Top 10 HVAC Companies in Baltimore, MD

Updated March 2026

Quick Answer

The best HVAC companies in Baltimore, MD for 2026 include Complete Climate Services LLC (5★), Amazing Plumbing, Heating & Air (4.8★), Michael & Son Services (4.7★). All are licensed, insured, and highly rated for AC repair, heating service, and HVAC installation.

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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
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
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
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
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
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
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
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
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
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

About These Listings

Provider details on this page come from public business information and each provider's own website. Inclusion here is not an endorsement, and the order shown is not a guarantee of quality. Before hiring, verify licensing, insurance, and pricing directly with the company — request written quotes and confirm credentials with your state or local licensing board.

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Frequently Asked Questions

How much does HVAC repair cost in Baltimore, MD?

HVAC repair in Baltimore typically costs $150-$450 for common issues like refrigerant recharge, thermostat replacement, or capacitor repair. AC compressor replacement runs $1,200-$2,800. Full system replacement costs $4,500-$12,000 depending on size and efficiency rating.

How often should I service my HVAC in Baltimore?

HVAC professionals in Baltimore recommend servicing twice a year — spring for AC and fall for heating. Regular maintenance prevents breakdowns during extreme weather and can extend your system's lifespan by 5-10 years.

Do Baltimore HVAC companies offer emergency service?

Yes, most top-rated HVAC companies in Baltimore offer 24/7 emergency service for no-heat, no-AC, and refrigerant leak situations. Response times are typically 60-90 minutes. Emergency premiums add $100-$250 to standard rates.

What size HVAC system do I need for my Baltimore home?

Most homes in Baltimore need 2.5 to 5 tons of cooling capacity. A rough guide: 1 ton per 400-600 sq ft depending on climate, insulation, and sun exposure. Always get a Manual J load calculation from a licensed HVAC contractor for accurate sizing.