AC Repair in Casselberry, FL | Dalton Heating & Air - Dalton Heating & Air

AC Repair in Casselberry - On-Site Today, Diagnosis First

Same-day diagnosis with the repair price given before any work starts, and an honest repair-versus-replace answer when the system is near the end of its life.

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1966+
Cities Served
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Every visit starts with

Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed

Your new heating and cooling system for as low as $119/month*on approved credit; ask for current terms

Diagnosis first, numbers second - you approve the repair price before a single part goes in.

Styles & brands we work with

AC repair
AC repair
Furnace & heating
Furnace & heating
Heat pumps
Heat pumps
Ductless mini splits
Ductless mini splits
Carrier
Carrier
Trane
Trane
Goodman
Goodman

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Fast, Reliable AC Repair Across Casselberry

When the AC quits in Casselberry, FL, it rarely picks a convenient time. Summer thunderstorms roll through Seminole County, the humidity spikes, and suddenly a system that was fine yesterday is blowing warm air across your living room. Most AC repair jobs here run $150 – $650 depending on the part and the failure, and our crews reach Casselberry neighborhoods quickly because we keep them staged across Central Florida. Call (361) 306-9515 and you’ll get a live person, day or night, who can schedule a technician to your door with a written price before any work starts.

Call (361) 306-9515

Why Dalton Heating & Air Is Casselberry’s Preferred AC Repair Company

We work under The Garrison Standard, a set of operating rules that’s been in place since 2003 across every Garrison Partners location. The Standard isn’t aspirational. It’s a checklist: arrive inside the stated window, put the price in writing before touching the unit, do the job by the book, leave the site clean, and stand behind the repair for a full year. Casselberry homeowners deal with enough variables already, from HOA requirements in newer developments to aging equipment in homes built during the 1970s and 1980s around Seminola and Lake Kathryn. The repair terms shouldn’t be one of them.

Marco Benitez leads our team, and every technician who shows up at a Casselberry door is background-checked, uniformed, and factory-trained on nine major residential brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. You know who’s coming before they arrive. If the repair fails within the year, we return at no charge. That’s the 365-Day Done Right Promise, and it’s written on every invoice we leave behind.

AC Maintenance in Casselberry

AC Maintenance in Casselberry is preventative work, not a repair call. It’s the twice-yearly service that catches a weak capacitor or a slow refrigerant leak before either one strands you on a 94-degree afternoon. Most tune-ups here run $80 – $200, and they include the checks that matter for this climate: coil condition, refrigerant pressure, electrical connections, drain line flow, and thermostat calibration. In Casselberry’s humidity, a drain line that’s half-clogged in March can overflow by June and soak a closet ceiling.

What a Full Maintenance Check Covers

Our techs open the condenser, wash or blow out the coils, check the capacitor’s microfarad rating against the manufacturer’s spec, and measure refrigerant pressures against the chart for your specific system. They also inspect the evaporator coil for the algae and debris buildup that Casselberry’s year-round growing season produces. You get a written report of what was found, with any repair recommendation priced on the spot.

When Casselberry Homeowners Should Schedule

Twice a year is the right rhythm here: once in late winter before the first heat wave, and once in early fall after the rainy season has hammered the outdoor unit. Homes near Lake Kathryn and along U.S. 17-92 see more airborne debris and pollen than average, which loads up condenser coils faster. If you’ve skipped a year or two, start now with a full tune-up and a coil inspection.

AC Service in Casselberry

AC Service in Casselberry covers both maintenance and repair calls, which is how most homeowners actually use the term. When you call and say “the AC needs service,” what you usually mean is “it’s not cooling and I don’t know why.” That’s where our diagnostic process starts, and it’s included in the service call. We don’t guess at the problem or quote a repair over the phone. A tech shows up, runs the tests, and hands you a written price. AC repair work here runs $150 – $650; what you pay depends on which part actually failed.

Repair-First Diagnostic Approach

We test before we replace. A capacitor that reads weak but still functional gets replaced for a fraction of what a compressor costs, which is the decision that protects your system in Casselberry’s humid summer cycles. When a refrigerant charge is low, we find the leak rather than just topping off the system and hoping. That’s the difference between a repair that holds and one that fails again in six weeks.

Repair Versus Replace: The Local Math

Casselberry’s climate accelerates certain failures, but it doesn’t automatically mean a new system. If your compressor is still under warranty and the failure is electrical, repair makes sense. If the compressor is ten years old, out of warranty, and you’re looking at a $1,800+ repair on a system with high energy bills, a new AC installation in Casselberry at $3,500 – $7,500 may be the cheaper decision over three to five years. We’ll show you the numbers either way, in writing, without pushing you toward the bigger ticket.

