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TRUSTED BY ARNOLD, MD HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon1.2k+
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Arnold - Updated Nov 2026

Avatar for Grove Heating and Cooling Inc
Grove Heating and Cooling Inc
4.7(
153
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+37 more

Serving Arnold, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"I had them replace my entire HVAC system (furnance + AC). They did a great job through the whole process. Out of four quotes I received, they were the only ones that took the time to do a full heating and cooling load calculation for my house when they came to do an estimate in addition to making detailed measurements of our utility room to make sure anything they installed would fit. They gave me three proposals ranging from low-end, mid-range, and high end options and explained the equipment in each of them in detail, including documenting all the model numbers, efficiency ratings, and specs. What they recommended matched up with my research I did prior to receiving estimates. They were very responsive, knowledgeable, and professional so I gave them the job. The crew arrived on time, worked hard the whole day, were respectful of my house, and did not require supervision (although, they told me I was more than welcome to ask questions and watch anything they were doing). They cleaned up, explained the warranty and rebate options with all the paperwork already filled out so that all I had to do was sign--they even mailed both the warranty and rebate off for me. The whole process went great. While their prices were fair they were not the cheapest, but I have no doubt they did a great job, didn't cut corners, and will stand by their work if I experience any problems. They are a reasonably sized HVAC business and not a one-man-band shop like many places in the area, so I know they will likely still be around through the life of the warranty and are well staffed to respond to emergencies, including a 24/7 emergency service number. Overall, we're very happy with the new system and it's a huge improvement over what it replaced--both the AC and furnace are much quieter than the old units, more energy efficient, and perform better. It's been a month since the install and everything has been working fine without problems."
Response time5 hrs
Response rate100%
17 neighbors recently requested a quote
Avatar for McCrea Heating & Air Conditioning Services of MD
McCrea Heating & Air Conditioning Services of MD
4.5(
318
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+22 more

Serving Arnold, MD and surrounding areas

Approved

In business since 1936

Free estimates

Emergency services offered

"The technician was punctual, knowledgeable of a myriad of products and services related to my home HVAC system. He was cordial and answered all my questions accurately. Where needed, he provided guidance and advise. He's work was done in a timely manner and without any mess. The workmanship was excellent and everything works properly since installed."
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6 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Carroll Mechanical, Inc.
Carroll Mechanical, Inc.
5.0(
26
)
Central A/C - Service or RepairGas Furnace / Forced Air Heating System - RepairHeat Pump - Repair or Service+5 more

Serving Arnold, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"Carroll Mechanical delivered a 10/10 experience, from start to finish. From the first call, the Carroll Mechanical team demonstrated that they were knowledgable, ethical, and customer-first. First, they offered to help me troubleshoot, and they gave me some great tips that allowed me to try and fix the problem myself before they made a service call. As a not-so-handy guy, I realized that I needed the pros, so I requested on-site help. They immediately offered to come over on the day and time most convenient for me, and they spent time with me walking through the pros/cons of different HVAC options. Ultimately, the team explained the pros/cons of different remediation options, offered me an extremely competitive quote, and was transparent all along the way. I moved forward with a system replacement, which they were able to accommodate the same week(!!). The Carroll Mechanical team was timely, detail-oriented, and respectful of my home, and the HVAC system was installed as expected."
Trane Heat Pump
Carrier AC + Furnace
Response time5 hrs
103 neighbors recently requested a quote
Recommended by21%of homeowners
Avatar for Beltway Air Conditioning, Heating & Plumbing
Beltway Air Conditioning, Heating & Plumbing
4.6(
120
)
Central A/C - InstallCentral A/C - Service or RepairGas Furnace / Forced Air Heating System - Install+16 more

Serving Arnold, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"New Beltway is the best choice for your HVAC repair needs! They have the friendliest staff, amazing service, and quality work at fair prices. I had Haden and Shane come out and was very impressed by their kind nature and expertise. I would recommend them to anyone."
Brazing
XC25
XC25
Our Team!
Response time1 day
103 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Pohlman Plumbing Inc
Pohlman Plumbing Inc
4.4(
42
)
Air Ducts & Vents - CleanCentral A/C - InstallCentral A/C - Service or Repair+37 more

Serving Arnold, MD and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

Pohlman Plumbing is a local, family-owned and -operated full-service plumbing and HVAC company serving the Baltimore metro area. Founded in 2008, our professional and friendly customer service plus our top-notch skills have made us one of the most trusted local plumbers in Baltimore. \n \nWhen you choose to work with Pohlman Plumbing, you can have peace of mind knowing we always stand by the Pohlman Promise: fast service, at a fair price, and done right the first time.

Finished Shower
Finished Shower
Panoramic View
Vanity
Mid-replacement

+10

Response time8 hrs
Response rate97%
Recommended by86%of homeowners
Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Air Ducts & Vents - Clean

Serving Arnold, MD and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Great! He provided additional information, suggesting I install a UV Light Air Purifier to my HVAC system. Which would help eliminate the possibility of mold growing in my vents."
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+50

Response time10 hrs
1 neighbors recently requested a quote
Recommended by93%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

Florida rooms can have heat or air conditioning, although not all do. These rooms can be added to the existing HVAC system or use a mini-split system, or they may just use a ceiling fan or the breeze from the windows for cooling. Florida rooms with air conditioning often have glass windows to keep the cool inside instead of just mesh screens.

To lower humidity quickly, run a dehumidifier or your home's air conditioner or turn on exhaust fans to extract moisture. These methods can quickly and effectively bring your home's humidity levels to a comfortable condition. However, you should consistently practice humidity-reducing tasks to maintain proper indoor humidity levels.

You may be able to clean mold from your air conditioner in some cases. If the mold growth only takes up a small area, you can use either vinegar or bleach mixed with water to remove it. Larger areas of mold should be left to the professionals, though. It's also a good idea to leave mold removal to the pros if you are sensitive to mold or have asthma. 

No, it's not advisable to only replace the outside AC unit connected to your system. AC units are designed to work as a cohesive system, and older units work differently than newer units. Therefore, replacing only one component can lead to incompatibilities that affect the system’s performance. Replacing one component can void your warranty, costing you money for repairs.

The standard HVAC warranty is around five years. Still, many brands offer an extension to 10 years if you register the product within a specific timeframe, typically 60 to 90 days post-purchase or HVAC installation. Over the past decade, warranty periods have substantially increased, shifting from 3-5 years in the 90s to the now-prevalent 10+ year warranties. Both warranty types cover parts failing due to manufacturer defects, incurring no additional costs. Some manufacturers provide extended warranties surpassing the usual 15- to 20-year window, though these often involve extra fees. 

The Arnold, MD homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.