All Set Heating, Air & Plumbing is an HVAC and plumbing contractor in Middleburg, FL providing heating, air conditioning, and plumbing services to homeowners across Clay County, Duval County, and Northeast Florida. We serve Middleburg, Orange Park, Fleming Island, and Green Cove Springs — the closest HVAC and plumbing team to most Clay County homes.
Who We Are
Heating, Air Conditioning & Plumbing Services in Middleburg, Florida
Our certified technicians provide air conditioning repair, AC installation, heating service, emergency plumbing, and commercial HVAC maintenance to homeowners and businesses across Duval, Clay, and St. Johns Counties.
We operate on one premise: show up fast, diagnose accurately, price fairly — every time. That's why Middleburg homeowners have made All Set a 5-star rated Google HVAC and plumbing contractor. From a broken AC at midnight to a burst pipe on a Sunday morning, we're the team that picks up.
How We Work
Honest Service. Clear Options. Problems Actually Solved.
All Set Heating, Air, and Plumbing was built on a simple idea: homeowners in Middleburg, Clay County, and across Northeast Florida deserve to understand exactly what is wrong with their HVAC or plumbing system — and exactly what their options are — before they agree to any repair, installation, or replacement. Here's what happens when you call.
We Diagnose the Actual Problem
Your technician arrives, finds the root cause, and explains it in plain language. Not jargon. Not a vague "it needs work." You hear exactly what is going on with your system.
You Get Clear Options
Before any work starts, you know what your choices are, what each one costs, and what happens if you decide to wait. If a repair makes sense, we'll tell you. If replacement is the smarter long-term call, we'll tell you that too — honestly, not because it's the higher-ticket item.
We Fix It and Stand Behind It
All Set backs standard equipment installs with a 10-year parts warranty. Not a 30-day guarantee. Not a one-year bumper. Ten years — because a repair should fix the problem, not just delay it. Optional 10-year parts warranty available with Yeti Club membership.
What We Do
HVAC & Plumbing Services for Clay County & Northeast Florida
In the News
As Featured In
All Set’s first-year growth — from one truck to seven — has been covered by national news and financial outlets.
Our Difference
Why Middleburg Chooses All Set
Transparent $99 Diagnostic
No surprise charges to find out what's wrong. We diagnose, then quote — always.
10-Year Parts Warranty
Every equipment installation backed by our 10-year parts warranty. Optional 10-year parts warranty available with Yeti Club membership.
Same-Day & 24/7 Emergency Service
Real technicians dispatched day, night, weekends and holidays. We answer the phone.
Written Estimates Before Any Work
You approve every job in writing. No hidden fees, no bait-and-switch pricing. Ever.
Insured in Florida
Fully HVAC contractor and plumbing company.
150+ Google Reviews
Middleburg homeowners have spoken. We're proud of every review we've earned.
Same-Day Repairs on Most Calls
We stock our trucks with the parts most commonly needed in Florida systems. Same-day service on dispatched calls — not automatic with every job.
Live Dispatcher 24/7
No answering service, no voicemail queue. A real dispatcher picks up day or night.
Discounts & Deals
HVAC Special Offers in Middleburg, FL
Covering Northeast Florida
All Set is based in Middleburg and provides the fastest response times throughout Clay County for AC repair, heating service, and plumbing emergencies.
- Middleburg
- Orange Park
- Jacksonville
- Fleming Island
- Ponte Vedra
- St. Augustine
- Macclenny
- Palatka
- Green Cove Springs
- Fruit Cove
Cost of Waiting
What Happens When You Wait
In Middleburg and across Northeast Florida, a failing AC unit does not quietly decline — and All Set's plumbing, heating, and air conditioning technicians see the same pattern every summer. It fails during the worst possible week, when the heat index is over 100, family is visiting, or overnight lows never cool the house down enough to recover. What started as a noisy compressor or a system that wasn't quite keeping up becomes an emergency at the worst possible time.