Trusted Brands We Service in Casselberry

Our techs are factory-trained on Goodman, Rheem, York, Daikin, and five other major residential brands. Casselberry homes run everything from original Rheem units in 1980s ranch houses to newer Goodman and York systems in subdivisions built in the last decade. We keep common capacitors, contactors, fan motors, and refrigerant fittings on the trucks so most repair calls finish same day. We service all nine major residential HVAC brands and stock local parts for the systems we see most often in Casselberry’s housing stock.

Common AC Repair Problems We See in Casselberry Homes

  • Weak capacitors failing during humid summer cycles. Casselberry’s afternoon thunderstorms and high humidity make compressors start against more head pressure, which stresses capacitors. A five-minute test catches a weak one before it takes out the compressor.
  • Low refrigerant charge from pinhole leaks. Rapid temperature swings between storm cells and evening cool-downs stress the copper lines and fittings. We leak-test with nitrogen and electronic sniffers before recharging, because a recharge without a leak fix just leaks out again.
  • Clogged condenser coils from year-round debris. Pollen, oak leaves, and mower clippings build up fast in Casselberry’s 12-month growing season. Coils that are 30% blocked can raise head pressure and cut cooling capacity noticeably.
  • Drain line backups and algae growth. The same humidity that makes Casselberry comfortable for people also feeds the algae that grows inside PVC condensate drains. A float switch trip shuts down the whole system, which homeowners often mistake for a compressor failure.

We recently serviced a Trane heat pump in the Lake Kathryn area where the homeowner reported weak cooling. A quick test showed a failing capacitor and a slightly low refrigerant charge. Our tech replaced the capacitor, topped off the refrigerant to spec, and the system was back to full capacity within the hour. A follow-up static pressure check confirmed the ductwork wasn’t the culprit. That’s a typical Casselberry call: electrical and charge issues, not a dead compressor.

Pricing for AC Repair in Casselberry, FL

Here’s the straight answer on what things cost in Casselberry. AC repair runs $150 – $650 depending on the part. A diagnostic service call, which is included when you proceed with a repair, covers the full system test. Tune-ups run $80 – $200. A new AC installation runs $3,500 – $7,500 depending on size, efficiency, and ductwork condition. What moves a repair from the low end to the high end is the part: a capacitor runs toward the lower end, a compressor or condenser fan motor toward the upper.

Service Typical Price Range in Casselberry
AC Repair $150 – $650
Tune-Up $80 – $200
AC Installation $3,500 – $7,500

Every price you get from us is written before the work starts. No verbal quote, no “let me check with the office,” no number that changes when the invoice arrives. Call (361) 306-9515 for a free estimate on any AC work in Casselberry.

We Also Serve Cities Near Casselberry

Our Casselberry crews also cover Winter Springs, Altamonte Springs, Maitland, and Longwood. The same written pricing, the same 365-Day Done Right Promise, and the same response time apply whether you’re off Red Bug Lake Road or closer to Lake Destiny. See our full AC Repair coverage for more details, or jump to our AC Repair in Casselberry page for specifics on this market.

Serving Casselberry, FL - Our Local Coverage Area

We’re based in the Casselberry 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 Repair in Casselberry

Why Casselberry Chooses Dalton Heating & Air

We set the standard for ac repair in Casselberry.

30-60 Min Response

Fast dispatch across Casselberry. Same-day and after-hours emergency service available.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Casselberry

Getting your ac repair handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your ac repair needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Casselberry - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local ac repair pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Casselberry Customers Say

Trusted by homeowners across Casselberry and surrounding areas.

★★★★★

"Honest, direct people. Told me what the furnace needed and nothing more, and the bill matched."

Eliza S. · Verified customer
★★★★★

"Coil cleaning and a refrigerant check before summer. AC has never been this cold."

Marty D. · Verified customer
★★★★★

"Good communication, tidy, and disciplined work. Taped off the floor and wiped the unit down."

Karen J. · Verified customer

Current Offers

Bring these savings to your next appointment.

10%

10% Off Your First Service Visit

Valid on your first completed service visit with us.

Expires Mar 31, 2027
Always

Written Price Before Any Work Starts

Expires Mar 31, 2027
Included

Written Guarantee on Every Repair

Expires Mar 31, 2027
Free

Free Second Visit if the Repair Fails

Expires Mar 31, 2027

Ready for AC Repair in Casselberry?

Call now for a free estimate - or request one below. Licensed, insured, and here with fast after-hours help in Casselberry.

(361) 306-9515

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