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TRUSTED BY WALDORF, MD HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon515
    Verified heating and air conditioning services reviews

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

Avatar for McCarthy Services
McCarthy Services
4.2(
370
)
Central A/C - InstallCentral A/C - Service or RepairHeat Pump - Install or Replace+6 more

Serving Waldorf, 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.
88 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 Waldorf, 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 BlueStar Air Mechanical Inc.
BlueStar Air Mechanical Inc.
4.9(
32
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+47 more

Serving Waldorf, MD and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Danny treated me like an old friend with helpful and timely service. It was refreshing. He inspected the unit, found a failed capacitor caused by an add-on Michael and Sons installed last inspection. Danny replaced the failed part, removed the add-on, and I was back in business in less than 30 minutes. I have a new HVAC provider!"
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+13

Response time3 hrs
Response rate100%
6 neighbors recently requested a quote
Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Air Ducts & Vents - Clean

Serving Waldorf, 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
Avatar for C&C Home Services, LLC
C&C Home Services, LLC
4.5(
410
)
Air Ducts & Vents - Clean

Serving Waldorf, MD and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"Very good communication, reasonable price, punctual and professional crew, and quality result. C&C cleaned my dryer vent, bathroom vents, and HVAC ducts, and gave me useful info on making my HVAC system more efficient. Would hire again."
Outside dryer vent
Outside dryer vent
Outside dryer vent
Outside dryer vent
truck mounted vacuum 5300 cfm

+17

Response time20 mins
Recommended by95%of homeowners
Avatar for DMV Air Duct & Dryer Vent Cleaning
DMV Air Duct & Dryer Vent Cleaning
5.0(
125
)
Air Ducts & Vents - Clean

Serving Waldorf, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Small jobs welcome

"I hired DMV Air Duct & Dryer Vent Cleaning to clean my dryer vent. Great communication, great work/ service, reasonable price, and an honest business owner. Highly recommend Victor and DMV Air Duct & Dryer Vent Cleaning!"
Response time3 hrs
Response rate95%
58 neighbors recently requested a quote
J A W & Sons
4.7(
31
)
Thermostat - Repair or Reprogram

Serving Waldorf, MD and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quality work

At J A W & Sons, we take great pride our experience, expertise, quality and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

Response time1 day
2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for PMD Heating & Cooling LLC
PMD Heating & Cooling LLC
5.0(
15
)
Central A/C - Service or RepairThermostat - Repair or ReprogramDuctless Mini-split Heating System - Install or Replace+6 more

Serving Waldorf, MD and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

We take great pride in our reputation of experience, expertise, quality, and customer service to meet our consumers' needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of your project. We take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job from start to finish. We look forward to working on your next project.

Response time3 hrs
Response rate92%
13 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

If you’re looking for a portable, budget-friendly cooling solution that doesn’t require any venting or installation, a ventless AC system is a good option. Similarly, this is a great choice if you’re renting an apartment or home and aren’t allowed to make large, structural changes like installing comprehensive HVAC, or you’re in a shared space and only need to cool your own room.

The $5,000 rule for HVAC systems helps homeowners decide whether to repair or replace an AC or furnace. Take the quote for the HVAC repair cost and multiply that by the age of the HVAC system. If the total is higher than $5,000, it’s more cost-effective to replace the system. If the total is lower than $5,000, consider repairing the system.

In most cases, you should hire a professional to carry out services on your HVAC system, as the components are complicated, expensive, and potentially dangerous to work with. However, there are a few things you can do on your own to keep your HVAC system in good condition, including changing your filters every three months, keeping the area around your outdoor condenser clear of debris and plant growth, making sure your or intakes aren’t blocked, and keeping an eye out for increased energy bills, strange noises, and unusual odors related to your equipment.

When your HVAC system is loud, a few different causes are possible. If you have loose connections or bolts in the hardware, they can rattle as the system runs and vibrates. If you have an extremely dirty furnace filter, it could cause the system to generate noise. More commonly, an excessively loud HVAC system indicates a malfunction in the system. You may have a blower motor that is close to failing or a compressor that is breaking down. These issues require an immediate inspection.

An air conditioner’s watt usage depends on multiple factors, including the type of AC unit, its size, and how often you use it. With that said, most central air conditioners consume between 3,000 and 3,500 watts. Meanwhile, window AC units use 900 to 1,400 watts, and portable air conditioners consume 2,900 to 4,100 watts.

The Waldorf, 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.