AC Replacement in Sunnyvale, TX
Three flat-rate residential replacement tiers, $8,000-$20,000+. R-454B / R-32 only. Frosty Thermostat free. Licensed TACLA126718E. Financing with $0 down on approved credit.
How Much Does AC Replacement Cost in Sunnyvale?
AC replacement in Sunnyvale runs $8,000-$20,000+ depending on tier, tonnage, and ductwork condition. All three tiers are flat-rate — the price I quote during the free in-home estimate is the price you pay at install. Financing available with $0 down on approved credit.
Stay Cool
Goodman · 15 SEER2 · Single-stage
1-year labor warranty
- Frosty Thermostat (smart WiFi thermostat)
- New disconnect box
- Electrical whip
- Overflow condensate shutoff
Stay Frosty
Carrier · 18 SEER2 · Dual-stage
2-year labor warranty
- Everything in Stay Cool
- Ductwork inspection + sealing (up to 5 connections)
It's A Frosty Life
Trane · 20+ SEER2 · Variable speed
5-year labor warranty
- Everything in Stay Frosty
- Full ductwork inspection + sealing
- Vibration isolation mounts
- 1-year Frosty Club included ($99 value)
Add-on: 10-Year Labor Warranty +$3,500
Adjustments: Electric system −$1,000 · Heat pump +$2,000
Financing Available
$0 down on approved credit through Optimus, Synchrony, GreenSky. A $12,000 Stay Frosty at 9.99% for 120 months runs about $159/month. 50% deposit required at booking.
See Financing OptionsWhat's Included With Every Sunnyvale AC Replacement?
Every tier — Stay Cool, Stay Frosty, It's A Frosty Life — includes the same baseline package. No bait-and-switch, no surprise add-ons at install. Here's exactly what you get.
Why SunnyvaleHomeowners Choose Frosty's for AC Replacement
Sunnyvale AC replacement is one of our more involved jobs because every home sits on at least an acre and most homes are 3,500-6,500 sqft estate customs. Pheasant Creek, Long Creek Ranch, Estates of Sunnyvale, and Hunter's Glen homes almost always run dual-zone HVAC or two independent systems — one for upstairs, one for downstairs, or one per wing on sprawling single-story customs. Sizing these correctly is not a rule-of-thumb job. We run a full Manual J load calculation for every Sunnyvale replacement, accounting for square footage per zone, window orientation, ceiling height, and duct capacity.
Most Sunnyvale replacements land on Stay Frosty (Carrier 18 SEER2 dual-stage) or It's A Frosty Life (Trane 20+ SEER2 variable speed). On 5,000+ sqft estate homes with 4-5 ton loads per zone, the variable-speed modulation genuinely pays back — the system can dial down to 30-40% capacity on a mild afternoon instead of slamming on and off, which is meaningfully quieter and better for humidity control. Heat pump systems are a rare sell in Sunnyvale because most homes have natural gas or propane service and gas heat runs cheaper across the 20-30 annual freeze nights, but we run both numbers so customers see the 10-year cost math.
Every Sunnyvale replacement includes: Frosty Thermostat (our smart WiFi thermostat — not Nuve), new disconnect box, electrical whip, overflow condensate shutoff, condensate drain treatment, copper line inspection and replacement on long runs if needed, Town of Sunnyvale permit, and full cleanup/haul-away. Labor warranty scales with tier: 1-year on Stay Cool, 2-year on Stay Frosty, 5-year on It's A Frosty Life. Financing through Optimus, Synchrony, and GreenSky — $0 down on approved credit.
Neighborhoods we serve in Sunnyvale: Pheasant Creek, Long Creek Ranch, Estates of Sunnyvale, Hunter's Glen, Sunnyvale ISD area
Why Our Credentials Matter for AC Installation
TACLA126718E
Texas HVAC Contractor License held by Mariafernanda Jacobo. Every install permitted under this license with the TDLR.
EPA 608 Universal
Omar Jacobo, #2396328. Required by the U.S. EPA for all new R-454B and R-32 installs under the 2025 refrigerant phase-down.
ENERGY STAR Partner
All three tiers meet or exceed ENERGY STAR SEER2 minimums. Stay Frosty and It's A Frosty Life qualify for utility rebates in many ERCOT territories.
Learn more about our credentials on our About page or visit omar-jacobo.com.
AC Replacement FAQ for Sunnyvale, TX
How much does a new AC system cost in Sunnyvale, TX?
Flat-rate pricing by tier: Stay Cool (Goodman 15 SEER2) $8,000-$14,000, Stay Frosty (Carrier 18 SEER2 dual-stage) $12,000-$18,000, It's A Frosty Life (Trane 20+ SEER2 variable speed) $16,000-$20,000+. Heat pump adds $2,000; 10-year labor warranty adds $3,500. Dual-system Sunnyvale estates are priced per system. Total range: $8,000-$26,000.
What SEER rating do you recommend for a Sunnyvale estate home?
For 3,500-6,500 sqft Pheasant Creek, Long Creek Ranch, or Estates of Sunnyvale customs, I typically recommend 18 SEER2 dual-stage (Stay Frosty) at minimum, with a strong case for 20+ SEER2 variable speed (It's A Frosty Life) on larger homes. Variable speed shines at partial load, which is how big Sunnyvale estates actually operate — 30-40% capacity most of the day. Oncor bill savings can run 20-30% over 15 SEER2 baseline.
My Long Creek Ranch home has two independent AC systems — do I replace both?
Not always. If both systems were installed at the same time and are roughly the same age, replacing together gets you matched equipment and matched warranties. But if one is 18 years old and the other is 10, we replace the older one now and plan for the second in 5-7 years. We run a Manual J on each zone and quote independently.
How long does AC installation take in Sunnyvale?
Standard single-system replacement is one full day (8-10 hours). Dual-system Sunnyvale estates or jobs requiring long-line-set replacement can take 2-3 days. We pull the Town of Sunnyvale permit before we start and the inspector typically comes out within 2-3 weeks. Long line-set runs on 1-acre lots add time — we plan access paths before install day.
Do you offer financing for AC replacement in Sunnyvale?
Yes — Optimus, Synchrony, and GreenSky with $0 down on approved credit. 50% deposit at booking, balance on completion. Applications take 5 minutes and most Sunnyvale homeowners get approved same-day.
Related Services & Resources
Ready for a New AC System in Sunnyvale?
Free in-home estimate. Flat-rate pricing. $0 down financing on approved credit. Installation typically within 1-2 weeks.
Written by Omar Jacobo, EPA 608 Universal Certified Lead Technician at Frosty's HVAC LLC. Licensed TACLA126718E. Frosty Club Basic $99/yr · Premium $300/yr.
Written by
Omar Jacobo
EPA 608 Certified Technician (#2396328) | Co-Owner, Frosty's HVAC LLC
Omar has been serving local homeowners since 2018. Learn more
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