Our quick choice
Avalon Heating and Air +Electrical services
- Operating status
Strengths
- Highest rating of the four (5.0)
Trade-offs
- No free estimate listed
- Price level not published yet
Job comparison · Jacksonville · 4 compared
HVAC System Replacement in Jacksonville: Compare 4 Companies
Short answer
For hvac system replacement in Jacksonville, start with Avalon Heating and Air +Electrical services: the strongest all-round record of the 60 we checked. Compare it with J&W Heating and Air & Plumbing, Ocean State Heating & Air Conditioning and Complete Air Systems below, then ask only the ones you like for a quote.
Four Jacksonville companies for hvac system replacement compared
Swipe sideways to compare all 4
| Compare | ||||
|---|---|---|---|---|
| Rating | 5.0 / 5 | 4.9 / 5 | 4.9 / 5 | 5.0 / 5 |
| Reviews | 2,064 | 6,125 | 1,067 | 537 |
| Years operating | Not known | Not known | Not known | Not known |
| Services | Not listed yet | Not listed yet | Not listed yet | Not listed yet |
| Price | Not published | Not published | Not published | Not published |
| Free estimate | Not listed | Not listed | Not listed | Not listed |
| Based in | Mandarin StationBased here | SouthsideBased here | The BeachesRegularly serves the area | JacksonvilleBased here |
| Verified | Checked1 of 1 records, Oct 2026 | Checked2 of 2 records, Oct 2026 | Checked2 of 2 records, Oct 2026 | Checked2 of 2 records, Oct 2026 |
| Best for | Best overall | Most reviewed | A strong all-round choice | A strong all-round choice |
Ratings and reviews from public review sites, checked October 31, 2026.Bars compare the four with each other.Spot a mistake?
Our quick choice
No time to read everything? Start here.
If you call just one
Avalon Heating and Air +Electrical services
The strongest overall score of the four: rating, review volume, recent activity, years in business and the checks we could confirm, taken together.
- 2,064 reviews, rated 5.0
- 1 records checked
- Choose instead if you want the most-reviewed optionJ&W Heating and Air & Plumbing
- Choose instead if you want another strong optionOcean State Heating & Air Conditioning
- Choose instead if you want another strong optionComplete Air Systems
The four, up close
Key facts, strengths and trade-offs for each, so you know what you’re getting.
Most reviewed
J&W Heating and Air & Plumbing
- State license
- Operating status
Strengths
- Most reviews of the four (6,125)
- License checked Oct 2026
Trade-offs
- Lowest rating of the four (4.9), still above our bar
- No free estimate listed
Strong all-rounder
Ocean State Heating & Air Conditioning
- State license
- Operating status
Strengths
- License checked Oct 2026
Trade-offs
- Lowest rating of the four (4.9), still above our bar
- No free estimate listed
Also in the four
Get quotes from the companies you choose
Tick one or several. Only the ones you tick will see your request.
Before you sign: five checks
Ask every company for the same scope in writing, then check these.
- Written quote with materials, permit fees and clean-up
- Active state license and insurance
- The company pulls the permit, not you
- Written warranty: what and how long
- Payments tied to finished stages
How we picked these four
We compare, we don’t sell spots. Every FourBest page follows the same published method.
- 60Jacksonville companies for hvac system replacement passed our basic checks
- 9,793public reviews behind the four we picked
- 4picked, each with a different strength
- $0paid by any business to be included
Local facts: Duval
Public data behind this comparison.
- 3,303Cooling degree days per year: Annual cooling degree days (base 65°F), a measure of how much air conditioning a climate needs; NOAA station Jacksonville NAS (USW00093837), about 7 miles from the city center point.Public recordNOAA NCEI, U.S. Climate Normals 1991–2020 · 1991–2020 normals
- 96Days a year at 90°F or hotter: Average number of days per year with a high of 90°F or more; NOAA station Jacksonville NAS (USW00093837), about 7 miles from the city center point.Public recordNOAA NCEI, U.S. Climate Normals 1991–2020 · 1991–2020 normals
- $293,700Median home value: Median value of owner-occupied homes (ACS table B25077).Public recordU.S. Census Bureau, American Community Survey 5-year estimates · 2020–2024
- 55.1%Homes built before 1990: 237,301 of 430,825 housing units were built in 1989 or earlier (ACS table B25034, year structure built).Public recordU.S. Census Bureau, American Community Survey 5-year estimates · 2020–2024
- 394,370Households in Jacksonville: Occupied housing units (one household per occupied home), ACS table B25003.Public recordU.S. Census Bureau, American Community Survey 5-year estimates · 2020–2024
- June 1 to November 30Atlantic hurricane season: An average season (1991–2020) has 14 named storms, 7 hurricanes and 3 major hurricanes.Public recordNOAA National Hurricane Center, Tropical Cyclone Climatology · 1991–2020 climate period
Figures from public sources, checked October 31, 2026.
