Seasonal 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.
Fast, Reliable AC Installation Across Hornsby Bend
AC installation in Hornsby Bend typically runs $3,500-$7,500 for a complete system replacement, and most jobs are scheduled within a few business days after your free in-home estimate. We’re familiar with the unique demands of this unincorporated Travis County community, from the Colorado River bottomland humidity that strains every cooling system to the permitting process that runs through Travis County Development Services rather than Austin Code. Our AC Installation team dispatches from our Austin coordination office and serves Hornsby Bend directly, with crews who know the area’s mix of older ranch homes, manufactured housing, and newer rural builds. Call (817) 402-2972 for a written, upfront price before any work begins.
Why Coldharbour Heating & Air Is Hornsby Bend’s Preferred AC Installation Company
We’ve been serving Central Texas since 2003 as an independently owned and operated member of the Kingswell network, and Hornsby Bend has always been part of our territory. The Kingswell Way means we say the price before the work starts, show up in the window we promised, leave your place cleaner than we found it, put every guarantee in writing, and come back if it fails. That matters here, where many homes sit on larger lots with aging flex-duct systems routed through attics that hit 140°F or higher in July and August.
Our technicians are background-checked, uniformed, and trained on nine major residential HVAC brands including Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We don’t send a subcontractor who might not return. Every repair carries our 365-Day Done Right Promise: a written guarantee that if the repair fails within a full year, we come back and correct it at no charge. No argument, no additional invoice.
Phones are answered by a live person 24 hours a day, 7 days a week. No voicemail trees, no “call back during business hours.” When your AC quits in a Hornsby Bend August and the indoor humidity is climbing past 70%, you reach a human who can dispatch help.
Furnace Installation in Hornsby Bend
Furnace Installation in Hornsby Bend requires special attention because natural-gas infrastructure is sparse in this unincorporated area, so our technicians regularly install propane-based and dual-fuel heat-pump systems that are uncommon just a few miles west in Austin proper. A typical furnace installation in Hornsby Bend runs $3,500-$7,500, which includes the unit, necessary venting or combustion-air modifications, and all labor. We size every system with a Manual J load calculation that accounts for your home’s actual envelope, not just square footage.
Propane and Dual-Fuel Options
Many Hornsby Bend properties lack city gas lines. We install propane furnaces with proper tank coordination, or dual-fuel systems that pair a heat pump with a propane furnace for efficient heating below 35°F. Either way, you get a written fixed price before we start.
Post-Freeze Recovery Installations
After February 2021’s Winter Storm Uri knocked out heat for rural homes without city-grid backup, we’ve replaced numerous heat exchangers cracked by overworked systems and installed new furnaces for homeowners who vowed never to be caught cold again. Every installation includes a written startup report and combustion analysis.
HVAC Installation in Hornsby Bend
HVAC Installation in Hornsby Bend means more than swapping a box on a pad. The Colorado River floodplain traps humidity at ground level, pushing latent (moisture) loads well above what upland Travis County properties experience. A new system sized only for sensible heat will leave your indoor relative humidity above 60%, inviting mold and generating “AC not cooling” callbacks that aren’t the unit’s fault. We engineer for both temperature and moisture removal.
Load Calculation and Duct Sealing
We recently installed a 3-ton Carrier heat pump with a MERV-13 media cabinet and whole-home dehumidifier for a 1970s ranch home off Hornsby Bend Road, where the existing flex duct in the attic was leaking enough that static pressure was killing airflow. After a Manual J load calculation showed the old 4-ton unit was oversized for the actual latent load, we sealed the duct system, set the refrigerant charge by subcooling, and the homeowner finally stopped calling us every August about a frozen evaporator coil.
Flood-Resilient Design
Because Hornsby Bend sits adjacent to the Colorado River, we specify raised pad heights where grading allows, corrosion-resistant coated coils, and disconnect locations above typical flood lines. After a flood event, we inspect before energizing. Never switch on a submerged condenser without a full dry-out and capacitor test. Silt and moisture in the coil and electrical compartment can short the compressor and turn a recoverable unit into a total loss.
Trusted Brands We Service in Hornsby Bend
Our technicians carry training certifications for Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. For Hornsby Bend customers, we stock common Goodman and Rheem parts locally to cut wait times when a capacitor or contactor fails in peak season. Daikin mini-split components are increasingly popular for the area’s manufactured homes and garage conversions where duct extension isn’t practical. We don’t push one brand. We match the equipment to your home’s construction, your budget, and the local conditions that stress it.
Common AC Installation Problems We See in Hornsby Bend Homes
- Flooded condensers after river rises. The Colorado River bottomland sees periodic flooding that submerges outdoor units. Silt packs the coil fins, moisture corrodes electrical connections, and capacitors fail when energized wet. We dry, test, and often recommend a raised replacement pad.
