AC Repair in Lake Mary, FL | Dalton Heating & Air - Dalton Heating & Air

AC Repair in Lake Mary - 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.

We answer around the clock

1966+
Cities Served
Free
Written Quotes
Licensed & Insured Written Quotes Free Estimates All Brands Satisfaction Guarantee
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 Lake Mary

AC repair in Lake Mary typically runs $150 – $650, and most capacitor replacements or refrigerant recharges can be completed the same day we diagnose them. If your system has stopped cooling or is short-cycling, call (361) 306-9515 and a real person answers, day or night. We dispatch technicians who know Lake Mary’s specific housing stock, so the fix we recommend is the one that actually fits your house.

Call (361) 306-9515

Lake Mary homeowners deal with a particular split: 1980s and 1990s subdivisions like Timacuan and Heathrow still run a lot of original R-22 equipment, while the newer builds off Lake Mary Boulevard were piped for 410A or R-32 from day one. That means the same complaint – “AC isn’t cooling” – gets a different answer depending on which era your condenser came from. Our AC Repair team diagnoses the actual system in front of us, not a generic script. We’re in Lake Mary weekly, and we carry the common capacitors, contactors, and fan motors for both older and newer setups on the truck.

Key Takeaways

  • AC repair in Lake Mary runs $150 – $650, with capacitor replacement at $150 – $400 and refrigerant recharge at $200 – $650.
  • Older R-22 systems in Timacuan and Heathrow need a different repair-vs-replace conversation than newer SEER2 builds near Lake Mary Boulevard.
  • Every job gets a written price before work starts and a written guarantee for a full year, backed by the free return visit if the repair fails.
  • Live phone support, 24/7. Call (361) 306-9515 and speak to a person, not a voicemail tree.

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

Dalton Heating & Air has been operating since 2003 as a Garrison Partners company, and every call runs on The Garrison Standard: arrive inside the stated window, put the price in writing before touching a tool, and stand behind the work for a full year. Marco Benitez leads the team, and the standard is not a suggestion. It’s the operating code on every job, including the ones we run in Lake Mary.

Customers in Lake Mary call us because the technician who shows up is background-checked, uniformed, and factory-trained on nine major residential brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. That brand list matters here because Lake Mary’s older subdivisions skew heavily toward Carrier and Goodman condensers from the 1990s and early 2000s, while newer builds lean Trane and Lennox. We’re not learning the platform when we arrive.

Dispatch and scheduling for Lake Mary are coordinated from our South FL metro office, with local crews running calls across Seminole County. Response time to most Lake Mary neighborhoods is same-day for no-cooling calls, and we quote a written arrival window before the truck rolls.

AC Capacitor Replacement in Lake Mary

AC capacitor replacement in Lake Mary is one of the most common repairs we perform, and it’s also the repair homeowners get oversold on when a contractor would rather sell a full system. The capacitor is the small cylinder inside the condenser that gives the compressor and fan motor the electrical jolt to start. When it fails, the unit hums, the fan may not spin, or the compressor short-cycles. On a 2004-era Carrier in Timacuan, we see bulging capacitors all summer long.

In Lake Mary, capacitor replacement runs $150 – $400, and the job usually takes under an hour once we’re on site. We stock the common microfarad ratings for single and dual-run capacitors on the truck, so there’s no second visit for a part. Every capacitor we install gets the same written one-year guarantee as any other repair, and if it fails inside that window, the return visit is free.

Signs a Lake Mary Capacitor Is Failing

You’ll hear a hum, see the fan not spinning, or notice the system short-cycling – starting, running a few minutes, then shutting off. On hot afternoons when Florida humidity loads the condenser, a weak capacitor often won’t start the compressor at all.

Why a Capacitor Fails Faster in Lake Mary

Heat and voltage spikes are the two big killers. Lake Mary’s summer temperatures put sustained load on the condenser, and afternoon thunderstorms bring brief voltage drops that stress aging capacitors. Homes in 1980s and 1990s subdivisions tend to have original wiring runs, which makes those fluctuations worse.

AC Recharge in Lake Mary

AC recharge in Lake Mary means topping off or restoring the refrigerant charge in your system – the cooling fluid that actually pulls heat out of your house. If your system is low, it’s because refrigerant leaked out somewhere. A proper recharge in Lake Mary starts with finding and repairing the leak, then weighing in the correct charge by the manufacturer’s spec, not by guesswork.

Recharge costs in Lake Mary run $200 – $650 depending on the refrigerant type and how much charge the system has lost. R-22, still common in Timacuan and Heathrow homes from the 1990s, is far more expensive per pound than 410A or R-32, so an older system that’s lost a significant charge can push toward the top of that range. Newer systems near Lake Mary Boulevard are cheaper to recharge because the refrigerant itself costs less.

