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 Maintenance Across Longwood
AC maintenance in Longwood, FL typically costs $80 – $200 for a professional tune-up and should be scheduled twice yearly, with extra attention to humidity-related wear given the area’s subtropical climate. We’re the AC Maintenance team at Brandt HVAC, and we keep systems running strong through Longwood’s brutal summers. Dispatch and scheduling run through our Miami office, but our crews live and work right here in Seminole County. We know the difference between a Sabal Point ranch and a Wekiva River basin home, and we know what each demands from its cooling system. When you call (984) 538-9003, a live person answers, 24 hours a day. We’ll tell you exactly who we’re sending, send their photo and name beforehand, and they’ll show a Threshold Verified badge at your door.
Why Brandt HVAC Is Longwood’s Preferred AC Maintenance Company
We’ve built our reputation in Longwood by showing up on time, naming the price in writing before touching anything, and standing behind our work with the 365-Day Done Right Promise. Homeowners here tell us the same thing: they used to dread opening the door to a stranger. That’s why we background-check and identity-verify every technician through our Threshold Verified standard, then introduce them by name and photo before every visit.
Our response time to Longwood neighborhoods runs same-day to next-day for standard maintenance calls, because we keep parts stocked for the Goodman, Rheem, and York systems common in local subdivisions. We understand that a failed AC in July isn’t uncomfortable, it’s genuinely dangerous for older residents and young children. When we dispatch to Longwood, we know we’re heading into 1970s – 80s housing stock with original ductwork, not newer construction with sealed attics and modern insulation.
Devin Marlowe leads our local operations, and every written guarantee that leaves our trucks carries his name and our promise: if the repair fails, we return at no charge. No argument, no additional fee.
HVAC Maintenance Service in Longwood
HVAC Maintenance Service in Longwood means more than swapping a filter and checking refrigerant levels. Our visits address the specific failures this market produces: duct leakage from unsealed flex-duct collars, microbial growth on coils from Wekiva basin humidity, and condensate lines that clog faster here than in drier Seminole County communities like Lake Mary. A typical tune-up in Longwood runs $80 – $200, with the exact figure depending on system age, accessibility, and whether we find issues that need correction.
We recommend Longwood homeowners schedule this service in March, before the sustained cooling season begins, and again in October after the hardest months have passed. Homes near the Wekiva River floodplain may need quarterly condensate line checks given the ambient moisture load.
What Our Maintenance Visit Covers
We test refrigerant charge, measure temperature split across the evaporator coil, inspect electrical connections for heat damage, and run a static pressure reading that often reveals duct leakage before we ever enter the attic. We also check the condensate pump and drain path, because we’ve seen too many Longwood ceilings stained from backed-up lines that a simple blow-out would have prevented.
Written Report, No Pressure
You’ll get a written report of everything we found, with photos if there’s damage or wear. Our technicians aren’t paid on what they sell, so when we recommend a repair, it’s because your system actually needs it. The price comes in writing before any work starts.
HVAC Tune Up in Longwood
HVAC Tune Up in Longwood is the preventive service that catches small problems before they become $400 compressor calls or complete system failures in August. We focus on the components that degrade fastest in this climate: capacitor tolerance, contactor pitting, blower motor amp draw, and the condenser coil’s ability to reject heat when outdoor temperatures hit 95°F with 80% relative humidity. A standard tune-up runs $80 – $200, same as our full maintenance service, because we don’t believe in upselling a “deluxe” version of basic care.
Longwood’s older homes along SR 434 and US 17-92 corridors often have systems working harder than designed because of duct leakage and poor insulation. A tune-up without addressing those conditions is like tuning a car with flat tires. We measure and report, so you know the full picture.
Electrical Safety Check
Many pre-1990 Longwood panels can’t handle the inrush current of modern high-SEER2 equipment. During our tune-up, we check breaker sizing and wire condition, flagging any panel that would trip under a new system’s load. This isn’t scare tactics. We’ve replaced compressors that failed because the breaker was undersized and cycling on overload.
Humidity-Specific Adjustments
We verify that your blower speed and refrigerant charge are optimized for latent heat removal, not just temperature drop. In Longwood’s northern neighborhoods, a system that cools to 72°F but leaves humidity at 65% is failing you. We adjust for comfort, not just a number on the thermostat.
Trusted Brands We Service in Longwood
We maintain Goodman, Rheem, York, Daikin, and every other major residential brand you’ll find in Longwood subdivisions. Our trucks carry common capacitors, contactors, and refrigerant for these systems, so most maintenance visits don’t require a return trip for parts. The Goodman and Rheem units installed in 1990s Sabal Point builds are now hitting their third decade, and we know the failure patterns: weak blower motors, cracked drain pans, and the occasional leaking R-22 system that needs careful handling. We stock R-410A and the newer R-454B transition refrigerants, and we’ll tell you honestly when a system is worth maintaining versus when replacement makes more sense. For York and Daikin systems, we keep proprietary control boards and sensors on hand because Longwood’s lightning season fries electronics with depressing regularity.
