Dalton Heating & Air hvac team

HVAC Company in Middleburg - On-Site Today, No Overtime Charge

Same-day heating and cooling service with the price agreed before we start, and no overtime surcharge for evenings or weekends. Licensed, insured, EPA-certified technicians.

✓ Licensed & Insured ✓ Written quotes ✓ Permits handled
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We answer around the clock

🛡 Licensed & Insured 📝 Written Fixed-Price Quotes 💲 No Change Orders · Free Estimates
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

HVAC Company in Middleburg, FL

Middleburg runs hard on central air. Summer heat and humidity here don’t take a day off from May through October, so when a system fails, it fails at full load: a heat pump or AC unit cycling constantly against 90-degree afternoons and wet, swampy air. Furnaces are less common in Middleburg than in north Florida, but plenty of homes in the older stretches of town still rely on them for the handful of genuinely cold nights that blow through Clay County each winter. We’re Dalton Heating & Air, and we handle repair and replacement work across Middleburg under The Garrison Standard: written pricing before any work begins, a written guarantee on every repair, and a real person answering our phones at (361) 306-9515 any hour you call.

Call (361) 306-9515

Why Middleburg Homes Are Different

Middleburg sits southwest of Jacksonville in Clay County, close enough to the St. Johns River to catch its humidity, far enough inland that the breeze doesn’t always save you. Homes here span a wide range: ranch houses from the 1970s and 1980s along Russell Road and Alligator Boulevard, newer subdivisions south toward Camp Blanding, and scattered properties out toward Fords Creek and the Black Creek corridor. That mix matters for HVAC work. Older homes often run ductwork in unconditioned attics where summer temperatures hit 130 degrees or worse, which strains air handlers and shortens blower motor life. Newer construction tends to be tighter, but undersized returns and builders’ grade equipment are common complaints we hear from homeowners.

Another Middleburg reality: dirt. Clay County has the soil its name suggests, and outdoor condensers sit low enough that grass clippings, pollen, and wind-blown sand collect on the coil faster than the manufacturer ever estimated. A coil that’s fouled runs hotter, draws more current, and dies younger. We factor that into every repair and installation we quote in Middleburg, and we explain it plainly enough that a homeowner can check it themselves without touching the electrical side of the unit.

Our Main Middleburg Services

Most calls we take in Middleburg are one of two things: an air conditioner that stopped cooling, or a homeowner asking what a replacement system should actually cost. Every one of those jobs has its own Middleburg page with the details, the price ranges, and the guarantees spelled out.

AC Repair in Middleburg

Middleburg’s humidity finds weak points. Capacitors, contactors, and blower motors work hardest in August, and a unit that’s been limping through spring will quit entirely once the afternoon heat piles on. Our service page covers what a AC Repair in Middleburg visit includes: the written quote, the likely part cost, and what we do when a repair doesn’t hold. If your system is short cycling, frozen over, or blowing warm, start there.

AC Repair in Middleburg

Heat Pump Installation in Middleburg

Heat pumps do double duty in Middleburg: cooling all summer, heating briefly on the cold snaps. Sizing matters more here than in drier climates, because a unit that can’t pull humidity out of the air leaves a house feeling damp even at a cool temperature. The Heat Pump Installation in Middleburg page walks through sizing, pricing, and what a written installation quote includes before any equipment is ordered.

Heat Pump Installation in Middleburg

Furnace Repair in Middleburg

Even a Florida winter sends a few nights into the thirties, and when a furnace fails it’s usually on the first cold evening of the season. Middleburg older homes with gas and electric furnaces account for most of these calls. The Furnace Repair in Middleburg page covers common failures, honest price ranges, and how we handle heat during a repair window.

Furnace Repair in Middleburg
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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Middleburg

Our technicians are factory-trained on the equipment Middleburg homes actually run: Goodman, Rheem, York, and Daikin among the major brands we see and stock parts for. That covers most of the units installed in this area over the last 20 years, and it means we rarely have to order a part and reschedule. Our brands coverage spans nine major residential lines total, and the same written guarantee applies no matter what name is on the cabinet.

Pricing for HVAC Company in Middleburg, FL

Service Typical range in Middleburg
AC repair $150 – $650
Furnace repair $150 – $700
AC installation $3,500 – $7,500
Tune-up $80 – $200

The two things that push a Middleburg repair toward the top of that range are age and neglect. A 15-year-old condenser that’s been fighting sand and humidity for a decade costs more to bring back than a 6-year-old unit with a clean coil. Whatever the number is, it’s in writing before we touch a thing, and it doesn’t change at the end of the job.

Neighborhoods We Serve in Middleburg

We work the full Middleburg footprint, from the older streets off Russell Road to the newer lots south of town and the spread-out properties along the county roads. Response time across the area runs faster than the Jacksonville sprawl, because Middleburg’s tighter geography keeps most jobs close together. Neighborhoods we see regularly:

  • Fords Creek
  • Black Creek corridor
  • Camp Blanding area
  • Along Alligator Boulevard
  • Russell Road and the older ranch blocks

Service Area – Cities Near Middleburg

We take jobs in Orange Park, FL, where the housing stock runs older and tighter to the river; Green Cove Springs, FL across the St. Johns; Fleming Island, FL with its newer subdivision homes; and Jacksonville, FL for the larger metro work. Dispatch runs from our Miami (South FL) office, but crews serve Middleburg locally, and scheduling is done over the phone at (361) 306-9515.

Serving Middleburg, FL - Our Local Coverage Area

We’re based in the Middleburg 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 HVAC Company in Middleburg

Ready to get started? Free estimates · within the hour response in Middleburg
Call (361) 306-9515

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local hvac 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 Middleburg Customers Say

★★★★★ 5.0 from 7+ reviews

"Blower motor died on the coldest night. They had the part on the truck and had us warm again the same day."

- Sandy G.

"Changed the filter size and added a better filter rack. Simple and useful advice."

- Rhonda C.

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

- Eliza S.

How It Works in Middleburg

Getting your hvac handled is simple and fast.

1

Call or Request a Free Estimate

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

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Middleburg - 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.

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

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Areas We Serve
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