--- title: Thermostat Installation & Repair in Jacksonville: The Best 3 url: https://thelocalthree.com/jacksonville/thermostat-installation/ updated: 2026-10-29 --- [Local *Three* Selected, not listed](https://thelocalthree.com/) - [Jacksonville](https://thelocalthree.com/jacksonville/) - [Thermostat Installation & Repair](https://thelocalthree.com/thermostat-installation/) - [How we select](https://thelocalthree.com/how-we-select/) - [For businesses](https://thelocalthree.com/claim/) 1. [Home](https://thelocalthree.com/) 2. [Florida](https://thelocalthree.com/florida/) 3. [Jacksonville](https://thelocalthree.com/jacksonville/) 4. Thermostat Installation & Repair Jacksonville · Thermostat Installation & Repair # The 3 Best Companies for Thermostat Installation & Repair in Jacksonville 2027 Edition Updated October 29, 2026 By the Local Three editors [How we select](https://thelocalthree.com/how-we-select/) In short Of the 30 companies for thermostat installation & repair we reviewed in Jacksonville, these three had the strongest records: 8,726 public reviews between them, averaging 5.0 out of 5. Local Three editors · October 29, 2026 ## The short answer For thermostat installation & repair in Jacksonville, call **Avalon Heating and Air +Electrical services** , **Complete Air Systems** or **J&W Heating and Air & Plumbing** first. We chose them from 30 local companies on rating, review volume, recent activity and years in business. ## Our 3 selections for thermostat installation & repair Editor's Pick ### [Avalon Heating and Air +Electrical services](https://thelocalthree.com/business/avalon-heating-and-air-electrical-services-jacksonville/) **5.0** from 2064 reviews Based in Mandarin Station Coverage Based in Jacksonville #### Why we picked them The strongest overall record of the 30 companies for thermostat installation & repair we reviewed in Jacksonville: rating, review volume, recent activity and years in business, taken together. Request a quote [Call +1 904-245-1818](tel:+19042451818)[Website](https://coolingjacksonville.com/) Selection 02 ### [Complete Air Systems](https://thelocalthree.com/business/complete-air-systems-jacksonville/) **5.0** from 537 reviews Based in Jacksonville Coverage Based in Jacksonville #### Why we picked them A steady public record: 5.0 from 537 reviews. Checked Oct 2026 - State license Request a quote [Call +1 904-268-4486](tel:+19042684486)[Website](http://completeair.com/) Reader Favorite ### [J&W Heating and Air & Plumbing](https://thelocalthree.com/business/j-w-heating-and-air-plumbing-jacksonville/) **4.9** from 6125 reviews Based in Southside Coverage Based in Jacksonville #### Why we picked them More client reviews than any other selection: 6,125 of them, averaging 4.9 out of 5. Checked Oct 2026 - State license Request a quote [Call +1 904-552-4767](tel:+19045524767)[Website](https://www.jandwheatingandair.com/?W=) Beyond the three ## More companies for thermostat installation & repair in Jacksonville Other Jacksonville companies that met our basic bar. We looked at 30 in all for this work. - [Ocean State Heating & Air Conditioning](https://thelocalthree.com/business/ocean-state-heating-air-conditioning-jacksonville/) 4.9 · 1,067 - [Snyder Air Conditioning, Plumbing & Electric](https://thelocalthree.com/business/snyder-air-conditioning-plumbing-electric-jacksonville/) 4.9 · 13,830 - Double A - Home of the AC Bee's 4.9 · 779 - Cool R Us, Inc A/C & Heating 4.9 · 2,364 - [Mighty Air Inc](https://thelocalthree.com/business/mighty-air-inc-jacksonville/) 4.8 · 814 - [World’s Greatest](https://thelocalthree.com/business/worlds-greatest-jacksonville/) 4.9 · 548 - AC Designs Heating and Air Conditioning 4.8 · 2,995 - Fenwick Waychoff's Air Conditioning, Electrical & Plumbing 4.8 · 10,295 - Lickety Split AC, Plumbing & Electric 4.8 · 3,890 - Everest One 5.0 · 148 - [Strada Services](https://thelocalthree.com/business/strada-services-jacksonville/) 4.9 · 230 - Best AC LLC 5.0 · 94 - Superior Heating and Cooling 4.9 · 194 - Einstein Heating & Air Conditioning 5.0 · 81 - Below Zero Heating and Air 4.8 · 193 - One Hour Air Conditioning & Heating 4.6 · 1,011 - [Discount Air supply LLC](https://thelocalthree.com/business/discount-air-supply-llc-jacksonville/) 4.9 · 118 - King of Home Solutions 4.9 · 63 - Handy Dan Heating & Air 4.9 · 72 - First Responder A/C & Heat 4.9 · 51 - Temples Heating & Air Conditioning LLC 4.9 · 40 - Copper & Co. Services 4.9 · 30 - AC Maintenance Jax 5.0 · 26 - Alpine Air Inc. 4.8 · 33 - ECOOLING LLC 5.0 · 10 - YMG Air Service Heating & Cooling 4.5 · 33 - United Refrigeration Inc 4.2 · 22 At a glance ## The three, side by side Comparison of the selected thermostat installation & repair in Jacksonville | | 01 Avalon Heating and Air +Electrical services | 02 Complete Air Systems | 03 J&W Heating and Air & Plumbing | |---|---|---|---| | Best for | Editor's Pick | – | Reader Favorite | | Rating | 5.0 · 2064 reviews | 5.0 · 537 reviews | 4.9 · 6125 reviews | | In business | – | – | – | | Budget | – | – | – | | Free estimate | Ask | Ask | Ask | | License | Not confirmed yet | Checked Oct 2026 | Checked Oct 2026 | | Based in | Mandarin Station | Jacksonville | Southside | Methodology ## How we selected these businesses Three is a deliberately small number. It forces us to leave out good companies. [Read the full methodology](https://thelocalthree.com/how-we-select/) 1. **We start with everyone.