Common AC Maintenance Problems We See in Longwood Homes
- Original flex-duct failure in Sabal Point and 1970s – 80s subdivisions. The fiberglass runs were never mastic-sealed at the plenum collar, so collars separate, attic air leaks in, and rooms never reach setpoint. We measure 20 – 30% leakage routinely. The system runs longer, the compressor works harder, and your electric bill climbs.
- Microbial growth and condensate clogs from Wekiva basin humidity. Northern Longwood’s proximity to wetlands pushes outdoor moisture higher than inland Seminole County neighbors. Evaporator coils grow mold and mildew that restrict airflow, and condensate lines biofilm over until they back up into the pan or the ceiling below.
- Electrical panels undersized for modern equipment. Pre-1990 homes often have 100-amp panels with limited breaker space. A straight swap to a high-SEER2 system can trip breakers on startup, or worse, overheat undersized wiring. We check this before quoting any replacement.
- Single-zone systems fighting unbalanced floor plans. Longwood’s 1980s ranches and split-levels were designed for one thermostat and one duct trunk. Master suites added later, enclosed patios converted to living space, these changes overload the original zoning. We identify the imbalance and discuss real solutions, not just a bigger unit.
Pricing for AC Maintenance in Longwood, FL
We publish our prices because nobody should have to invite a stranger into their home just to learn what something costs.
| Service | Price Range in Longwood |
|---|---|
| Tune-Up / Maintenance Visit | $80 – $200 |
| AC Repair (if issue found during maintenance) | $150 – $650 |
| AC Installation (if replacement needed) | $3,500 – $7,500 |
What moves you within these ranges? System accessibility matters, a unit buried in a hot Longwood attic with 14 inches of clearance takes longer to service safely. The age and condition of existing components affects whether we find worn parts that need addressing. And duct leakage testing, which we strongly recommend for pre-1990 homes, adds time but delivers actionable data.
Every price is written and approved by you before work begins. No exceptions. Estimates are free, and there’s no obligation. Call (984) 538-9003 to schedule.
We Also Serve Cities Near Longwood
Our Seminole County crews also handle AC Maintenance in Longwood neighboring communities, including Lake Mary, Altamonte Springs, Casselberry, and Winter Springs. Each area has its own housing stock and climate quirks, Lake Mary’s newer construction presents different challenges than Longwood’s older subdivisions, and we adjust our approach accordingly. Same Threshold Verified standard, same written pricing, same live-answer phones no matter which city you’re calling from.
Serving Longwood, FL - Our Local Coverage Area
We’re based in the Longwood 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 Maintenance in Longwood
If your system still can’t hold setpoint after maintenance, the problem is usually duct leakage or insufficient insulation, not the unit itself. In Longwood’s Sabal Point and similar 1970s – 80s subdivisions, we regularly find 20 – 30% air loss through unsealed flex-duct collars in 140°F attics. A tune-up fixes the equipment, but it can’t force air through disconnected ducts. We recommend a duct-leakage test to find the real culprit. Call (984) 538-9003 and we’ll measure it, estimates are free.
Longwood’s northern neighborhoods near the Wekiva River basin experience higher ambient humidity than drier inland Seminole County communities, which increases latent load on your system and accelerates microbial growth on evaporator coils. Condensate lines clog faster here, drain pans corrode quicker, and coil insulation degrades sooner. We address this by checking condensate flow and cleaning coils more aggressively than we would in a drier climate. Quarterly maintenance may be warranted for homes in the highest-humidity zones.
A straight like-for-like swap often disappoints in older Longwood homes because the original ductwork and electrical panel weren’t designed for modern equipment. We regularly find pre-1990 panels that can’t handle a high-SEER2 system’s inrush current, and flex-duct leakage that would waste 20 – 30% of a new unit’s capacity. Before any replacement quote, we test duct integrity and verify electrical capacity. Sometimes the panel needs upgrading first. Sometimes the ducts need sealing. We tell you upfront so you’re not surprised mid-project.
Twice yearly, March and October, for most Longwood homes. Homes in the Wekiva River basin humidity zone or with systems over 15 years old should consider quarterly condensate line checks. The sustained cooling demand from March through November here means your system runs harder and longer than in cooler climates, so preventive care isn’t optional, it’s cost avoidance. A $150 tune-up that prevents a $650 compressor repair pays for itself four times over.
SEER2 systems use a more realistic testing standard that better reflects actual Florida conditions, including the high static pressure from Longwood’s often-restrictive ductwork. The efficiency gains are real, but only if your ducts and electrical panel can support the equipment. We won’t sell you a SEER2 unit without first verifying your home’s readiness, because an efficient system connected to leaky 1982 ductwork is still wasting energy. We’ll give you a written plan that addresses the whole system, not just the box outside.
Written by Devin Marlowe, Owner at Brandt HVAC, serving Longwood and Seminole County since 2003.







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