Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateFast, Reliable AC Installation Across Manor
A full AC installation in Manor typically runs $3,500 to $7,500, and in most cases we can have a crew scheduled within a few days of your free estimate. The real question isn’t just what a new unit costs. It’s whether the system will actually cool your house come August. In Manor’s newer subdivisions, that answer depends heavily on ductwork, load calculations, and whether anyone bothered to check the electrical panel before signing off. Call (361) 204-1605 and we’ll walk you through what your home actually needs.
We’re Coldharbour Heating & Air, and we’ve spent enough time in Manor’s neighborhoods to know that a like-for-like swap often disappoints. More on that below.
Why Cold Harbour Heating and Air Austin Is Manor’s Preferred AC Installation Company
Manor homeowners don’t need another company that treats every install like a box swap. They need someone who understands what the 2010s building boom left behind in neighborhoods like ShadowGlen and Presidential Meadows. We see the same issues over and over: flex duct runs that sag and kink in 140-degree attics, condensers sized by square footage alone, and air handlers that never deliver rated airflow because the duct static pressure is off the charts. Our crews know to look for these problems before we ever recommend a unit.
Every job gets the AC Installation team’s full attention, from the first load calculation to the final refrigerant check. Victor Mancini, who runs things here at Coldharbour, insists on this: the written price goes to you before any tools come out, and the technician shows up in the window we gave you. No surprises at the door. And every install carries our written workmanship guarantee in plain language, on paper, before we leave.
We answer the phone with a live person 24 hours a day. When a Manor customer calls at 9 p.m. on a Friday because a new unit isn’t cooling, they get a person, not a voicemail tree.
Styles & brands we work with







Heat Pump Installation in Manor
Heat Pump Installation in Manor is becoming the smart default for homeowners who want a single system that handles brutal summers and the occasional cold snap without a separate furnace. A heat pump moves heat rather than creating it, which means it cools in July and warms in January using the same outdoor unit. In Manor’s climate, where winter lows rarely stay below freezing for long, a properly sized heat pump does the job efficiently. Expect to pay $3,500 to $7,500 for a full heat pump installation, depending on the size of your home, the condition of your ductwork, and whether the electrical panel needs an upgrade.
Load Calculations on Older Manor Homes
Many Manor homes built in the mid-2010s got a rule-of-thumb sizing: so many square feet, so many tons. That ignores south-facing windows, attic insulation levels, and the brutal heat gain from a Blackland Prairie summer. We run a proper Manual J load calculation on every job. The difference shows up in July, when a correctly sized system cycles normally instead of running 18 hours a day.
Panel Checks Before We Quote
A lot of Manor’s mid-2010s builds came with 100-amp electrical panels. That’s fine when a gas furnace backs up the heat, but a heat pump’s auxiliary electric heat can trip the breaker on the coldest mornings. We check the panel as part of every estimate. If it needs a service upgrade, we tell you before you commit to anything.
Ductless Mini Split Installation in Manor
Ductless Mini Split Installation in Manor gives you zoned comfort without touching your existing ductwork, which matters a lot in homes where the ducts are a lost cause. These systems pair an outdoor condenser with slim indoor wall units, one per room or zone. They’re ideal for converted garages, bonus rooms over a garage, and older Manor homes near the historic core that never had central air to begin with. A typical ductless mini split installation runs $3,500 to $7,500 depending on how many indoor units you need and the complexity of the line-set runs.
When Ductwork Is the Problem
If your Manor home has flex duct that’s crushed, kinked, or full of holes, adding a high-efficiency condenser won’t fix it. The unit will fight the static pressure and you’ll pay for efficiency you never get. Mini splits bypass the ducts entirely. They deliver cooled air directly from the wall unit, which means you stop paying to condition your attic.
Zoning Older Floor Plans
Older Manor homes often have one thermostat for a whole house, with a master bedroom on the west side that bakes in the afternoon sun. A mini split lets you cool just that room without overcooling the rest of the house. It’s a practical fix for unbalanced layouts that a central system can’t resolve without major rework.
Trusted Brands We Service in Manor
Our technicians are trained on nine major residential HVAC brands, and in Manor we install and service a lot of Daikin, Carrier, and American Standard equipment. We keep common parts stocked in our local service vehicles, so a failed capacitor or a faulty board doesn’t mean waiting a week for a shipment from Dallas. If your Manor home has a Bryant sitting outside and you’d rather stay with Bryant, we can quote that too. What we won’t do is push a brand that doesn’t fit your home’s load profile just because it’s sitting in the warehouse.
