--- title: HVAC Contractors in Mount Pleasant: A Local Guide | Local Three url: https://thelocalthree.com/guides/hvac-contractors-cost-mount-pleasant/ updated: 2026-11-04 --- [Local *Three* Selected, not listed](https://thelocalthree.com/) - [Mount Pleasant](https://thelocalthree.com/mount-pleasant/) - [HVAC Contractors](https://thelocalthree.com/hvac-contractors/) - [How we select](https://thelocalthree.com/how-we-select/) - [For businesses](https://thelocalthree.com/claim/) 1. [Home](https://thelocalthree.com/) 2. [South Carolina](https://thelocalthree.com/south-carolina/) 3. [Mount Pleasant](https://thelocalthree.com/mount-pleasant/) 4. [HVAC Contractors](https://thelocalthree.com/mount-pleasant/hvac-contractors/) 5. Cost guide Guide · Mount Pleasant · HVAC Contractors # Hiring hvac contractors in Mount Pleasant: costs, checks and questions The number on the first quote is rarely the number you end up paying. Here is how to compare quotes in Mount Pleasant, the costs they tend to leave out, and who we would call first. By **the Local Three editors** Updated November 4, 2026 · [how we work](https://thelocalthree.com/how-we-select/) ## The short answer Our editors’ picks for hvac contractors in Mount Pleasant are **Hero** , **Dunes Heating and Air Conditioning** and **Hay Tire Pros - Mt. Pleasant** , chosen from 9 local companies. Ask at least three for a written quote that prices the same work. ## Comparing quotes 1. **Ask for the same specification.** Scope, materials, finish and timing, written down, so each company prices the same job. 2. **Look for what isn’t there.** Permit fees, electrical work, clean-up and repairs to the surrounding area are the usual gaps. 3. **Check the payment schedule.** Payments should follow finished stages, with lien releases before the last one. 4. **Plan the calendar.** Ask how long permits take locally and how weather affects the schedule before you sign. ## Costs quotes often leave out - **Permits, survey and engineering** — ask who applies and who pays - **Electrical work** — often done by a separate licensed electrician - **Making good** — restoring lawns, paths and planting after the work - **Design or HOA review** — time more than money, but it can add weeks ## Questions worth asking Who will be on site every day? Is the warranty in writing and does it transfer if you sell? Can I see a job you finished at least five years ago? A good company answers all three without hesitation. **Sources and method.** Local facts come from the public sources cited below. No business paid to be quoted or mentioned. Spotted something out of date? [Send a correction](https://thelocalthree.com/corrections/). Local facts · Charleston ## Mount Pleasant, by the numbers Public records that add context to the quotes you’ll get. People per square mile 1,918 [Calculated from U.S. Census Bureau 2025 estimates and Gazetteer land area](https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html) · 2025 Land area 49.8 sq mi [U.S. Census Bureau, 2025 Gazetteer files](https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html) · 2025 Mount Pleasant residents 95,469 [U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025)](https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html) · July 1, 2025 Population change since 2020: from 90,997 (April 2020 base) +4.9% [U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025)](https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html) · 2020–2025 Public sources, checked November 4, 2026. Questions ## Cost questions answered How did the editors choose these HVAC contractors in Mount Pleasant? Editors shortlist businesses with strong ratings and enough reviews, check their records, and choose the final picks against the published criteria. We compared 9 HVAC contractors for Mount Pleasant. Which of these HVAC contractors in Mount Pleasant has the best reviews? Hero has a 5.0 rating from 386 public reviews, the highest on this page. Which of these HVAC contractors has the most reviews? Hay Tire Pros - Mt. Pleasant, with 698 public reviews. A long review history shows how a business handles many jobs. Are these HVAC contractors 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 HVAC contractors in Mount Pleasant? Get at least three. Use the quote form on this page: only the businesses you tick receive your request. Next step ## Who to call 1. 01 [Hero](https://thelocalthree.com/business/g-a50bade74b33f754/) 2. 02 [Dunes Heating and Air Conditioning](https://thelocalthree.com/business/g-9b3c763f5c041a6c/) 3. 03 [Hay Tire Pros - Mt. Pleasant](https://thelocalthree.com/business/g-682ef5d37732365f/) - [The three best hvac contractors in Mount Pleasant](https://thelocalthree.com/mount-pleasant/hvac-contractors/) More in Mount Pleasant ## Other selections - [AC Repair](https://thelocalthree.com/mount-pleasant/ac-repair/) - [Roofing Contractors](https://thelocalthree.com/mount-pleasant/roofing-contractors/) - [Auto repair shops](https://thelocalthree.com/mount-pleasant/auto-repair-shops/) - [Brake repair shops](https://thelocalthree.com/mount-pleasant/brake-repair-shops/) - [Tire shops](https://thelocalthree.com/mount-pleasant/tire-shops/) Trust ## How we work Our guides are written by our editors and checked again before every edition. [Read our methodology](https://thelocalthree.com/how-we-select/). For local businesses ## Is your business on Local Three? Claim your free profile to keep your details right. It takes five minutes and never affects our selection. 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Ratings and review counts are collected from public review platforms and were last refreshed on November 4, 2026 .