--- title: Furnace Maintenance & Tune-Up in Clearwater: The Best 3 url: https://thelocalthree.com/clearwater/furnace-maintenance/ updated: 2026-10-29 --- [Local *Three* Selected, not listed](https://thelocalthree.com/) - [Clearwater](https://thelocalthree.com/clearwater/) - [Furnace Maintenance & Tune-Up](https://thelocalthree.com/furnace-maintenance/) - [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. [Clearwater](https://thelocalthree.com/clearwater/) 4. Furnace Maintenance & Tune-Up Clearwater · Furnace Maintenance & Tune-Up # The 3 Best Companies for Furnace Maintenance & Tune-Up in Clearwater 2027 Edition Updated October 29, 2026 By the Local Three editors [How we select](https://thelocalthree.com/how-we-select/) In short Of the 8 companies for furnace maintenance & tune-up we reviewed in Clearwater, these three had the strongest records: 4,966 public reviews between them, averaging 4.8 out of 5. Local Three editors · October 29, 2026 ## The short answer For furnace maintenance & tune-up in Clearwater, call **Advanced Cooling Systems** , **Reliant Heating and Air Conditioning, LLC** or **Performance Air Conditioning, Electrical & Plumbing** first. We chose them from 8 local companies on rating, review volume, recent activity and years in business. ## Our 3 selections for furnace maintenance & tune-up Editor's Pick ### [Advanced Cooling Systems](https://thelocalthree.com/business/advanced-cooling-systems-clearwater/) **4.9** from 851 reviews Based in Clearwater Coverage Based in Clearwater #### Why we picked them The strongest overall record of the 8 companies for furnace maintenance & tune-up we reviewed in Clearwater: rating, review volume, recent activity and years in business, taken together. Checked Oct 2026 - State license Request a quote [Call +1 727-334-7155](tel:+17273347155)[Website](https://www.acs-advancedcooling.com/) Selection 02 ### [Reliant Heating and Air Conditioning, LLC](https://thelocalthree.com/business/reliant-heating-and-air-conditioning-llc-clearwater/) **4.9** from 436 reviews Based in Clearwater Coverage Based in Clearwater #### Why we picked them A steady public record: 4.9 from 436 reviews. Checked Oct 2026 - State license Request a quote [Call +1 727-660-6170](tel:+17276606170)[Website](https://reliantacguys.com/) Reader Favorite ### [Performance Air Conditioning, Electrical & Plumbing](https://thelocalthree.com/business/performance-air-conditioning-electrical-plumbing-clearwater/) **4.7** from 3679 reviews Based in Clearwater Coverage Based in Clearwater #### Why we picked them More client reviews than any other selection: 3,679 of them, averaging 4.7 out of 5. Checked Oct 2026 - State license Request a quote [Call +1 727-746-5466](tel:+17277465466)[Website](https://performanceac.com/) Beyond the three ## More companies for furnace maintenance & tune-up in Clearwater Other Clearwater companies that met our basic bar. We looked at 8 in all for this work. - [Weathermakers Air Conditioning & Heating](https://thelocalthree.com/business/weathermakers-air-conditioning-heating-clearwater/) 4.9 · 165 - Graham 4.6 · 1,612 - Aspire Air Solutions 5.0 · 68 - Bay Breeze Air Conditioning and Heating 4.8 · 54 - Best Services Inc 5.0 · 30 At a glance ## The three, side by side Comparison of the selected furnace maintenance & tune-up in Clearwater | | 01 Advanced Cooling Systems | 02 Reliant Heating and Air Conditioning, LLC | 03 Performance Air Conditioning, Electrical & Plumbing | |---|---|---|---| | Best for | Editor's Pick | – | Reader Favorite | | Rating | 4.9 · 851 reviews | 4.9 · 436 reviews | 4.7 · 3679 reviews | | In business | – | – | – | | Budget | – | – | – | | Free estimate | Ask | Ask | Ask | | License | Checked Oct 2026 | Checked Oct 2026 | Checked Oct 2026 | | Based in | Clearwater | Clearwater | Clearwater | 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.** 8 companies for furnace maintenance & tune-up in Clearwater, 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 · Pinellas ## Clearwater, 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 St. Petersburg International Airport (USW00012873), about 7 miles from the city center point. 