Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal 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.
Get your free estimateHVAC Company in Dunedin, FL
Dunedin’s mix of 1950s-to-1970s concrete-block ranch homes and newer townhomes near the Pinellas Trail means no two HVAC jobs here look the same. Salt air off the Gulf eats condenser coils faster than inland, and a lot of the original ductwork in older homes was sized for systems that stopped making sense decades ago. We’re Halden Heating & Air, and we handle AC repair, AC installation, and furnace repair across Dunedin with written pricing before any work starts. If your system is struggling, call (850) 608-1463 and you’ll get a live person, not a voicemail tree.
Why Dunedin Homes Are Different
Most of Dunedin’s housing stock is single-story concrete block, built between the 1950s and 1970s. Those homes have low-pitch roofs, carports instead of garages, and ductwork that was designed for systems far less efficient than what’s available now. Retrofitting a modern high-efficiency unit into one of these homes takes care: the concrete block construction doesn’t breathe the way wood-frame does, so airflow and dehumidification have to be dialed in correctly or the house feels clammy even when it’s cool.
The coastal climate adds another layer. Humidity and salt air mean outdoor condenser coils and electrical contacts corrode faster than they would ten miles inland. We regularly see units near the Hammock with fins that look sandblasted within five years of installation. Summer afternoon thunderstorms also make surge protection a smart investment, especially for newer inverter-driven systems that are more sensitive to voltage spikes. On the east side near the Hammock, the old Climatrol units from the 1970s are still out there, and they fail on a predictable cycle: compressor trouble every 8 to 10 years. If you own one, you’ve probably already replaced it or you’re about to.
Some older Dunedin homes still have asbestos-containing materials in drywall and failing galvanized pipes, which means any work that touches walls or runs new lineset has to be approached carefully and honestly. We’ll tell you what we’re dealing with before we cut anything open.
Styles & brands we work with







Our Main Dunedin Services
The two calls we get most from Dunedin homeowners are AC repair in summer and full system replacement when the salt finally wins. Here’s what each looks like in this city.
AC Repair in Dunedin
Most Dunedin AC repairs fall into a few predictable categories: refrigerant leaks, failed capacitors, contactor corrosion, and condensate drain clogs from the humidity. The salt air near the coast accelerates electrical contact failure, so a unit that’s five years old in Dunedin may have the same contact wear as a ten-year-old unit in Tampa. We stock common capacitors, contactors, and drain components on our trucks, and we give you a written price before any repair begins. Read more on our dedicated AC Repair in Dunedin page.

AC Installation in Dunedin
Replacing a system in a 1960s concrete-block Dunedin home is not a drop-in job. The original ductwork is often undersized for modern high-efficiency equipment, and the electrical panel may need a dedicated circuit for the new condenser. We quote the full scope up front, including any duct modifications and surge protection, so the number you approve is the number you pay. We install Carrier, Trane, Lennox, and American Standard systems, matched to the humidity profile of a coastal Florida home. Details are on our AC Installation in Dunedin page.

Furnace Repair in Dunedin
Dunedin winters are mild, but when a cold snap hits, a furnace that won’t fire becomes an urgent problem. Most of what we see in the field is straightforward: failed igniters, dirty flame sensors, blower motor issues, and the occasional gas valve failure. Because furnaces here sit idle for months at a time, corrosion on electrical connections is common even on newer units. Every furnace repair includes a written guarantee, and if the repair fails within the coverage window, we come back at no charge. See our Furnace Repair in Dunedin page for specifics.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Dunedin
We service and install Carrier, Trane, Lennox, and American Standard equipment. Our trucks carry common OEM repair parts for these brands plus Goodman and Rheem, which covers most of what’s installed in Dunedin. Turnaround on a typical repair part we don’t have on the truck is one to two business days. See our brands for the full list.
See the difference
Before
After
Before
After
Before
AfterPricing for HVAC Company in Dunedin, FL
| Service | Typical range in Dunedin |
|---|---|
| AC repair (minor electrical or capacitor) | $150 – $350 |
| AC repair (refrigerant leak or compressor parts) | $350 – $650 |
| Furnace repair (igniter, flame sensor, standard part) | $150 – $400 |
| Furnace repair (gas valve or blower motor) | $400 – $700 |
| AC installation (standard efficiency, smaller home) | $3,500 – $5,000 |
| AC installation (high efficiency, larger home or ductwork modifications) | $5,000 – $7,500 |
| Seasonal tune-up | $80 – $200 |
What pushes a Dunedin job toward the higher end of these ranges is usually ductwork modification, electrical panel work, or the added cost of surge protection for a coastal property. Whatever the scope, you’ll see a written price before any work begins, and that number doesn’t change at the doorstep.
Neighborhoods We Serve in Dunedin
We work throughout Dunedin, from the older blocks near downtown up to the newer townhome communities along the Pinellas Trail corridor. Our typical response time for a Dunedin call is same-day for AC repair, with a live arrival time you can track rather than a four-hour window.
- Downtown Dunedin
- The Hammock
- Fairway Estates
- Dunedin Isles
- Near the Pinellas Trail
Service Area – Cities Near Dunedin
We also serve homeowners in surrounding Pinellas and Hillsborough communities. If you’re in Clearwater, FL, Pinellas Park, FL, Tampa, FL, or Riverview, FL, the same written-price guarantee and live tracking apply. Dispatch and scheduling for Dunedin jobs are coordinated from our South Florida office; crews are local to the area.
Serving Dunedin, FL - Our Local Coverage Area
We’re based in the Dunedin 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 Dunedin
We aim for same-day service in Dunedin for AC repair calls during the cooling season. When you book, you get a live arrival time you can track to the door, not a four-hour window. Call (850) 608-1463 and a live person answers, 24/7.
Most AC and furnace replacements in Dunedin require a mechanical permit, which we pull as part of the installation. We handle the paperwork along with any required inspections, so you don’t have to chase the city. The permit cost is included in your written quote.
Yes. Salt air accelerates corrosion on condenser coils and electrical contacts, and high humidity forces your system to work harder to dehumidify. We recommend annual tune-ups for coastal Dunedin homes and surge protection on any newer inverter-driven system. Expect a shorter lifespan on outdoor components compared to inland homes.
If your AC or furnace is acting up, call Halden Heating & Air at (850) 608-1463 for a free estimate and a written price before any work begins.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Dunedin Customers Say
"Maintenance reminders come by text. I never have to remember."
- Elliot K."Thermostat swap and a duct check. Everything is even now."
- Pam J."Solid repair on a drain line. Had to rebook for a part, but it was quick."
- Rosie F.