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TRUSTED BY GLEN ARM, MD HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon786
    Verified heating and air conditioning services reviews

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

Avatar for Pure Air HVAC, LLC
Pure Air HVAC, LLC
4.8(
73
)
Gas Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - Repair - For Business+4 more

Serving Glen Arm, MD and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"Really fast and professional service when our HVAC broke in the peak of summer. Had it up and running in almost no time. My advice to first time homeowners like me in these cases is to always make sure you know what repairs and actions are being done. It'll help in regards to money."
Carrier Infinity 16 SEER Heat Pump
Masters license
Carrier Infinity Series 16 SEER Heat Pump
Carrier 90% Propane Gas Furnace
Carrier Heat Pumps 16 SEER

+8

Response time5 hrs
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for DUCTZ of the Upper Bay Region
DUCTZ of the Upper Bay Region
4.9(
121
)
Air Ducts & Vents - Clean

Serving Glen Arm, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"DUCTZ- did a complete hvac duct cleaning, including blower motor and indoor coil unit. The technicians Jamie & Jim did a excellent job. I highly recommend this company and this service."
Trunk line before cleanin
Trunk Line after cleaning
Evaporator Coil
Return inside stud wall
Supply Branch

+3

Response time8 hrs
Recommended by99%of homeowners
Avatar for Amazing Heating and Air Conditioning, Inc.
Amazing Heating and Air Conditioning, Inc.
4.5(
190
)
Central A/C - InstallCentral A/C - Service or RepairGas Furnace / Forced Air Heating System - Install+10 more

Serving Glen Arm, MD and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"After signing a contract on a Monday for a specific brand of heat pump they texted me Thursday morning, 24 hours prior to installation to announce they were changing the brand being installed. After a number of calls I had to agree to a substitute brand. Otherwise they told me it would be 4 weeks to get the original brand."
Rolloff Residence
Rolloff Residence
Rolloff Residence
Rolloff Residence
Jamerson Residence

+5

Response time1 day
42 neighbors recently requested a quote
Recommended by83%of homeowners
HVAC Sales, LLC
5.0(
10
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceDuctless Mini-split Heating System - Install or Replace+5 more

Serving Glen Arm, MD and surrounding areas

Approved

In business since 1982

Warranties offered

Credit card accepted

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. Our major focus is on the quality our work and producing outstanding results. We are committed to creating a level of value unmatched by any of our competitors. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

Ductless system
Ductless spilt system
Ductless split system
Ductless split system
Heat Pump system

+6

Response time5 hrs
Response rate98%
Recommended by100%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 Glen Arm, 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 Regal Duct Cleaning
Regal Duct Cleaning
4.9(
69
)
Air Ducts & Vents - Clean

Serving Glen Arm, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Credit card accepted

"Julius has been really helpful and knowledgeable about how HVAC works. He cleaned the system really good and I have no problems at all. Was very professional and thorough with the job; made sure we were well informed of what we having performed and offered services without pressure. Really happy we went with this company. Highly recommend!"
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+12

Response time8 hrs
Recommended by92%of homeowners
Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Air Ducts & Vents - Clean

Serving Glen Arm, 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."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+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

High humidity, bad insulation, warmth from sunlight, and poor circulation are all reasons your home’s hotter inside than out. While this is what you want in the colder months, summer can become unbearable if this is a constant. Try to find the cause, but you need to remember that issues like this require a permanent fix (unless you want to bear down during the summer months).

A common HVAC rule is that for every 500 to 600 square feet of living space, you need 1 ton of heating or cooling capacity. Now that you know this common rule, you also need to know that it isn’t very accurate, and a dedicated pro wouldn’t use it for your home. If you talk to a pro who won’t or can’t perform a proper Manual J calculation, consider hiring someone more thorough.

A calculation method that your HVAC contractor will use to ensure your system does what it's supposed to is measuring duct output, or its CFM. The calculation requires knowing the cross-sectional area of the ductwork and determining the air speed past any given point within it.

Yes, HVAC zoning is generally considered worth the investment by both experts and homeowners. Zoned systems offer significant benefits in convenience, efficiency, and comfort by allowing you to set different temperatures for various rooms or 'zones' in your house. This ability to heat and cool only the spaces you're using leads to energy savings and lower utility bills. Zoned systems are especially effective in multi-level homes that experience temperature fluctuations, but even smaller homes can benefit from the ability to adjust temperatures more quickly. While the up-front installation cost can be high, many find it's a worthwhile long-term investment, particularly for those who plan to stay in their home for a while.

You can buy R-22 refrigerant for your home air-conditioning system through your local AC repair specialist, who can also refill your R-22 system as needed. You may find that the cost of R-22 has gone up due to shortages as the EPA banned this refrigerant. Ask your pro to inspect your system for any leaks or issues.

The Glen Arm, 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.