3,701 [NOAA NCEI, U.S. Climate Normals 1991–2020](https://www.ncei.noaa.gov/data/normals-annualseasonal/1991-2020/access/USW00012873.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 St. Petersburg International Airport (USW00012873), about 7 miles from the city center point. 94 [NOAA NCEI, U.S. Climate Normals 1991–2020](https://www.ncei.noaa.gov/data/normals-annualseasonal/1991-2020/access/USW00012873.csv) · 1991–2020 normals Median home value: Median value of owner-occupied homes (ACS table B25077). $361,300 [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25077?g=160XX00US1212875) · 2020–2024 Homes built before 1990: 46,028 of 61,123 housing units were built in 1989 or earlier (ACS table B25034, year structure built). 75.3% [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US1212875) · 2020–2024 Households in Clearwater: Occupied housing units (one household per occupied home), ACS table B25003. 49,998 [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US1212875) · 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 furnace maintenance & tune-up in Clearwater: 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 furnace maintenance & tune-up in Clearwater How did the editors choose these furnace maintenance & tune-up companies in Clearwater? Editors shortlist businesses with strong ratings and enough reviews, check their records, and choose the final picks against the published criteria. We compared 8 furnace maintenance & tune-up companies for Clearwater. Paid placements never change the order. Which of these furnace maintenance & tune-up companies in Clearwater has the best reviews? Advanced Cooling Systems has a 4.9 rating from 851 public reviews, the highest on this page. Which of these furnace maintenance & tune-up companies has the most reviews? Performance Air Conditioning, Electrical & Plumbing, with 3679 public reviews. A long review history shows how a business handles many jobs. Are these furnace maintenance & tune-up companies licensed? 3 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 furnace maintenance & tune-up companies in Clearwater? Get at least three. Use the quote form on this page: only the businesses you tick receive your request. Related in Clearwater ## Also selected - [HVAC Contractors](https://thelocalthree.com/clearwater/hvac-contractors/) - [Air Duct Cleaning Companies](https://thelocalthree.com/clearwater/air-duct-cleaning-companies/) - [HVAC Repair](https://thelocalthree.com/clearwater/hvac-repair/) - [HVAC System Replacement](https://thelocalthree.com/clearwater/hvac-replacement/) - [AC Repair](https://thelocalthree.com/clearwater/ac-repair/) - [Emergency AC Repair](https://thelocalthree.com/clearwater/emergency-ac-repair/) - [AC Maintenance & Tune-Up](https://thelocalthree.com/clearwater/ac-maintenance/) - [AC Installation & Replacement](https://thelocalthree.com/clearwater/ac-replacement/) Nearby editions ## Furnace Maintenance & Tune-Up nearby - [Jacksonville](https://thelocalthree.com/jacksonville/furnace-maintenance/) - [Miami](https://thelocalthree.com/miami/furnace-maintenance/) - [Tampa](https://thelocalthree.com/tampa/furnace-maintenance/) - [Orlando](https://thelocalthree.com/orlando/furnace-maintenance/) - [Port St. Lucie](https://thelocalthree.com/port-st-lucie/furnace-maintenance/) - [Hialeah](https://thelocalthree.com/hialeah/furnace-maintenance/) - [Tallahassee](https://thelocalthree.com/tallahassee/furnace-maintenance/) - [Fort Lauderdale](https://thelocalthree.com/fort-lauderdale/furnace-maintenance/) Up a level ## More in Clearwater - [Clearwater edition](https://thelocalthree.com/clearwater/) - [Furnace Maintenance & Tune-Up, every city](https://thelocalthree.com/furnace-maintenance/) For businesses ## Own a local business in Clearwater? 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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.