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TRUSTED BY KEY BISCAYNE, FL HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon426
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Key Biscayne

Avatar for HVAC Specialist Air Duct Cleaners
HVAC Specialist Air Duct Cleaners
4.6(
385
)
Air Ducts & Vents - Clean

Serving Key Biscayne, FL and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"I already HVAC to install 2 machines, fix another ACs and I can strongly recommend. The guys are fast, honest and never disappoint. If you are looking for a reliable AC company, try HVAC, just like me, you will be satisfied ."
Hvac
Hvac
hvac
hvac
hvac

+76

Response time4 hrs
Recommended by92%of homeowners
Avatar for Weathershield Air Conditioning
Weathershield Air Conditioning
5.0(
17
)
Central A/C - InstallBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+47 more

Serving Key Biscayne, FL and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"These folks are great!  The first couple of years that I had this central AC installed, the main HVAC unit would freeze up and flood the closet and adjacent areas.  
After paying another company for the same repair for three years, I finally ditched them and called Weathershield.  They came out, noticed that I had a bad thermostat, replace that, serviced the unit and I haven't had a problem since then. 
The folks are super polite, arrive on time and have had my AC purring now for over four years now.  Can't say enough.
"
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+1

Response time10 hrs
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Ice City AC, Inc.
Ice City AC, Inc.
4.9(
212
)
Central A/C - Service or RepairDucts & Vents - Install or Replace

Serving Key Biscayne, FL and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Ozzie is extremely nice, very professional, and puts out the extra 9 yards to give his clientele good service. This would not be complete without mentioning Alberto. He installed a new HVAC unit for me. Working through the heat, humidity, lifting heavy parts both outside and upstairs, the air handler system, I would estimate he had the WHOLE job finished in 7 hours. Seems to me record breaking time, when you consider all the dismantling, carrying, cleaning up of the premises. So Ozzie and Alberto, hats off to you both!! And, I was able to go from 93° upstairs to a most comfortable 78°, perfect sleeping!! Thanks again! Hire them!!!"
New Rheem Shorty Install
High Efficiency Installation
Jayden Mr.IceCity Checking pressure.
Mr.IceCity cooling off
Ice City AC Junior shirts

+3

Response time4 hrs
8 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for RCI Air Conditioning Company
RCI Air Conditioning Company
4.5(
95
)
Central A/C - Service or RepairThermostat - Install or ReplaceGas Furnace / Forced Air Heating System - Repair - For Business+8 more

Serving Key Biscayne, FL and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"The absolute best HVAC contractor you will find! Honest, Trustworthy, Professional, Accessible, and fair pricing! There is no comparison. I unfortunately have used other companies before finding RCI and there were far pricier and unreliable! I am thrilled to have found RCI and will recommend them to everyone! I have already recommended them to friends who needed a new AC, RCI's pricing was the best of 3 estimates, and my friends were thrilled with their professional service! Look no further, call RCI confidently for all your HVAC needs!!! Thank you Mike and your RCI staff!"
RCI Progress Work
Installation of Spiral Duct
Our technicians at work
New Unit Installation
RCI Progress Work

+16

Response time5 hrs
60 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for LOWE'S Air Duct Cleaning Inc. -- Unlimited Vents
LOWE'S Air Duct Cleaning Inc. -- Unlimited Vents
4.6(
163
)
Air Ducts & Vents - Clean

Serving Key Biscayne, FL and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"For DC/ Northern VA: Best price in the area. Very methodical, evaluated the ducts as he worked, very knowledgeable. Dryer duct cleaned as well. Showed up 2 hrs late, so ensure you have a full day for the job to be completed."
Additional Photos
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+30

Response time9 hrs
Response rate100%
8 neighbors recently requested a quote
Avatar for TRIPLE AAA LLC
TRIPLE AAA LLC
5.0(
31
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+1 more

Serving Key Biscayne, FL and surrounding areas

Approved

In business since 2025

Free estimates

Offers commercial services

"I had an amazing experience with Triple AAA LLC They did an excellent job on my HVAC system very professional, on time, and honest. The technician explained everything clearly and made sure everything was working perfectly before leaving. Their customer service is top notch friendly, respectful, and they truly care about their customers. I highly recommend Triple AAA LLC to anyone looking for quality HVAC service you can trust!!!"
Response time7 hrs
Response rate100%
3 neighbors recently requested a quote
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Showing 1-10 of 507
Heating and Air Conditioning questions, answered by experts

Aside from needing HVAC repair, there are times when you may need to replace your unit. HVAC replacement costs $5,000 to $12,500. Here are some telltale signs that your HVAC unit is going bad:

  • Your unit is 10 years or older.

  • Your home is very humid.

  • The unit keeps cycling without producing cool air.

  • You need to repair the unit frequently.

Yes, adding central air can increase your home value by as much as 10%. Generally speaking, prospective buyers prefer a central AC system over a ductless system or room-by-room AC units. That’s because central air conditioning blends into the home easier than individual room air conditioners and typically has less equipment to maintain.

A new HVAC system can increase your home's value by about 5% to 7%, which can translate to an added value of $2,500 to $3,000. The return on investment (ROI) can be around 30%, especially if you upgrade the entire system, including ductwork and insulation. Adding modern features like a smart thermostat can further increase your home’s value by making the heating and cooling systems more efficient and convenient. However, since a new unit can cost $10,000 or more to install, it's important to weigh the upfront cost against the potential increase in home value. For a specific assessment, it's best to consult a local AC installer.

A dirty AC filter can lower the efficiency of your system, so depending on how dirty it was, you may notice a temperature difference when you clean your filter. You can try other solutions if your AC isn’t blowing as cold as it used to. You can call in a local HVAC tech to make sure everything is running correctly, fix your air seal if it’s a window unit, and clean your coils.

You can adjust uneven airflow in your home by adjusting the dampers on the vents. However, if the temperature feels consistent throughout the home, don’t worry too much about uneven airflow. Generally speaking, larger rooms should receive more airflow than smaller rooms, especially if they only have one vent.

The Key Biscayne, 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.