Top Rated Heating & Air Conditioning Contractors Serving Baltimore County, MD
Last Updated May 15, 2026
5302 Review Ratings and 4 Heating & Air Conditioning Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
Paramount Heating & Air Conditioning LLC
Paramount Heating & Air Conditioning LLC provides residential and commercial clients in Baltimore County with a wide variety of heating and air conditioning services. The company works on everything from HVAC upgrades and zoning system installations to HVAC troubleshooting and thermostat installations, and its technicians are known for their quality workmanship and honesty.
Services
Heating & Air conditioning Contractors including HVAC installation, air conditioner repair, HVAC replacement, air conditioning, water heater repair, indoor air quality, system replacement, repair and maintenance and mini-split installation.
Coverage Areas
The Baltimore Area, including Baltimore County—key cities including Hunt Valley, Chase, Brooklandville, Cockeysville, Butler, Freeland, Fork, Fort Howard, Baldwin and Boring.
- 4 Nashua Ct Bay 16
- Baltimore, MD 21221
Waynes Heating and Air
Waynes Heating and Air provides residential and commercial clients in Baltimore County with a wide variety of heating and air conditioning services. The company works on everything from HVAC installations and indoor air quality testing to HVAC troubleshooting and water heater repairs, and its technicians are known for their quality workmanship and honesty.
Services
Heating & Air conditioning Contractors including air conditioner repair, ductless heating and cooling systems, commercial air conditioning, water heater repair, HVAC replacement, a/c system installation and heater/furnace installation.
Coverage Areas
The Baltimore Area, including Baltimore County—key cities including Fort Howard, Freeland, Boring, Baldwin, Cockeysville, Hunt Valley, Fork, Chase, Butler and Brooklandville.
- 11908 Bluestone Rd
- Kingsville, MD 21087
Bamford Plumbing & Heating
Bamford Plumbing & Heating provides residential and commercial clients in Baltimore County with a wide variety of heating and air conditioning services. The company works on everything from HVAC troubleshooting and energy efficiency audits to furnace repairs and mini splits, and its technicians are known for their quality workmanship and honesty.
Services
Heating & Air conditioning Contractors including water heater repair, HVAC replacement, air conditioning, furnace repair, HVAC installation, backflow prevention, boilers and gas repairs.
Coverage Areas
The Baltimore Area, including Baltimore County—key cities including Brooklandville, Fork, Cockeysville, Butler, Boring, Freeland, Hunt Valley, Baldwin, Chase and Fort Howard.
- 6800 Martin Ave
- Dundalk, MD 21222
Beltway Air Conditioning & Heating
Beltway Air Conditioning & Heating offers a wide range of heating and air conditioning services to residential and commercial clients throughout Baltimore County. The company has the in-house capabilities to work on everything from water heater repairs and HVAC upgrades to ductwork installations and ventilation systems, and it customizes each project to meet the client’s budget requirements.
Services
Heating & Air conditioning Contractors including HVAC replacement, heating, commercial air conditioning, mini splits, HVAC installation, HVAC repair, high-velocity HVAC installation, commercial HVAC, indoor air quality, air duct cleaning, ductwork, thermostat installation, beltway service plan and virtual estimates.
Coverage Areas
The Baltimore Area, including Baltimore County—key cities including Chase, Cockeysville, Fort Howard, Hunt Valley, Baldwin, Butler, Fork, Boring, Freeland and Brooklandville.
- 1587 Sulphur Spring Rd
- Ste 109
- Arbutus, MD 21227
These companies have earned our Pre-Qualified Rating. Learn more about our 5-step process.
Rating Step 1 = Stars
Meet or exceed a
ONE AllRatings star score of 4.5.
Indicates the final super-composite calculation of all reviews scores from all sources, optimized for accuracy and recency.
Read ONE AllRatings methodologyRating Step 2 = License
Verified active and in good standing (when required).
State license bureau data is accessed and analyzed.
Rating Step 3 = Background
Satisfactory status.
Internet searches were performed seeking disqualifying information on each company.
Rating Step 4 = Complaints
Satisfactory status.
Complaint bureau records have been searched seeking disqualifying information on each company.
Search Better Business BureauRating Step 5 = Specialist
Satisfactory status.
Our research specialist verifies all ratings steps have been passed and creates a final report and profile.
Meet our research specialist team
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