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Best heating and air conditioning pros near Largo, FL

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TRUSTED BY LARGO, FL HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon1.4k+
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Largo - Updated Nov 2026

Avatar for Airenteed Heating and Cooling LLC
Airenteed Heating and Cooling LLC
5.0(
29
)
Central A/C - Service or RepairDuctless Mini-split A/C - Install or ReplaceDucts & Vents - Install or Replace+3 more

Serving Largo, FL and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"I recently had my HVAC unit replaced by Kelsey and his crew, and I couldn?t be more impressed with their service. From the initial consultation to the final installation, everything was seamless. The team was highly professional, knowledgeable, and took the time to explain all my options in detail, helping me choose the right unit for my home. The installation was quick and efficient, and they made sure to clean up after themselves, leaving no mess behind. I?m already noticing an improvement in my home?s comfort level, and I?m confident my new unit will save me on energy bills. I highly recommend them for anyone in need of HVAC services ? they exceeded my expectations in every way!"
Daikin Rooftop
Daikin Rooftop
Daikin Rooftop
Daikin Rooftop
Daikin Rooftop

+33

Response time2 hrs
Response rate87%
32 neighbors recently requested a quote
Avatar for Airenteed Heating and Cooling LLC
Airenteed Heating and Cooling LLC
5.0(
23
)
Central A/C - Service or RepairDuctless Mini-split A/C - Install or ReplaceDucts & Vents - Install or Replace+3 more

Serving Largo, FL and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

AIRENTEED HEATING AND COOLING LLC is committed to excellence in every aspect of our \nbusiness. We uphold a standard of integrity bound by fairness, honesty, \nand personal responsibility. Our distinction is the quality of service \nwe bring to our customers. Accurate knowledge of \nour trade combined with ability is what makes us true professionals. \nAbove all, we are watchful of our customers' interests and make their \nconcerns the basis of our business.

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12 neighbors recently requested a quote
Avatar for A Breath Of Fresh Aire
A Breath Of Fresh Aire
4.7(
187
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or Replace+47 more

Serving Largo, FL and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Technician arrived on schedule and was very polite and professional. Showed him a problem we were having and he immediately identified the cause and recommended corrective action and performed that corrective action while he was here. It's been two months since service was performed, and have not had a recurrence of air duct problem. Hope to have Breath of Fresh Aire conduct our regular semi-annual preventive maintenance on HVAC unit."
Additional Photos
Additional Photos
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Additional Photos

+16

Response time11 hrs
Response rate100%
6 neighbors recently requested a quote
Avatar for D & W Heating & Air Conditioning
D & W Heating & Air Conditioning
4.7(
284
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+47 more

Serving Largo, FL and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Options explored in detail & selection of unit was made by me. The proposal was sent out after an onsite inspection. Vendor identified that additional ductwork was not needed which another bidder was anxious to replace at a much higher cost. Terms and conditions were agreed upon in writing. Installation was performed the following week and an onsite inspection was made by a reliable source, since I could not do so myself from my home in Illinois. The service met and exceeded my expectations."
Additional Photos
Additional Photos
Additional Photos
Box Truck
Trailers

+1

Response time12 hrs
Response rate100%
19 neighbors recently requested a quote
Avatar for Fontana Brothers Heating & Air Conditioning
Fontana Brothers Heating & Air Conditioning
5.0(
37
)
Central A/C - InstallBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+47 more

Serving Largo, FL and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Our AC was running however the fan wasn't turning. Pat came to our house at 8:30pm and started working on the unit--had it fixed within 20 minutes!
Fontana Brothers is the only company I trust for heating/air related issues. I've delt with so many companies and find that most of them want to charge an arm and a leg, then try selling you something on top of it. Fontana Brothers have always been professional, timely and trustworthy--prices are great too!
"
Response time1 day
14 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Coolaire Inc
Coolaire Inc
4.8(
21
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallCentral A/C - Service or Repair+18 more