See the difference
Before
After
Before
After
Before
AfterCommon AC Installation Problems We See in Manor Homes
If you live in a Manor tract home built between about 2005 and 2018, you probably have at least one of these issues. In a ShadowGlen home, our crew found a 2016 Goodman 3-ton unit cycling on what was actually a 4-ton cooling load and a crushed flex run feeding the primary bedroom. We replaced the system with a properly sized heat pump and rehung the duct before recharging the refrigerant, and the temperature delta finally held at 20°F.
- Undersized equipment on square footage alone. Builders sized units for the floor plan, not for attic heat gain and south-facing glass. The result: a condenser that runs nonstop from June through September and still won’t hold 75 degrees.
- Leaky, sagging flex duct. Most of the ductwork in Manor’s newer subdivisions lives in the attic, where summer temperatures hit 140°F. Flex runs sag between trusses, kink at tight bends, and leak at the joints. The new high-efficiency condenser never delivers its rated airflow because the ducts won’t cooperate.
- Electrical panels that can’t handle auxiliary heat. A lot of mid-2010s Manor homes have 100-amp service. It’s enough for a basic AC and gas furnace, but a heat pump’s electric backup can push it over the edge. We flag this at the estimate stage, not after the breaker trips on the first cold morning.
- Condensers installed too close to the house. Builders often squeeze units into tight side yards with poor clearance. Restricted airflow makes the condenser work harder, run hotter, and wear out sooner. A proper install accounts for clearance and airflow, even in a small lot.
Pricing for AC Installation in Manor, TX
Here’s what you can expect in Manor right now, based on the equipment and scope we typically quote in this market:
| Service | Typical Range in Manor |
|---|---|
| AC Installation | $3,500 – $7,500 |
| Heat Pump Installation | $3,500 – $7,500 |
| Ductless Mini Split Installation | $3,500 – $7,500 |
Where you land in that range depends on the size of your home, the condition of your ductwork, whether your electrical panel needs work, and the efficiency level you choose. We hand you a written price before any work begins, and that price doesn’t change at the door. Estimates are free. Call (361) 204-1605 to schedule one.
We Also Serve Cities Near Manor
Our crews cover Manor and the surrounding area, including Pflugerville, Austin, Round Rock, and Taylor. Scheduling is coordinated from our Austin office, but the technicians who show up at your door know Manor’s neighborhoods and the issues that come with them. If you’re in one of those nearby cities and need an install, the same written pricing and 365-day workmanship guarantee apply.
Serving Manor, TX - Our Local Coverage Area
We’re based in the Manor 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 Manor
Most of these systems fail early because they were undersized from day one and installed with poor ductwork. A unit sized by square footage alone, with sagging flex duct in a 140-degree attic, runs constantly and wears out fast. The compressor and condenser never get a break, and the 10-to-12-year mark is when the failures start piling up. Call (361) 204-1605 and we’ll tell you honestly whether repair or replacement makes more sense.
In most cases, yes. If the flex duct is original from a 2000s or 2010s build, it’s probably sagging, kinked, and leaking. Reusing it means your new high-efficiency condenser never delivers rated airflow, and you’re paying for cooling you don’t get. We’ll show you the condition of your ducts during the estimate and give you a line-item price for replacement.
Yes, and it’s the right call for most Manor homes. A properly sized heat pump cools exactly like a conventional AC in summer, and it heats efficiently during the mild winters we get on the Blackland Prairie. The only common obstacle is an undersized electrical panel, which we check before quoting. Call (361) 204-1605 for a free assessment.
Sizing by square footage alone. Two-story Manor homes have uneven heat gain, with upstairs bedrooms baking in the afternoon sun while the downstairs stays cool. That calls for a Manual J load calculation that accounts for windows, insulation, and orientation, not a rule-of-thumb tonnage guess. We run that calculation on every install.
Usually it’s low refrigerant from a slow leak, combined with high humidity and a system that’s undersized for the load. The unit runs too long, the coil drops below freezing, and ice builds up. It’s a common failure in Manor’s 2010s builds, and the fix often involves locating the leak, correcting the charge, and addressing the underlying sizing or airflow issue. Call (361) 204-1605 and we’ll diagnose it properly.
Written by Victor Mancini, Owner at Coldharbour Heating & Air, serving Manor and the surrounding area.