More companies for HVAC system replacement in Jacksonville
The other 56 companies that passed our basic checks.
| Company | Rating | Reviews | Years |
|---|---|---|---|
| Snyder Air Conditioning, Plumbing & ElectricSouthside | 4.9 | 13,831 | – |
| Thigpen Heating and CoolingSouthside | 4.9 | 1,185 | – |
| Cool R Us, Inc A/C & HeatingSouthside | 4.9 | 2,364 | – |
| Double A - Home of the AC Bee'sSouthside | 4.9 | 779 | – |
| Service Experts JacksonvilleSouthside | 4.9 | 3,813 | – |
| Palms Air Conditioning and HeatingSans Pareil | 5.0 | 332 | – |
| Mighty Air IncSouthside | 4.8 | 814 | – |
| World’s GreatestPonte Verde | 4.9 | 548 | – |
| Jenkins Heating & AirJacksonville | 4.8 | 788 | – |
| AC Designs Heating and Air ConditioningSouthside | 4.8 | 2,995 | – |
| Breathe Cleaner Aire FL LLCYulee | 5.0 | 280 | – |
| Del-Air Heating & Air ConditioningSouthside | 4.8 | 4,271 | – |
| Fenwick Waychoff's Air Conditioning, Electrical & PlumbingSouthside | 4.8 | 10,292 | – |
| Lickety Split AC, Plumbing & ElectricGolden Glades/The Woods | 4.8 | 3,890 | – |
| Blue Air HVAC & Air ConditionerJacksonville | 5.0 | 216 | – |
| Envirovac Air Duct CleaningBrooklyn | 4.9 | 338 | – |
| Global Warming and Cooling LLCOrange Park | 4.9 | 342 | – |
| Cool Connections Inc.Jacksonville Heights South | 4.8 | 575 | – |
| Northeast Florida Heating & Air, Inc.Marietta | 4.8 | 399 | – |
| Estes Heating and Air-Conditioning, Inc.Holiday Hill | 4.8 | 485 | – |
| Strada ServicesCommonwealth | 4.9 | 230 | – |
| Greener Solutions Air Conditioning Services IncJacksonville | 4.9 | 214 | – |
| Best AC LLCJacksonville | 5.0 | 94 | – |
| Superior Heating and CoolingJacksonville | 4.9 | 194 | – |
| AC JAXJacksonville | 5.0 | 83 | – |
| Einstein Heating & Air ConditioningHidden Hills | 5.0 | 81 | – |
| Below Zero Heating and AirJacksonville | 4.8 | 193 | – |
| One Hour Air Conditioning & HeatingSouthside | 4.6 | 1,011 | – |
| United Air TempSouthwest | 4.6 | 828 | – |
| Great Dane Heating & AirSouthside | 4.9 | 79 | – |
| King of Home SolutionsSouthside | 4.9 | 63 | – |
| Handy Dan Heating & AirJacksonville | 4.9 | 72 | – |
| First Responder A/C & HeatSouthside | 4.9 | 51 | – |
| Jack Frost HVAC LLCJacksonville | 4.9 | 119 | – |
| Temples Heating & Air Conditioning LLCJacksonville | 4.9 | 40 | – |
| Copper & Co. ServicesJacksonville | 4.9 | 30 | – |
| Florida Comfort SpecialistJacksonville | 5.0 | 27 | – |
| Express heating and airJacksonville | 5.0 | 24 | – |
| Lloyd's Heating And AirJacksonville | 4.8 | 35 | – |
| Alpine Air Inc.Jacksonville | 4.8 | 33 | – |
| Battle Mechanical Service, LLCJacksonville | 5.0 | 17 | – |
| HealthiaireJacksonville | 5.0 | 15 | – |
| PresentJacksonville | 4.9 | 21 | – |
| ECOOLING LLCJacksonville | 5.0 | 10 | – |
| Airpro Service CoJacksonville | 4.5 | 47 | – |
| Howard ServicesJacksonville | 4.4 | 102 | – |
| YMG Air Service Heating & CoolingJacksonville | 4.5 | 33 | – |
| Ferguson HVAC SupplyJacksonville | 4.6 | 20 | – |
| K. O. Electric Air Conditioning and HeatJacksonville | 4.5 | 29 | – |
| Air Solutions Heating & CoolingJacksonville | 4.3 | 32 | – |
| Trane Job NewJacksonville | 4.2 | 25 | – |
| United Refrigeration IncJacksonville | 4.2 | 22 | – |
| Double H Air Conditioning And Heating Inc.Jacksonville | 4.1 | 28 | – |
| Taylor's Heating and AirJacksonville | 4.1 | 52 | – |
| Scott Air of Florida IncJacksonville | 4.0 | 35 | – |
| B & G PlumbingJacksonville | 4.0 | 47 | – |
FAQ: companies for hvac system replacement in Jacksonville
How is the top 4 ranking of HVAC system replacement companies in Jacksonville calculated?
Each business gets a score from its rating, review volume, recent reviews, years in business, profile completeness and record checks. The highest scores make the list. We compared 60 HVAC system replacement companies for Jacksonville. Paid placements never change the order.
Which of these HVAC system replacement companies in Jacksonville has the best reviews?
Avalon Heating and Air +Electrical services has a 5.0 rating from 2064 public reviews, the highest on this page.
Which of these HVAC system replacement companies has the most reviews?
J&W Heating and Air & Plumbing, with 6125 public reviews. A long review history shows how a business handles many jobs.
Are these HVAC system replacement companies licensed?
4 of the 4 businesses here had their state license checked against public records. Each profile shows the source and the date of the check.
How many quotes should I get for HVAC system replacement companies in Jacksonville?
Get at least three. Use the quote form on this page: only the businesses you tick receive your request.
Own a business in Jacksonville?
Claim your free profile to check your facts, add your services and see when homeowners compare you. It takes about five minutes.