Serving Largo, FL and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"We replaced our aging heat pump, along with the original 40+ year ductwork. Coolaire provided an outstanding, hardworking crew that worked sunup to sundown, and completed the installation in a day. All were friendly and efficient. They cleaned up and hauled away everything. They also stayed to make sure that we were happy with the new heat pump's performance. The comfort level improvement to our A/C is fantastic!"
Response time6 hrs
Response rate100%
38 neighbors recently requested a quote
Avatar for Suncoast Mini-Split Specialists
Suncoast Mini-Split Specialists
4.9(
82
)
Ductless Mini-split A/C - Install or Replace

Serving Largo, FL and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"This was an excellent experience from beginning to end. Kyle H. came out and evaluated the room I needed hvac in and provided a very fair estimate on site. Scheduling for installation was within just a couple of days. Dennis and the install crew were fantastic. The installation is very neat and tidy and they cleaned up after themselves. The Mitsubishi floor mount unit and the app work perfectly. I truly couldn't be happier! 5 stars should be 10 for excellence!"
Commercial Service
Commercial Service
Through the wall air share.
Through the Wall Air Share.
Recessette Ceiling Cassette

+33

Response time2 days
Response rate100%
5 neighbors recently requested a quote
Avatar for Unique Services
Unique Services
4.4(
181
)
Central A/C - InstallCentral A/C - Service or RepairHeat Pump - Install or Replace+6 more

Serving Largo, FL and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1975

Free estimates

Emergency services offered

"My service technician John, was on time, courteous, professional. Came to my house to replace a part that needed to be replaced under warranty. John, came in did the repair made sure that the job was done correctly, cleaned up after himself. John, sets the standard for how all HVAC, Unique technicians should operate."
Installing a New HVAC System
176 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for ABC Plumbing, Air, Heat & Electric
ABC Plumbing, Air, Heat & Electric
4.9(
654
)
Air Ducts & Vents - CleanCentral A/C - InstallCentral A/C - Service or Repair+17 more

Serving Largo, FL and surrounding areas

Approved (Corporate)

In business since 1948

Free estimates

Emergency services offered

"ABC's HVAC installation lead, Jonathan D., and his associate did an exceptional job replacing my 21-year-old HVAC system. As a former aerospace engineer, I know technical talent when I see it. Despite the job being more complex and requiring longer hours than anticipated, they prioritize "quality first" to ensure a successful outcome. This is the second HVAC unit that ABC replaced for me, and I highly recommend them!"
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Heating and Air Conditioning FAQs, answered by experts

For the most part, you should leave your AC fan in “auto” mode so that it only runs during a heating or cooling cycle. Keeping it in this position uses less energy, which equals lower utility bills. However, there are some situations where it’s better to leave your AC fan on, including if you have allergies or there are lots of people in your home.

Replacing both an AC and a furnace takes a full day on average, ranging from eight to 12 hours. The process involves removing the old units, installing the new ones, and ensuring all connections are properly made. If both systems are being replaced simultaneously, it can take longer than installing a furnace alone, so plan accordingly.

It depends on how fast an HVAC technician can resolve the issue. First, if there's a refrigerant leak, you’ll want to keep small children and pets out of the house. Next, you’ll want to turn off the AC unit to ensure no more freon enters your home. Finally, you’ll need an AC technician pro to come to your home and fix the leak immediately. Ultimately, it’s best to leave your home if you discover a freon leak—the risk of exposure is very high, and it’s not worth risking your health to stay.

Deciding whether to replace just the AC coil or the entire system depends on the age of your unit and the overall cost. Replacing a coil is less expensive than a full system replacement, but it can still be a pricey repair. If your HVAC system is relatively new and still under warranty, or if the replacement cost is significantly lower than a new system, replacing the coil can be a worthwhile investment that restores efficiency and extends the unit's life. However, for older systems (nearing the end of their 10-15 year lifespan) or those with extensive damage, it is often more cost-effective to replace the entire AC unit. Mismatched coils in an older system can lead to inefficiency and future breakdowns, so a full replacement ensures optimal performance and avoids further costly repairs.

Yes, it’s important to turn off your AC sometimes to give it a break and prevent it from freezing up. If your AC runs all the time, your system’s parts will wear down quicker, which may mean that you need to replace it sooner. Plus, using your AC constantly uses more electricity and leads to higher energy bills.

The Largo, FL homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.