R-22 vs 410A: Why the Price Gap Is What It Is

R-22 was phased out of production years ago, so what remains is reclaimed stock, and the price reflects that. A 2004 system holding R-22 may cost more to recharge than a 2019 system holding 410A, even if the labor is identical. We quote the refrigerant cost separately and in writing before any work starts.

Low Charge vs High Static Pressure

Here’s a failure mode we see repeatedly in Lake Mary’s 1980s and 1990s builds: the system isn’t low on refrigerant at all. It’s fighting undersized or kinked ductwork that drives up static pressure. The symptom looks like a refrigerant problem – poor cooling, longer run times, higher bills – but topping off the charge won’t fix it. Our techs measure static pressure as part of a no-cooling diagnostic so you don’t pay for a recharge that wasn’t the problem.

Trusted Brands We Service in Lake Mary

We’re factory-trained on Rheem, York, Daikin, and Bryant, plus Carrier, Trane, Lennox, Goodman, and American Standard. That matters for Lake Mary homeowners because the city’s housing eras mean we see a wide spread of nameplates. A Timacuan home from 1998 might still be running an original Rheem. A Heathrow build from 2015 might have a York. A new construction off Lake Mary Boulevard might have a Daikin. We stock common parts for all of them locally, so diagnostics and repairs don’t stall waiting on a warehouse order.

Common AC Repair Problems We See in Lake Mary Homes

  • Capacitor failure on aging R-22 condensers. In older Lake Mary subdivisions like Timacuan, we replace capacitors on systems that are 15 to 25 years old. It’s a cheap part, but homeowners often get quoted a full replacement instead of a $150 – $400 repair.
  • Refrigerant charge drift on systems that were never load-calculated. If the original install sized the tonnage by square footage alone, the compressor has been working harder than it should for years. That hard work shows up as charge loss and premature wear.
  • High static pressure from undersized or kinked ductwork. This plagues 1980s and 1990s builds throughout Lake Mary. The ducts were sized for the original system, then a bigger unit got dropped in during a past replacement, and now the static pressure makes the system behave like it’s low on charge.
  • Condenser coils clogged with Florida pollen and grass clippings. Skipped tune-ups let the coil pack up until the system can’t reject heat and trips on high head pressure. Lake Mary’s oak-lined streets and landscaped lots make this a seasonal certainty without regular maintenance.

Pricing for AC Repair in Lake Mary, FL

Here’s what AC repair actually costs in Lake Mary, in writing:

Service Price Range
AC Repair (diagnostic + standard repair) $150 – $650
AC Capacitor Replacement $150 – $400
AC Recharge (refrigerant) $200 – $650
Tune-Up $80 – $200
AC Installation $3,500 – $7,500

What pushes a repair toward the top of the range is usually the refrigerant type, the part itself, or the age of the system. What doesn’t change is our process: the price is in writing before any work starts, and it doesn’t change at the door. Estimates for repair work in Lake Mary are free. Call (361) 306-9515 for an exact quote.

We Also Serve Cities Near Lake Mary

Our crews regularly run calls in Longwood, Sanford, Altamonte Springs, and Winter Springs, so if you’re just over the Lake Mary line in any direction, the same written pricing and same-day no-cooling response applies. Same teams, same guarantee, same truck stock.

Serving Lake Mary, FL - Our Local Coverage Area

We’re based in the Lake Mary 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 Lake Mary

Call Dalton Heating & Air for AC Repair in Lake Mary

If your AC is struggling in Lake Mary, call (361) 306-9515 for a free estimate. The price goes in writing before any work starts, the repair is guaranteed for a full year, and if it fails inside that year, we return at no charge. Marco Benitez and the Dalton team work to The Garrison Standard on every job: show up inside the window, price it in writing, do the work by the book, leave the site clean, and stand behind it. That’s the deal, every time.

Written by Marco Benitez, Owner at Dalton Heating & Air, serving Lake Mary and Seminole County.

Why Lake Mary Chooses Dalton Heating & Air

We set the standard for ac repair in Lake Mary.

30-60 Min Response

Fast dispatch across Lake Mary. 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 Lake Mary

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 Lake Mary - 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 Lake Mary Customers Say

Trusted by homeowners across Lake Mary and surrounding areas.

★★★★★

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

Karen J. · Verified customer
★★★★★

"Installed a heat pump to replace an old oil furnace. Three clear quotes and the install crew was tidy."

Cheryl B. · Verified customer
★★★★★

"Tech arrived in uniform right on time. AC wasn't cooling, found a failed capacitor, and replaced it in twenty minutes. The owner is a veteran and the company runs like it."

Frank O. · 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 Lake Mary?

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

(361) 306-9515

Request a Free Estimate in Lake Mary

Tell us about your ac repair needs - we'll respond within the hour.

By requesting your free estimate, you agree to the terms of our Privacy Policy and agree to be contacted through phone, text, or email regarding your service needs, including from the affiliated professionals who may take on the job.

Prefer to text? Text Us
Areas We Serve
Call Now - 24/7 Dispatch