Same Day · Baltimore
Same-Day HVAC Companies in Baltimore, MD
Can't wait a week? These hvac companies in Baltimore offer same-day or next-day appointments. Call now to check availability.
As of June 2026, RatingsNearMe ranks 17 hvac companies in Baltimore, MD by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Complete Climate Services LLC with a 5.0-star rating from 876 Google reviews and an RNM Score of 88/100. Also in the top tier: GAC Services and Amazing Plumbing, Heating & Air. The average rating across all listed hvac companies in Baltimore is 4.8 stars from 1,572 reviews per business on average.
HVAC service in Baltimore: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated June 9, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Baltimore, Maryland is home to a variety of HVAC (heating, ventilation, and air conditioning) service providers. Consumers in the area should look for licensed, experienced HVAC contractors who can service and install a range of systems to keep homes and businesses comfortable year-round.
- ✓Variety of HVAC service providers in Baltimore, MD
- ✓Seek licensed, experienced HVAC contractors
- ✓Services include installation and maintenance of heating, ventilation, and air conditioning systems
Best Overall
Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical
Horizon Services stands out as the top-ranked HVAC provider in Baltimore due to its comprehensive service offerings and strong reputation across multiple home service categories.
Most Reviewed
Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical
A high review count indicates broad customer experience and trust, making it a reliable indicator of consistent service quality.
When choosing an HVAC provider in Baltimore, prioritize companies with a strong local reputation and verified reviews. Always request a detailed written estimate before work begins to avoid unexpected costs.
How to Choose a HVAC Companie in Baltimore
What to look for
- • Licensed and insured HVAC contractors
- • Experience working on systems similar to yours
- • Positive reviews and references from past customers
- • Transparent pricing and upfront estimates
Questions to ask
- • Are you licensed and insured to work in Baltimore, MD?
- • How long have you been servicing HVAC systems in the Baltimore area?
- • Can you provide references from recent customers?
Red flags
- ⚠ Contractors who cannot provide proof of licensing and insurance
- ⚠ Unusually low estimates without a clear explanation
- ⚠ Unwillingness to provide a detailed written contract
In Maryland, HVAC contractors must be licensed by the Maryland Department of Labor. Be sure to verify the contractor's license and insurance coverage before hiring.
Local Market Snapshot
17
Businesses listed
4.8★
Avg rating
1,572
Avg reviews
Jun 9, 2026
Last updated
Top Rated HVAC Companies
Trusted by hundreds of Baltimore customers with a perfect 5.0-star rating.
204 S Chapel St, Baltimore, MD 21231, USARated 4.9 stars from 7,386 Google reviews in Baltimore, MD.
227 E Deer Park Dr, Gaithersburg, MD 20877, USATrusted by thousands, this Baltimore HVAC company holds a stellar 4.8-star rating.
2630 Georgetown Rd, Baltimore, MD 21230, USAHVAC Companies Rankings in Baltimore, MD
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Complete Climate Services LLC204 S Chapel St, Baltimore, MD 21231, USA | 5.0★ | 876 |
| #2 | GAC Services227 E Deer Park Dr, Gaithersburg, MD 20877, USA | 4.9★ | 7,386 |
| #3 | Amazing Plumbing, Heating & Air2630 Georgetown Rd, Baltimore, MD 21230, USA | 4.8★ | 2,213 |
| #4 | Maryland Heating & Air1 Mace Ave, Essex, MD 21221, USA | 4.9★ | 415 |
| #5 | One Hour Air Conditioning & Heating®3702 Yosemite Ave, Baltimore, MD 21215, USA | 4.8★ | 232 |
| #6 | A.J. Michaels4512 York Rd, Baltimore, MD 21212, USA | 4.5★ | 313 |
| #7 | Sila Heating, Air Conditioning & Plumbing5515 Selma Ave Suite 2B, Halethorpe, MD 21227, USA | 4.9★ | 278 |
| #8 | Cozy Heating & Cooling, LLC4420 Hillside Ave, Baltimore, MD 21229, USA | 5.0★ | 134 |
| #9 | Beyond Cooling LLC3922 Vero Rd Rear L, Halethorpe, MD 21227, USA | 4.9★ | 82 |
| #10 | Blue Dot. Heating Air Conditioning Plumbing125 Industry Ln, Forest Hill, MD 21050, USA | 4.5★ | 7,767 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All HVAC Companies in Baltimore
3702 Yosemite Ave, Baltimore, MD 21215, USA
5515 Selma Ave Suite 2B, Halethorpe, MD 21227, USA
4420 Hillside Ave, Baltimore, MD 21229, USA
Trusted by thousands with a strong 4.5-star rating from over 7,700 reviews.
125 Industry Ln, Forest Hill, MD 21050, USA
Trusted by hundreds with a strong 4.6-star rating from over 800 reviews.
6801 Eastern Ave # 209, Baltimore, MD 21224, USA
2826 Pinewood Ave, Baltimore, MD 21214, USA
1215 67th St, Baltimore, MD 21237, USA
Exceptional 4.8-star rating from thousands of Baltimore reviews.
2607 Rolling Rd. #201, Windsor Mill, MD 21244, USA
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HVAC Companies in Baltimore, MD — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Complete Climate Services LLC | 88/100 | 5.0 ★ | 876 |
| 2 | GAC Services | 87/100 | 4.9 ★ | 7,386 |
| 3 | Amazing Plumbing, Heating & Air | 85/100 | 4.8 ★ | 2,213 |
| 4 | Maryland Heating & Air | 87/100 | 4.9 ★ | 415 |
| 5 | One Hour Air Conditioning & Heating® | 85/100 | 4.8 ★ | 232 |
| 6 | A.J. Michaels | 80/100 | 4.5 ★ | 313 |
| 7 | Sila Heating, Air Conditioning & Plumbing | 87/100 | 4.9 ★ | 278 |
| 8 | Cozy Heating & Cooling, LLC | 85/100 | 5.0 ★ | 134 |
| 9 | Beyond Cooling LLC | 81/100 | 4.9 ★ | 82 |
| 10 | Blue Dot. Heating Air Conditioning Plumbing | 80/100 | 4.5 ★ | 7,767 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
Frequently Asked Questions — HVAC Companies in Baltimore
How do I find the best hvac companies in Baltimore?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Baltimore on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Baltimore licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, MD requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do hvac companies charge in Baltimore, MD?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a hvac companies in Baltimore?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: June 9, 2026.
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