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TRUSTED BY INDIAN HEAD, MD HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon539
    Verified heating and air conditioning services reviews

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

Avatar for McCarthy Services
McCarthy Services
4.2(
370
)
Central A/C - InstallCentral A/C - Service or RepairGas Furnace / Forced Air Heating System - Install+6 more

Serving Indian Head, MD and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Credit card accepted

"I had a great experience with McCarthy. They entertained the other offers I had for HVAC replacement, agreed to what felt like a very fair price and did a great job the next day doing the replacement. I'd highly recommend them to anyone for HVAC work."
Installing a new A/C system.
66 neighbors recently requested a quote
Recommended by91%of homeowners
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 Indian Head, MD and surrounding areas

Approved

In business since 1936

Free estimates

Emergency services offered

"I couldn't be happier with the service I received from McCrea Heating and Air Conditioning Services of Maryland. Upon returning from vacation on a 100 degree July day, I found my old HVAC system basically dead (90 degrees in my kitchen!) ... Shane immediately came out to provide an estimate, we signed a contract on the spot, and he kindly provided some freon to hold me over until the new system could be installed. Brian and Nick showed up exactly on time to install the unit, used drop cloths to protect my flooring, and were exceedingly polite and professional throughout. I'd highly recommend this organization."
Additional Photos
Additional Photos
Additional Photos
6 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Air Ducts & Vents - Clean

Serving Indian Head, 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
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+50

Response time10 hrs
1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Mack's Home Services, LLC
Mack's Home Services, LLC
4.7(
603
)
Air Ducts & Vents - Clean

Serving Indian Head, MD and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"My experience with Mack’s Home Services, LLC was excellent. The people are very professional and did a tremendous job. They were courteous, explained their services and pricing clearly, and things went exactly as they communicated. They were very respectful and operated very carefully throughout our home. I will use them whenever I need our HVAC systems cleaned in the future and strongly recommend them. You will not be disappointed."
Response time3 hrs
1 neighbors recently requested a quote
Recommended by99%of homeowners
Avatar for 3MMECHANICAL
3MMECHANICAL
4.9(
34
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - Repair - For Business+5 more

Serving Indian Head, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Emergency services offered

Warranties offered

"I hired 3M after considering several other sources for furnace repair. In reviewing other proposals I found excessive charges. 3M called me and when I told him about my problem he asked if he could come and look at it. He arrived as scheduled, was professional, courteous, and thorough. After checking out the furnace he gave me an estimate that was half of my other bids. He obtained the parts, and in working on rhe system found another problem with a transformer. He obtained the part and after completing the repair said that the new parts had cost more than his estimate, but since he had missed the problem initially, he would not charge me for the extra labor. I immediately realized I was dealing with an honest person ... a rarity these days. 3M is now my permanent source for all my HVAC needs. There is no better source available than 3M."
SERVICE CALLS
SERVICE CALLS
SERVICE CALLS
SERVICE CALLS
SERVICE CALLS

+8

Response time3 hrs
Response rate89%
1 neighbors recently requested a quote
Avatar for HPC Services
HPC Services
5.0(
13
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Indian Head, MD and surrounding areas

Approved

In business since 2024

Emergency services offered

Warranties offered

"I would highly recommend HPC Services! They responded quickly when we called for an estimate on a new heat pump. The gentlemen who were in our home installing the unit were professional and polite and very nice to our little dogs. Sergio stayed and answered all of our questions until late in the evening. They offered us a free duct cleaning and that was completed on Monday after the Friday install. Emmett worked quickly and professionally. He was so very nice and easy to talk to. I was most impressed with the fact that they offer a Veterans discount. If are looking for an amazing company for any HVAC work, I urge you to give them a call!! Karen Hamner"
HVAC
Plumbing
HPC Services HVAC and Plu
HPC Services HVAC and Plu
HPC Services HVAC and Plu

+5

Response time5 hrs
Recommended by91%of homeowners
Avatar for Elite Home Services
Elite Home Services
4.5(
206
)
Air Ducts & Vents - Clean

Serving Indian Head, MD and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Eddie arrived on time and did a thorough job. He shared pics and videos of before and after and sent to me - as it is my rental property - I don't live there. He recommended how best to keep the system in optimal condition. He also cleaned the dryer vent and identified another situation with my HVAC that needed attention. I highly recommend Eddie."
UV LIGHT
Dirty Floor Vent
Dirty Vent
Cleaning Process
High Dryer Vent

+1

Response time1 hour
Response rate100%
649 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

It’s normal to hear a low humming sound as air moves through your vents. Most of the time, you probably won’t even notice it. However, if that sound becomes disruptive or if you hear more concerning noises (such as rattling, clicking, banging, hissing, or grinding), there might be a problem with your HVAC system.

Yes, you should turn off your AC if it’s leaking. Turning off the system prevents more condensation from leaking and reduces strain on the unit if a damaged internal component or lack of refrigerant is the cause. While this may temporarily stop the leak, water can continue to drip from a thawing coil even after the system is off. As soon as you notice a leak, turn off the unit and investigate the source or call a professional for an inspection.

Yes, ventless portable air conditioners exist, and not all standard portable air conditioners must be vented through a window.

Ventless portable units, often called evaporative coolers, do not have exhaust hoses. They use a water reservoir and a cooling pad to add moisture to the air, making it feel cooler. These units work best in dry climates because humid areas cannot absorb much additional moisture.

For standard portable air conditioners that do require venting, a window is not the only option; they can also be vented through a door, wall, or ceiling. However, it is essential to vent these units properly. Running a standard portable AC without venting it is counterproductive because it needs to expel heat to cool the room. Failing to do so will only increase the room's temperature.

Look up your model number online to find additional information. Usually, you can just take a look at the old filter and find the brand name and dimensions to order a new one. When replacing the filter, always check that it’s pointed the right way to match the direction of your airflow. Many filters have arrows on them to help with this step.

While it is possible to add Freon to your AC unit yourself, it is not recommended. In fact, the U.S. Environmental Protection Agency (EPA) prohibits the handling of Freon without a license. Freon is a dangerous gas that can cause irreversible damage to your AC or yourself if not installed correctly. It is worthwhile to hire a professional to add Freon to your AC.

The Indian Head, 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.