Best HVAC Contractors in Baltimore, MD

Updated March 2026 · Based on licensing, reviews & response time

How We Identified the Best Hvac in Baltimore, MD

Our "best" ranking goes beyond star ratings. We evaluated hvac companies in Baltimore, MD on licensing, insurance, complaint history, response time, and pricing transparency to surface the truly top-tier options.

💡 Quick Tips:
  • Verify the company's license number on your state's contractor board website
  • Read recent reviews specifically from Baltimore, MD customers, not just overall ratings
  • Ask about warranties on both parts and labor before signing a contract
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1

Complete Climate Services LLC

204 S Chapel St, Baltimore, MD 21231
★★★★★ 5 (810 reviews)
Licensed & Insured24/7 EmergencyTop Rated
Services: AC Repair · Furnace Repair · HVAC Installation · Duct Cleaning
Baltimore, MD (443) 222-0744
2

Amazing Plumbing, Heating & Air

2630 Georgetown Rd, Baltimore, MD 21230
★★★★½ 4.8 (2,138 reviews)
Licensed & Insured24/7 EmergencyHighly Reviewed
Services: AC Repair · Furnace Repair · HVAC Installation · Duct Cleaning
Baltimore, MD (410) 864-9280
3

Michael & Son Services

6420 Erdman Ave, Baltimore, MD 21205
★★★★½ 4.7 (8,267 reviews)
Licensed & Insured24/7 EmergencyHighly Reviewed
Services: AC Repair · Furnace Repair · HVAC Installation · Duct Cleaning
Baltimore, MD (410) 929-7190
4

Maryland Heating & Air

1 Mace Ave, Essex, MD 21221
★★★★½ 4.9 (381 reviews)
Licensed & InsuredTop Rated
Services: AC Repair · Furnace Repair · HVAC Installation · Duct Cleaning
Baltimore, MD (855) 410-8324
5

Beltway Air Conditioning, Heating & Plumbing

2600 Cabover Dr unit a, Hanover, MD 21076
★★★★½ 4.9 (2,256 reviews)
Licensed & Insured24/7 EmergencyHighly ReviewedTop Rated
Services: AC Repair · Furnace Repair · HVAC Installation · Duct Cleaning
Baltimore, MD (443) 727-1542
6

Len The Plumber Heating & Air, LLC

3610 Commerce Dr #808, Halethorpe, MD 21227
★★★★½ 4.7 (16,310 reviews)
Licensed & Insured24/7 EmergencyHighly Reviewed
Services: AC Repair · Furnace Repair · HVAC Installation · Duct Cleaning
Baltimore, MD (410) 324-3635
7

Cozy Heating & Cooling, LLC

4420 Hillside Ave, Baltimore, MD 21229
★★★★★ 5 (131 reviews)
Licensed & InsuredTop Rated
Services: AC Repair · Furnace Repair · HVAC Installation · Duct Cleaning
Baltimore, MD (443) 438-0476
8

One Hour Air Conditioning & Heating®

3702 Yosemite Ave, Baltimore, MD 21215
★★★★½ 4.8 (226 reviews)
Licensed & Insured
Services: AC Repair · Furnace Repair · HVAC Installation · Duct Cleaning
Baltimore, MD (301) 685-0314
9

SuperTech Services

9590 Deereco Rd, Timonium, MD 21093
★★★★½ 4.9 (627 reviews)
Licensed & Insured24/7 EmergencyTop Rated
Services: AC Repair · Furnace Repair · HVAC Installation · Duct Cleaning
Baltimore, MD (443) 383-6898
10

At Your Service Heating and Cooling LLC

6801 Eastern Ave # 209, Baltimore, MD 21224
★★★★½ 4.6 (816 reviews)
Licensed & Insured24/7 Emergency
Services: AC Repair · Furnace Repair · HVAC Installation · Duct Cleaning
Baltimore, MD (410) 406-7925

How We Ranked These Baltimore Pros

Our rankings are based on a weighted evaluation of five key factors:

  1. Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
  2. Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
  3. Response Time — Companies offering same-day or 24/7 emergency service score higher.
  4. Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
  5. Experience & Longevity — Years serving the Baltimore market and breadth of services factor into overall reliability.

Rankings are reviewed quarterly. Have a correction? Contact us.

Common Best Hvac Questions

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