Best HVAC companies in Annapolis, MD
The highest-scoring HVAC company in and near Annapolis is Cornett Heating & Cooling (score 92, 5.0 stars from 1,126 Google reviews). 35 companies meet the 5 Star standard within about 16 miles; the top 30 are ranked below.
- 1
Cornett Heating & Cooling
Cornett Heating & Cooling is a family-owned HVAC company serving homes and light commercial properties in Anne Arundel County, Maryland. The company provides air conditioning installation and repair, gas furnace insta…
Emergency service92SCORE - 2
Staton Heating, Cooling & Plumbing
Staton Heating, Cooling & Plumbing is a second-generation, family-owned and operated company serving central Maryland and the Eastern Shore. The company says it has provided home services since 1983 and is fully licen…
Financing availableEmergency service90SCORE - 3
Boothe's Heating, Air, Plumbing, Drains & Electrical
Boothe's Heating, Air, Plumbing, Drains & Electrical serves homeowners in Annapolis, Anne Arundel County, and Prince George's County. The company has operated since 1993 and is led by owner Wayne Boothe. Its HVAC work…
Financing availableEmergency service90SCORE - 4
Belair Engineering and Service Company, Inc.
Belair Engineering and Service Company, Inc. provides HVAC, plumbing, generator, fireplace, and indoor air quality services for homeowners in Bowie, Crofton, Annapolis, and Prince George's County. Founded in 1962, the…
InsuredFree estimatesEmergency serviceFinancing available88SCORE - 581SCORE
- 680SCORE
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David E White's Plumbing, Heating & Repair Company
Emergency service80SCORE - 878SCORE
- 977SCORE
- 1076SCORE
- 1176SCORE
- 1276SCORE
- 1375SCORE
- 1475SCORE
- 1574SCORE
- 1673SCORE
- 1772SCORE
- 1871SCORE
- 1971SCORE
- 2070SCORE
- 2169SCORE
- 2268SCORE
- 2368SCORE
- 2468SCORE
- 2567SCORE
- 2666SCORE
- 2766SCORE
- 2866SCORE
- 2964SCORE
- 3063SCORE
Compare the top 10
| # | Company | Score | Google rating | Reviews | Years | Based in |
|---|---|---|---|---|---|---|
| 1 | Cornett Heating & Cooling | 92 | 5.0 | 1,126 | 35 | Pasadena |
| 2 | Staton Heating, Cooling & Plumbing | 90 | 4.9 | 3,731 | 43 | Annapolis |
| 3 | Boothe's Heating, Air, Plumbing, Drains & Electrical | 90 | 4.9 | 2,315 | 33 | Curtis Bay Industrial Area |
| 4 | Belair Engineering and Service Company, Inc. | 88 | 4.9 | 1,514 | 64 | Upper Marlboro |
| 5 | Barstow & Sons Heating and Cooling | 81 | 4.9 | 1,446 | – | Annapolis |
| 6 | Grove Heating & Cooling | 80 | 4.9 | 1,249 | – | Crofton |
| 7 | David E White's Plumbing, Heating & Repair Company | 80 | 5.0 | 358 | – | Annapolis |
| 8 | Beltway Air Conditioning, Heating and Plumbing | 78 | 5.0 | 220 | – | Severn |
| 9 | Lion's Plumbing and Heating | 77 | 4.9 | 511 | – | Bowie |
| 10 | Bethany Air | 76 | 4.8 | 1,381 | – | Edgewater |
Before You Call: A First-Call Sequence for Annapolis HVAC Companies
The ranked cards and the top 10 table above get you to a shortlist. They cannot tell you whether a company will take your job at your address, or whether a credential is current today. This section gives you a short sequence to run on each Annapolis HVAC company you plan to call: compare the contact details, confirm the job, then check Maryland HVACR credentials yourself. We are an independent comparison directory. We are not an HVAC contractor, a professional reviewer, or a licensing authority, and nothing here suggests that any listing is wrong. It is a way to make your first call count.
