Our quick choice
Avalon Heating and Air +Electrical services
Record checks pending
Strengths
- Highest rating of the four (5.0)
Trade-offs
- No free estimate listed
- Price level not published yet
Job comparison · Jacksonville · 4 compared
Thermostat Installation & Repair in Jacksonville: Compare 4 Companies
Short answer
For thermostat installation & repair in Jacksonville, start with Avalon Heating and Air +Electrical services: the strongest all-round record of the 30 we checked. Compare it with Complete Air Systems, J&W Heating and Air & Plumbing and Ocean State Heating & Air Conditioning below, then ask only the ones you like for a quote.
Four Jacksonville companies for thermostat installation & repair compared
Swipe sideways to compare all 4
| Compare | ||||
|---|---|---|---|---|
| Rating | 5.0 / 5 | 5.0 / 5 | 4.9 / 5 | 4.9 / 5 |
| Reviews | 2,064 | 537 | 6,125 | 1,067 |
| 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 | JacksonvilleBased here | SouthsideBased here | The BeachesRegularly serves the area |
| Verified | Not yetCheck pending | Checked1 of 1 records, Oct 2026 | Checked1 of 1 records, Oct 2026 | Checked1 of 1 records, Oct 2026 |
| Best for | Best overall | A strong all-round choice | Most reviewed | A strong all-round choice |
Ratings and reviews from public review sites, checked October 29, 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
- Choose instead if you want another strong optionComplete Air Systems
- 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
The four, up close
Key facts, strengths and trade-offs for each, so you know what you’re getting.
Strong all-rounder
Complete Air Systems
- State license
Strengths
- Highest rating of the four (5.0)
- License checked Oct 2026
Trade-offs
- Fewest reviews of the four (537)
- No free estimate listed
Most reviewed
J&W Heating and Air & Plumbing
- State license
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
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.
- 30Jacksonville companies for thermostat installation & repair 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 29, 2026.
More companies for thermostat installation & repair in Jacksonville
The other 26 companies that passed our basic checks.
| Company | Rating | Reviews | Years |
|---|---|---|---|
| Snyder Air Conditioning, Plumbing & ElectricSouthside | 4.9 | 13,830 | – |
| Double A - Home of the AC Bee'sSouthside | 4.9 | 779 | – |
| Cool R Us, Inc A/C & HeatingSouthside | 4.9 | 2,364 | – |
| Mighty Air IncSouthside | 4.8 | 814 | – |
| World’s GreatestPonte Verde | 4.9 | 548 | – |
| AC Designs Heating and Air ConditioningSouthside | 4.8 | 2,995 | – |
| Fenwick Waychoff's Air Conditioning, Electrical & PlumbingSouthside | 4.8 | 10,295 | – |
| Lickety Split AC, Plumbing & ElectricGolden Glades/The Woods | 4.8 | 3,890 | – |
| Everest OneJacksonville | 5.0 | 148 | – |
| Strada ServicesCommonwealth | 4.9 | 230 | – |
| Best AC LLCJacksonville | 5.0 | 94 | – |
| Superior Heating and CoolingJacksonville | 4.9 | 194 | – |
| 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 | – |
| Discount Air supply LLCJacksonville | 4.9 | 118 | – |
| King of Home SolutionsSouthside | 4.9 | 63 | – |
| Handy Dan Heating & AirJacksonville | 4.9 | 72 | – |
| First Responder A/C & HeatSouthside | 4.9 | 51 | – |
| Temples Heating & Air Conditioning LLCJacksonville | 4.9 | 40 | – |
| Copper & Co. ServicesJacksonville | 4.9 | 30 | – |
| AC Maintenance JaxJacksonville | 5.0 | 26 | – |
| Alpine Air Inc.Jacksonville | 4.8 | 33 | – |
| ECOOLING LLCJacksonville | 5.0 | 10 | – |
| YMG Air Service Heating & CoolingJacksonville | 4.5 | 33 | – |
| United Refrigeration IncJacksonville | 4.2 | 22 | – |
FAQ: companies for thermostat installation & repair in Jacksonville
How is the top 4 ranking of thermostat installation & repair 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 30 thermostat installation & repair companies for Jacksonville. Paid placements never change the order.
Which of these thermostat installation & repair 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 thermostat installation & repair 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 thermostat installation & repair companies licensed?
3 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 thermostat installation & repair 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.