- Power-surge damage from rural overhead lines. Hornsby Bend’s rural electrical infrastructure and frequent storms send voltage spikes through outdoor units and thermostats. Without a whole-home surge protector, control boards and blower motors fail at install or shortly after. We evaluate your panel and recommend protection before the new system goes live.
- Undersized dehumidification on new installs. Contractors who size only for temperature in this humid microclimate leave homeowners with clammy indoor air and mold issues. We calculate latent load separately and specify dedicated dehumidification or variable-speed equipment when needed.
- Aged flex-duct collapsing in 140°F attics. Many Hornsby Bend homes, especially older ranch and manufactured housing, have attic ductwork that has sagged, torn, or disconnected. We inspect every foot with a camera and seal or replace before connecting new equipment. Blowing cold air into a 140°F attic through leaking ducts is throwing money away.
Pricing for AC Installation in Hornsby Bend, TX
Most complete AC installations in Hornsby Bend fall between $3,500 and $7,500, including equipment, pad, electrical, refrigerant lines, and startup. Furnace installations run the same range. What moves you within that band: the SEER rating you choose (14 SEER minimum, 16-18 SEER for better humidity control), whether your duct system needs sealing or replacement, if you add whole-home dehumidification or air filtration, and whether electrical or gas-line work is required.
| Service | Typical Range in Hornsby Bend |
|---|---|
| AC Installation | $3,500-$7,500 |
| Furnace Installation | $3,500-$7,500 |
| AC Repair | $150-$650 |
| Furnace Repair | $150-$700 |
| Tune-Up | $80-$200 |
We hand you a written price before a single tool comes out of the truck. That price does not change at the door. Estimates are free, and we encourage you to compare our written quote against anyone else’s. Call (817) 402-2972 to schedule yours.
We Also Serve Cities Near Hornsby Bend
Our crews work throughout Central Texas, and we regularly install systems in Hornsby Bend as well as Houston, San Antonio, Dallas, and Fort Worth. Dispatch and scheduling are coordinated from our Austin office, with local technicians assigned to each area so you’re not waiting for a crew driving from two hours away.
Serving Hornsby Bend, TX - Our Local Coverage Area
We’re based in the Hornsby Bend 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 Hornsby Bend
No. A flooded condenser must never simply be switched back on. Silt and moisture sit in the coil fins and capacitor compartment, and energizing the unit can short the compressor and destroy a potentially recoverable system. We dry the unit completely, test the capacitor and contactor with a multimeter, inspect the refrigerant charge for contamination, and only then recommend whether to repair or replace. Call (817) 402-2972 for a flood-damage assessment.
Your old system was probably oversized and ran short cycles that never pulled moisture from the air, leaving you cold and clammy. Hornsby Bend’s Colorado River bottomland location creates a measurably more humid microclimate than upland Austin suburbs. Modern code-minimum efficiency standards and proper Manual J sizing produce longer, more efficient cycles that control temperature beautifully but need help with latent load. A dedicated dehumidifier or variable-speed system keeps indoor relative humidity below 55%, protecting your home and your comfort.
Travis County Development Services issues HVAC permits for Hornsby Bend, not Austin Code. Because Hornsby Bend is unincorporated Travis County, the process differs from in-city jobs. We handle the permit application, inspection scheduling, and final approval as part of every installation. You don’t need to visit the county office or decipher the paperwork.
Yes. Natural gas is sparse in this area, so we regularly install propane-fired furnaces paired with heat pumps for dual-fuel efficiency, or standalone cold-climate heat pumps with auxiliary electric heat. We’ll review your propane tank situation or electrical panel capacity and recommend the most cost-effective heating strategy for your specific property. Every option comes with a written fixed price.
Size follows load, not square footage alone. Manufactured homes often have thinner walls, single-pane windows, and duct systems that leak more than site-built construction. We perform a Manual J calculation that accounts for your home’s orientation, insulation, window quality, and duct condition. Many manufactured homes in Hornsby Bend benefit from a slightly smaller unit than the original factory spec, paired with duct sealing and a dehumidifier, rather than a straight-tonnage replacement. Call (817) 402-2972 for a free estimate with exact sizing.
Ready to replace your AC in Hornsby Bend? Call (817) 402-2972 for a free, written estimate with no obligation. We’ll inspect your home, explain your options, and give you a fixed price before any work begins. Live person answering, day or night.
Written by Victor Mancini, Owner at Coldharbour Heating & Air, serving Hornsby Bend since 2003.







Before
After
Before
After
Before
After