Step 1: Compare the card with the company's own contact page
Start from the card, then open the linked website and find the contact page on the company's own site. Look at the phone number and web address there next to what we show. Treat this as a cross-check, not verification: the company's site is one more source to compare, and it does not by itself settle which detail is correct. If the two differ, we cannot tell you which is current, because a directory and a business website can each lag behind a change. Do not pick a winner. Ask the business, using a channel you checked on your own, which details it wants customers to use.
- Open the website from the card link, then use the contact page on that site rather than a search snippet or an ad.
- Compare the phone number and website address with the card, and write down any difference along with the date you checked.
- If the details disagree, reach the business through a channel you verified yourself and ask it to clarify the right number and address.
- Send us what you found through our contact page and we will review the listing.
Step 2: Confirm your address and the job with the business
A place on this page does not mean a company accepts your address or your kind of work. Only the business can say that. Use the first minutes of the call to settle it, before you spend time on anything else. Having your system details ready also keeps the conversation short, and ENERGY STAR suggests gathering the model and maintenance history before you call.
- Give the street address, or at least the town and ZIP code, and ask whether the company schedules visits there.
- Name the work type: repair, replacement, maintenance, or a new installation, and whether the property is residential or commercial.
- Share the system's age, brand, the model number from its label if you can find it, and any recent maintenance or symptoms.
- Ask how soon a visit is possible and whether there is a charge for the visit or the quote, and write the answer down.
Step 3: Ask for credential details, then check Maryland's records yourself
Maryland Labor asks consumers to check an individual or business license before doing business. Its HVACR board licenses and regulates individuals who provide residential and commercial HVACR services. Ask the company which credential details apply to your job and who would perform it. Then open Maryland Labor's licensing query page, choose Heating, Ventilation, Air Conditioning and Refrigeration, and match the person, the business, and the credential details on your own. We have not checked any company for you.
- Ask for the name of the credential holder, the credential number, and the business name it is held under, as they apply to your job.
- On the state page, pick the HVACR query and compare what you find with what the company told you.
- If details are missing or do not line up, go back to the company and ask it to explain, or contact the Maryland HVACR board using the contact details on the state's HVACR page.
- Note the date of your search, since records can change. A missing or unclear match is a reason to ask more questions, not a conclusion about legal compliance.
Where our score fits and where it stops
Our score is built from review data, and our methodology page explains what we count. Licensing coverage outside Texas is still being added. That means a high rank here cannot establish that a company holds a current Maryland credential. Use the rank to decide who to call first. Use the state's records for credential status.
- Treat the ranking as a way to order your calls, not as a hiring decision.
- Rely on Maryland Labor's lookup, not our card, for whether a credential matches.
- Read our methodology to see which signals go into a score and which are not yet covered.
For each Annapolis HVAC company on your list, work through the sequence in order: compare the contact details, confirm your address and job, then check the credential before you book. Keep your own notes, because the hiring decision is yours. If a card looks out of date or something you find does not match, tell us through our contact page and we will take a look.
Sources reviewed October 23, 2026: Maryland Labor: check an individual or business license · Maryland Labor: HVACR licensing and board contacts · ENERGY STAR: 10 tips for hiring a heating and cooling contractor · How our scores work (methodology) · Send us a correction
HVAC companies in Annapolis: quick answers
Who is the highest-rated HVAC company in Annapolis, MD?
Cornett Heating & Cooling has the highest 5 Star Score among HVAC companies in and near Annapolis: 92 out of 100, with a 5.0 star Google rating from 1,126 reviews.
How many 5 Star HVAC companies serve Annapolis?
35 HVAC companies meet our standard within about 16 miles of Annapolis: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 19,090 Google reviews between them, averaging 4.91 stars.
How are these HVAC companies ranked?
By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.
HVAC companies near Annapolis
- Laurel, MD (83)
- Baltimore, MD (70)
- Washington, DC (75)
- Alexandria, VA (65)
- Rockville, MD (43)
Other pros in Annapolis
- Plumbers (34)
- Electricians (23)
- Roofers (23)
- Garage door companies (8)
Search another area
Try a zip code, a nearby city, or a state.
Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.