4.9 stars · 94 Google reviews

AC Tune-Up & Maintenance in Sunnyvale, TX

Keep your Sunnyvalehome comfortable year-round with professional HVAC maintenance from Frosty's HVAC. Family-owned since 2018. Licensed TACLA126718E. EPA certified.

(469) 254-0548 Request Service

Licensed TACLA126718E

EPA 608 Certified

Family-Owned Since 2018

94 Reviews · 4.9 Stars

Tune-Up Pricing for Sunnyvale Homeowners

Flat-rate pricing — no surprises, no hidden fees. Frosty Club members save on every service.

Diagnostic

$85

Member: $72.25

Waived with any repair. Full system evaluation to identify issues before they get expensive.

Basic Tune-Up

$150

Member: $127.5

21-point inspection, coil cleaning, refrigerant check, electrical testing, safety verification. 45-60 minutes.

Super Tune-Up

$1,300

Member: $1,105

Deep clean — pull evaporator coil, clean blower motor, recharge R-454B refrigerant. 2-3 hours.

Save More with Frosty Club

Basic ($99/yr):10% off all services | Premium ($300/yr): 15% off + $500 repair credit + 2 free tune-ups

Join Frosty Club

Our 21-Point Tune-Up Inspection

Every tune-up includes a thorough 21-point inspection. We check every component so nothing gets missed.

Thermostat calibration & testing

Refrigerant level check (R-454B only)

Condenser coil inspection & cleaning

Evaporator coil inspection

Blower motor performance test

Electrical connection tightening

Capacitor testing

Contactor inspection

Safety controls verification

Compressor amperage check

Supply & return temperature split

Condensate drain line flush

Air filter inspection

Ductwork visual inspection

Gas valve check (heating)

Ignitor & flame sensor check

Heat exchanger inspection

Fan blade inspection & cleaning

Outdoor unit clearance check

System cycle test

Full performance report

HVAC Maintenance for Sunnyvale Homeowners

Sunnyvale estate homes earn twice-a-year tune-ups hard. Pheasant Creek, Long Creek Ranch, Estates of Sunnyvale, and Hunter's Glen sit on 1-acre-minimum lots where outdoor condensers catch more pollen, cottonwood seed, and open-lot dust than any suburban condenser. That debris loads condenser coils fast, drives head pressure up, and stresses compressors on 105°F afternoons. Add in long refrigerant line sets (60-100 feet is common) that concentrate charge precision issues, and the equipment in Sunnyvale works genuinely harder than equipment in denser neighborhoods.

Our Sunnyvale basic tune-up covers 21 check points: evaporator and condenser coil cleaning (extra important in open-lot Sunnyvale), refrigerant level check against manufacturer spec with leak detection if low (we never top off hermetic systems), capacitor microfarad test, contactor inspection, condensate drain flush and float switch test, thermostat calibration including communicating pairing, blower wheel and motor amp draw, electrical connection torque check, zoning damper actuator verification on multi-zone systems, and full CO test at a supply register on gas systems. I fill out the inspection report in front of you and explain every finding. Basic tune-up is $150 flat ($127.50 for Frosty Club Basic members).

For Sunnyvale homes whose systems haven't been serviced in 3+ years — common after a home changes hands — the super tune-up ($1,300, $1,105 for members) is the right call. We pull the evaporator coil and blower assembly, deep-clean both, leak-check and recharge refrigerant to spec per EPA 608 rules (no gas-and-go — HVAC systems are hermetic), and restore the system to factory performance. On a neglected 7-10 year old Sunnyvale system this typically recovers 15-25% of lost efficiency.

Neighborhoods we serve in Sunnyvale: Pheasant Creek, Long Creek Ranch, Estates of Sunnyvale, Hunter's Glen, Sunnyvale ISD area

Tune-Up FAQ for Sunnyvale, TX

How often should I service my HVAC in Sunnyvale?

Twice a year — spring AC tune-up in March-April before the 100°F stretches, fall heating tune-up in September-October before the first freeze. Sunnyvale's open-lot condensers and long line sets work harder than suburban equipment, so twice-a-year maintenance pays back more here than most cities. Frosty Club Premium ($300/yr) includes both tune-ups.

What does an HVAC tune-up include in Sunnyvale?

Basic tune-up ($150, $127.50 for members) covers: coil cleaning (extra thorough on open-lot Sunnyvale condensers), refrigerant check, capacitor and contactor testing, condensate drain flush and float test, thermostat calibration, electrical check, blower motor amp draw, zoning damper verification on multi-zone systems, and CO test on gas systems. I write up the inspection in front of you and explain every finding.

Is the Frosty Club worth it for Sunnyvale homeowners?

For most Sunnyvale homeowners, absolutely — especially for dual-zone estate homes in Pheasant Creek, Long Creek Ranch, and Estates of Sunnyvale. Premium at $300/yr gets you 2 tune-ups (worth $300), $500 off any repair, 15% off parts, and priority scheduling during 105°F heat waves. One compressor replacement saves you $1,000+ in a single call.

What's a super tune-up and do I need one in Sunnyvale?

Super tune-up ($1,300, $1,105 for members) is a deep-clean for systems that haven't been serviced in 3+ years — common on open-lot Sunnyvale estates where owners assume the condenser is fine because it's out of sight. We pull the evaporator coil and blower, scrub them clean, leak-check and recharge refrigerant to spec (no gas-and-go — HVAC is hermetic), and restore factory performance. On neglected 7-10 year old Sunnyvale systems, typically recovers 15-25% efficiency.

When should I schedule my AC tune-up in Sunnyvale?

March through April is ideal — before summer heat. This catches problems early when equipment is easier to service. Heating tune-ups are best in September-October before the first freeze. Book early — our spring and fall schedules fill 2-3 weeks out. Call (469) 254-0548.