Top 3 HVAC Contractors in Key Largo

Compare the highest-rated hvac professionals in Key Largo, Florida. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Conch Key Climate Control

4.8
(142 reviews)
Verified

A premier, full-service HVAC contractor specializing in high-performance systems built for Key Largo's harsh salt-air environment. They are experts in selecting and installing corrosion-resistant units from top brands like Trane and Carrier, and are renowned for their rapid response emergency repair services, especially during the intense summer cooling season.

98700 Overseas Highway, Key Largo, FL 33037

Specialties & Features

Salt-Air Corrosion Resistant Systems
24/7 Emergency AC Repair
High-Efficiency HVAC Installation
Dehumidification Solutions

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
Call Now
#2

Florida Keys Efficient Air & Heating

4.6
(118 reviews)
Verified

This provider has built a strong reputation on energy efficiency and expert preventative maintenance. They are a certified dealer for Lennox and other high-efficiency brands, focusing on reducing energy costs for homeowners—a major concern in the hot Florida climate. Their comprehensive maintenance plans are designed to extend the life of HVAC systems against the demanding, year-round operation they face in the Keys.

102450 Old Highway, Key Largo, FL 33037

Specialties & Features

Energy Efficiency Audits & Upgrades
Preventative Maintenance Plans
Lennox Certified Premier Dealer
Duct Sealing and Insulation

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
Call Now
#3

Coral Reef HVAC Services

4.5
(96 reviews)
Verified

A reliable, locally-owned and operated company known for its honest diagnostics and quality repair work on all major HVAC brands. They offer a wide range of services from furnace tune-ups (for the occasional cool winter night) to complete AC system replacements. They are a go-to for complex ductwork issues common in older Keys homes and provide dependable 24/7 emergency service.

500 Caribbean Drive, Key Largo, FL 33037

Specialties & Features

HVAC Repair & Diagnostics
Ductwork Design and Repair
24/7 Emergency Service
Residential System Replacement

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
Call Now

Why These Are the Top HVAC Contractors in Key Largo

The HVAC market in Key Largo is defined by its unique tropical maritime climate, characterized by intense heat, high humidity, and salt-laden air for most of the year. This places extreme demands on cooling systems, making them essential for comfort and safety. The primary concerns for homeowners are system reliability, corrosion resistance, energy efficiency (given high cooling costs), and humidity control. The market consists of a mix of long-established local companies and a few larger regional players, all of which must be highly responsive to emergency breakdowns, particularly during the peak hurricane and summer seasons from June to October. Expertise in installing and maintaining systems specifically designed to withstand corrosive environments is a critical differentiator for top providers.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Key Largo regulations and climate