** 30 companies for thermostat installation & repair in Jacksonville, from public listings and review platforms. 2. **We remove the risky.** No working phone, too few genuine reviews or a weak rating. 3. **We read the record.** Review volume and recency, years in business and the record checks we could confirm. 4. **Editors keep three.** And write down who each one suits best. Selection is never for sale. [How we make money](https://thelocalthree.com/how-we-make-money/). Local facts · Duval ## Jacksonville, by the numbers Public records tell you how busy the trade is and what the rules ask of every job. Read them before you call. Cooling 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. 3,303 [NOAA NCEI, U.S. Climate Normals 1991–2020](https://www.ncei.noaa.gov/data/normals-annualseasonal/1991-2020/access/USW00093837.csv) · 1991–2020 normals Days 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. 96 [NOAA NCEI, U.S. Climate Normals 1991–2020](https://www.ncei.noaa.gov/data/normals-annualseasonal/1991-2020/access/USW00093837.csv) · 1991–2020 normals Median home value: Median value of owner-occupied homes (ACS table B25077). $293,700 [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25077?g=160XX00US1235000) · 2020–2024 Homes built before 1990: 237,301 of 430,825 housing units were built in 1989 or earlier (ACS table B25034, year structure built). 55.1% [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US1235000) · 2020–2024 Households in Jacksonville: Occupied housing units (one household per occupied home), ACS table B25003. 394,370 [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US1235000) · 2020–2024 Atlantic hurricane season: An average season (1991–2020) has 14 named storms, 7 hurricanes and 3 major hurricanes. June 1 to November 30 [NOAA National Hurricane Center, Tropical Cyclone Climatology](https://www.nhc.noaa.gov/climo/) · 1991–2020 climate period Public sources, checked October 29, 2026. Local guide ## Hiring companies for thermostat installation & repair in Jacksonville: what to know first ### Check the license Look the company up on your state’s license search, and ask for insurance papers sent by the insurer. ### Compare written quotes Three quotes for the same work, each listing what is not included. ### Ask about the warranty In writing, clear about what it covers, and transferable if you sell. ### Pay in stages Pay for finished, inspected stages, not dates. Request a quote ## Ask our three for a price One short form, sent only to the companies you tick. Most reply within one or two working days. Send my request to We never sell your details. A business that answers may pay us a small fee; your price is the same. Questions ## Questions about thermostat installation & repair in Jacksonville How did the editors choose these thermostat installation & repair companies in Jacksonville? Editors shortlist businesses with strong ratings and enough reviews, check their records, and choose the final picks against the published criteria. 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? 2 of the 3 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. Related in Jacksonville ## Also selected - [HVAC Contractors](https://thelocalthree.com/jacksonville/hvac-contractors/) - [Air Duct Cleaning Companies](https://thelocalthree.com/jacksonville/air-duct-cleaning-companies/) - [Commercial HVAC Contractors](https://thelocalthree.com/jacksonville/commercial-hvac-contractors/) - [HVAC Repair](https://thelocalthree.com/jacksonville/hvac-repair/) - [HVAC System Replacement](https://thelocalthree.com/jacksonville/hvac-replacement/) - [AC Repair](https://thelocalthree.com/jacksonville/ac-repair/) - [Emergency AC Repair](https://thelocalthree.com/jacksonville/emergency-ac-repair/) - [AC Maintenance & Tune-Up](https://thelocalthree.com/jacksonville/ac-maintenance/) Nearby editions ## Thermostat Installation & Repair nearby - [Miami](https://thelocalthree.com/miami/thermostat-installation/) - [Tampa](https://thelocalthree.com/tampa/thermostat-installation/) - [Orlando](https://thelocalthree.com/orlando/thermostat-installation/) - [Port St. Lucie](https://thelocalthree.com/port-st-lucie/thermostat-installation/) - [St. Petersburg](https://thelocalthree.com/st-petersburg/thermostat-installation/) - [Cape Coral](https://thelocalthree.com/cape-coral/thermostat-installation/) - [Hialeah](https://thelocalthree.com/hialeah/thermostat-installation/) - [Tallahassee](https://thelocalthree.com/tallahassee/thermostat-installation/) Up a level ## More in Jacksonville - [Jacksonville edition](https://thelocalthree.com/jacksonville/) - [Thermostat Installation & Repair, every city](https://thelocalthree.com/thermostat-installation/) For businesses ## Own a local business in Jacksonville? 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Ratings and review counts are collected from public review platforms and were last refreshed on October 29, 2026 . Sponsored placements are always labelled and never change who is selected.