003.