The same is true for slab leaks. A pipe leaking slowly under your foundation can go weeks without an obvious sign at the surface. By the time you see a wet floor or a soft spot in the drywall, the damage is already done. Early detection — through a plumbing inspection or a sudden unexplained spike in your water bill — is always cheaper than a remediation.
All Set's model is simple: arrive quickly, diagnose honestly, explain everything, and fix it right the first time.
Trusted Brands
We Repair, Service, and Install All Brands
Factory-trained technicians service every major HVAC manufacturer — residential and commercial systems, Middleburg and across Northeast Florida.
What Your Neighbors Say
What Middleburg & Clay County Homeowners Say About All Set
★★★★★
“All I will say is Gage and Matt were absolutely outstanding. Their customer service was exceptional. They came in and knew exactly what the problem was right away. They were so friendly to my family and my dog.”
★★★★★
“James was SOOOOO helpful. Gave me much appreciated information. He resolved my problem, which… thank the Good Lord, was minor. But got me pointed in the right direction. I would recommend James & All Set Heating and Air to everyone.”
★★★★★
“Brandon and Josh were the best! They were quick, honest and professional. They've explained our options and proceeded with the things that are needed to do. We have been exemplary pleased with the results and no more second thoughts.”
★★★★★
“We have been with All Set Heating and Air for a few years now and we love them. They are honest and the monthly maintenance package has saved us so much money! Jordan was the last tech we had and he was a sweetheart!”
★★★★★
“First time I had All Set Heating and Air out and was extremely satisfied with the service I received. Jordan my technician was on time, explained things very well, and all in all did a great job!”
★★★★★
“Wow!!! What an amazing experience. From the FREE home diagnostic (unheard of), the no pressure repair or replacement. Thank you Brandon and John. I decided on a complete 2 new Daikin units with furnaces and dampers.”
Common Questions
Questions Middleburg Homeowners Ask About HVAC & Plumbing
How do I know if my AC needs repair or full replacement?
Systems under 10 years old with a component failure (capacitor, contactor, fan motor) usually make more financial sense to repair. Systems over 15 years old, or those needing a compressor, often reach the replacement threshold. Our technician will walk you through the numbers so you can decide with confidence.
How much does AC repair cost in Middleburg, FL?
Common repairs: capacitor $150–$400, refrigerant recharge $250–$600, contactor $150–$300, fan motor $300–$700, evaporator coil $600–$2,000. We provide a written estimate before starting any work.
Do you offer 24/7 emergency AC service in Middleburg?
Yes. All Set dispatches technicians every day of the year including holidays. Call 904-206-8702 any time — a live person answers. No answering service, no next-day callback only.
What does the $99 AC tune-up include?
A full 21-point inspection: capacitor health, refrigerant pressure check, coil cleaning assessment, electrical connections, blower performance, thermostat calibration, condensate drain flush, and a written report of findings.
What areas do you serve?
All Set serves all of Duval, Clay, and St. Johns Counties — including Middleburg, Orange Park, Jacksonville, Fleming Island, Green Cove Springs, Ponte Vedra, St. Augustine.
Do you service commercial HVAC systems?
Yes. All Set offers quarterly commercial PM contracts for rooftop units, split systems, air handlers, and heat pumps. Commercial clients receive priority scheduling, 15% repair discounts, and detailed maintenance records.
Are you insured in Florida?
Yes. All Set Heating, Air and Plumbing is an HVAC contractor and plumbing company in the state of Florida, carrying full general liability and workers' compensation insurance.
Do you offer financing?
Yes. Financing options are available on qualifying equipment installations. Ask about 0% interest promotional periods on new AC systems. Call or book online for details.
Ready to Schedule Your HVAC or Plumbing Service in Middleburg?
Call 904-206-8702 to speak with a live technician dispatcher. Same-day appointments available. No answering service.
All Set Heating, Air and Plumbing provides AC repair, AC installation, heating service, plumbing, and commercial HVAC maintenance across Middleburg, FL and Northeast Florida.