--- title: Jacksonville Ductwork & Air Quality Systems: 5 Questions url: https://askfivequestions.com/jacksonville/ductwork-air-quality/ updated: 2026-10-31 --- Skip to content [Five **Questions**](https://askfivequestions.com/) - [Jacksonville](https://askfivequestions.com/jacksonville/) - [Ductwork & Air Quality Systems](https://askfivequestions.com/ductwork-air-quality/) - [Back to the list](https://askfivequestions.com/jacksonville/ductwork-air-quality/) - [How we interview](https://askfivequestions.com/methodology/) - [For businesses](https://askfivequestions.com/claim/) 1. [Home](https://askfivequestions.com/) 2. [Florida](https://askfivequestions.com/florida/) 3. [Jacksonville](https://askfivequestions.com/jacksonville/) 4. Ductwork & Air Quality Systems Interview edition Jacksonville · October 2026 # Ductwork & Air Quality Systems in Jacksonville, FL: 5 pros answer the same five questions The questions homeowners actually ask, put to 5 local companies. Compare what they know, not just their stars. - Updated **October 31, 2026** - [How we choose and interview](https://askfivequestions.com/methodology/) The five questions 1. What does ductwork & air quality systems usually cost? 2. How long does the job normally take? 3. What should homeowners prepare before asking for a quote? 4. What kind of work do you specialize in? 5. What expensive mistake do homeowners commonly make? ## The 5 we invited Chosen from 100 Jacksonville businesses on their public record. Not a ranking. - ### [Avalon Heating and Air +Electrical services](https://askfivequestions.com/business/avalon-heating-and-air-electrical-services-jacksonville/) ★ 5.0 (2064 reviews) · Mandarin Station - Operating status checked Ask for a quote from Avalon Heating and Air +Electrical services - ### [J&W Heating and Air & Plumbing](https://askfivequestions.com/business/j-w-heating-and-air-plumbing-jacksonville/) ★ 4.9 (6125 reviews) · Southside - State license checked Ask for a quote from J&W Heating and Air & Plumbing - ### [Ocean State Heating & Air Conditioning](https://askfivequestions.com/business/ocean-state-heating-air-conditioning-jacksonville/) ★ 4.9 (1067 reviews) · The Beaches - State license checked Ask for a quote from Ocean State Heating & Air Conditioning ### Also interviewed in Jacksonville - #### [Complete Air Systems](https://askfivequestions.com/business/complete-air-systems-jacksonville/) ★ 5.0 (537 reviews) · Jacksonville - State license checked - #### [Bold City Heating & Air](https://askfivequestions.com/business/bold-city-heating-air-jacksonville/) ★ 4.9 (2089 reviews) · Southside - State license checked **Interviews in progress.** Answers appear once each owner approves the final text. ## Why we ask these five 1. ### Cost Prices on websites are rare and rarely comparable. 2. ### Time A schedule tells you how a business plans. 3. ### Prepare A better first conversation gets you a firmer price. 4. ### Specialty Most businesses say they do everything. 5. ### Mistakes Businesses see the same mistakes again and again. ## Ready to talk to one of the 5? Send one short request, with your own question if you like, to the businesses you choose. ### Contact one or more of the 5 Send to Only the businesses you tick receive your details, and each replies directly. We may receive a fee from a business for each request; it never affects who is chosen. [How we make money](https://askfivequestions.com/how-we-make-money/). ## The facts behind the answers Rules and records behind what the businesses tell you. - Cooling degree days per year 3,303 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. Source: [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 96 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. Source: [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 $293,700 Median value of owner-occupied homes (ACS table B25077). Source: [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 55.1% 237,301 of 430,825 housing units were built in 1989 or earlier (ACS table B25034, year structure built). Source: [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US1235000) · 2020–2024 - Households in Jacksonville 394,370 Occupied housing units (one household per occupied home), ACS table B25003. Source: [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US1235000) · 2020–2024 - Atlantic hurricane season June 1 to November 30 An average season (1991–2020) has 14 named storms, 7 hurricanes and 3 major hurricanes. Source: [NOAA National Hurricane Center, Tropical Cyclone Climatology](https://www.nhc.noaa.gov/climo/) · 1991–2020 climate period Figures from public sources, checked October 31, 2026. Facts marked “Sample figure” illustrate what our data pipeline will fill in from the named source; they are not real counts. ## Ductwork & Air Quality Systems questions, answered ### How did the editors choose these ductwork & air quality systems 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 100 ductwork & air quality systems companies for Jacksonville. Paid placements never change the order. ### Which of these ductwork & air quality systems 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 ductwork & air quality systems 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 ductwork & air quality systems companies licensed? 5 of the 5 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 ductwork & air quality systems companies in Jacksonville? Get at least three. Use the quote form on this page: only the businesses you tick receive your request. ## How this page was made [Read the full methodology](https://askfivequestions.com/methodology/) 1. **100** ### Businesses checked 2. **5** ### Chosen on their record 3. **5 × 5** ### Same questions 4. **120** ### Words max, owner-approved Nobody can pay to be one of the 5 or to change an answer. [How we make money](https://askfivequestions.com/how-we-make-money/) · [Send a correction](https://askfivequestions.com/corrections/) ## More from Five Questions ### Related jobs - [HVAC Contractors](https://askfivequestions.com/jacksonville/hvac-contractors/) - [Air Duct Cleaning Companies](https://askfivequestions.com/jacksonville/air-duct-cleaning-companies/) - [Commercial HVAC Contractors](https://askfivequestions.com/jacksonville/commercial-hvac-contractors/) - [HVAC Repair](https://askfivequestions.com/jacksonville/hvac-repair/) - [HVAC System Replacement](https://askfivequestions.com/jacksonville/hvac-replacement/) - [AC Repair](https://askfivequestions.com/jacksonville/ac-repair/) - [Emergency AC Repair](https://askfivequestions.com/jacksonville/emergency-ac-repair/) - [AC Maintenance & Tune-Up](https://askfivequestions.com/jacksonville/ac-maintenance/) ### Nearby - [Miami](https://askfivequestions.com/miami/ductwork-air-quality/) - [Tampa](https://askfivequestions.com/tampa/ductwork-air-quality/) - [Orlando](https://askfivequestions.com/orlando/ductwork-air-quality/) - [Port St. Lucie](https://askfivequestions.com/port-st-lucie/ductwork-air-quality/) - [St. Petersburg](https://askfivequestions.com/st-petersburg/ductwork-air-quality/) - [Cape Coral](https://askfivequestions.com/cape-coral/ductwork-air-quality/) - [Hialeah](https://askfivequestions.com/hialeah/ductwork-air-quality/) - [Tallahassee](https://askfivequestions.com/tallahassee/ductwork-air-quality/) ### Before you hire - [How we choose and interview](https://askfivequestions.com/methodology/) ## Own a business in Jacksonville? 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