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Find Central a/c service or repairers in Pasadena

Avatar for Supreme Service Today
Supreme Service Today
4.4(
475
)

Serving Pasadena, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Supreme was polite, professional, and timely. They serviced the system and explained what items require repairs for long-term efficiency. I was very pleased and contacted them again for another system's servicing."
Response time1 day
Response rate89%
90 neighbors recently requested a quote
Avatar for Grove Heating and Cooling Inc
Grove Heating and Cooling Inc
4.7(
153
)

Serving Pasadena, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"As a new customer, I was surprised and pleased that the service could be performed on the same day I made the request. Mike was very thorough and professional, and provided a clear explanation of our system and new wi-fi thermostats. Everything was done efficiently - I am looking forward to having Grove maintain our system on our annual maintenance plan."
Response time3 hrs
21 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Bamford Plumbing and Heating Inc
Bamford Plumbing and Heating Inc
4.8(
65
)

Serving Pasadena, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Emergency services offered

Warranties offered

"The repairman called to let us know he was running late which was greatly appreciated. A part needed to be ordered and the repair was completed within two days. Unfortunately, there was welding/soldering involved which left permanent "stains" on our shower floor."
Do you know if your sump is still working? We also have sump pumps avialable to protect you from power outages. That’s right no power no problem forget about the “battery back up” sump pumps if you have municipal water supply this is the way to go call today for details !
Tankless
Power Vent
Gas and Electric
Tree roots giving you problems with your drains? Have us come out today and try a Rootx root treatment !

+2

3 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for GAC Services
GAC Services
4.8(
292
)

Serving Pasadena, MD and surrounding areas

Approved (Corporate)

In business since 1970

Free estimates

Warranties offered

"Could not have asked for better service. The recommended product is working great, the installers were professional and so far the service technicians are top notch."
Additional Photos
61 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Blue Dot
Blue Dot
4.1(
345
)

Serving Pasadena, MD and surrounding areas

Approved (Corporate)

In business since 1982

Free estimates

Emergency services offered

"The tech, Cory, came for a semiannual maintenance check when he diagnosed a problem. Parts were ordered, arrived and Cory returned to complete the repair. Each time, he was knowledgeable, as expected. What made him exceptional was his kindness, patience and communications about the repair and what to expect during the lengthy repair. Upon leaving, he clearly explained what to look for to insure proper workings. I hope Cory is my rep in the future."
System Installation
572 neighbors recently requested a quote
Recommended by72%of homeowners
Avatar for JDL HVAC & Plumbing Services
JDL HVAC & Plumbing Services
4.5(
949
)

Serving Pasadena, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"JDL called within 30 min of placing my request and set up a visit. They evaluated my AC unit and agreed to repair, despite its age (more than 20 years old!). The cost was a fraction of a new unit. Their lead service tech, Isak, was great - knowledgeable, efficient and responsive to my questions. I was very impressed and will have them return for maintenance and service in the future."
NEW INSTALL
CLEANING COILS
CLEANING COILS
 CLEANING COILS
 CLEANING COILS

+118

Response time4 hrs
42 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Petro Home Services
Petro Home Services
4.3(
103
)

Serving Pasadena, MD and surrounding areas

Approved (Corporate)

In business since 1903

Emergency services offered

Warranties offered

"Great company! They've been super responsive when we've had questions or concerns, and deliveries are frequent enough that we never have to worry about running out of heating oil."
Additional Photos
Additional Photos
Additional Photos
Response time6 days
16 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for McCrea Heating & Air Conditioning Services of MD
McCrea Heating & Air Conditioning Services of MD
4.5(
318
)

Serving Pasadena, 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
12 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Carroll Mechanical, Inc.
Carroll Mechanical, Inc.
5.0(
20
)

Serving Pasadena, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"I would absolutely recommend Carroll Mechanical. Their customer service was exceptional. After our heat pump failed, I reached out to learn more about upgrading our system. I spoke with Janel and she quickly scheduled an appointment for their expert (Chris) to come out to our house and talk us through our options. He educated us on the different systems on the market and the pros and cons of each. He was honest and not pushy (unlike some companies in the area?). The quote they sent was detailed and transparent. We decided to go with a new energy-efficient system and were able to schedule the install for the next day. The high efficiency system qualified for a tax credit and utility company rebate, which Carroll Mechanical handled for me. That added up to $4k of savings!! The install team was professional, courteous, and took their time to make sure everything was installed correctly. What i loved the most was the attention to detail. They took the time to explain how to operate the"
Trane Heat Pump
Carrier AC + Furnace
Response time5 hrs
76 neighbors recently requested a quote
Recommended by22%of homeowners
Avatar for No-Frost Air Conditioning & Heating, LLC
No-Frost Air Conditioning & Heating, LLC
4.7(
411
)

Serving Pasadena, MD and surrounding areas

Approved

In business since 1971

Free estimates

Warranties offered

"This is an excellent company. We have used them for year to service our heating and air conditioning units. It became necessary to think about replacing the units. We have two. Decided to replace both at the same time. They came out on a Monday and gave us an estimate and came out on Thursday and Friday to do the work. They totally cleaned up after themselves and made sure everything was working properly. Then they called a few days later to see that everything was working well. I highly recommend this company. All the technicians are polite and competent. The office staff is nice beyond belief. If you need any heating/AC work done, this is the company to do it."
Additional Photos
Additional Photos
Additional Photos
Response time9 hrs
25 neighbors recently requested a quote
Recommended by96%of homeowners
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FAQs for central a/c service or repair projects in Pasadena, MD

Coils work to absorb heat into the refrigerant that flows through them, moving heat from one location to another. For air conditioning, the evaporator coil inside the air handler in your home absorbs heat. It then transfers the heat outside to the condenser coil, where it releases it. The opposite process happens for heat pumps. When the coils get dusty and dirty, it reduces how well these components work.

Skip regular cleanings, and dirt, debris, and mineral deposits will blanket your evaporator and condenser coils. When that happens, the coils can’t shed heat efficiently, so the system works harder and your energy bill climbs. Over time, overheating strains the compressor and can trigger a full breakdown—an avoidable repair that often costs far more than a simple annual cleaning.

AC coil cleaning is an investment that pays for itself in the benefits it provides. Dust‑caked coils force your AC to run longer, so you spend more on electricity and rack up extra wear. A quick professional cleaning restores efficiency, trims monthly bills, and eases strain on expensive parts. Over the long haul, that small yearly fee delays pricy repairs and stretches the unit’s lifespan, making coil cleaning one of the smartest HVAC tune‑ups you can schedule.

Watch for higher electric bills, rooms that stay warm no matter how low you set the thermostat, or an AC system that runs nonstop. Extra humidity and frost on the coils are also red flags. Catching these clues early lets you schedule a quick cleaning before the system overworks itself and triggers an expensive breakdown.

Your AC cleaning technician starts by shutting off the power to the unit and removing the faceplate. Compressed air and a vacuum hose blast away loose debris, followed by a coil-safe, no-rinse cleaner that dissolves stubborn grime. After the solution has soaked in, the professional wipes the fins, reassembles the housing, and restores power, leaving the system ready to cool at peak efficiency.

The Pasadena, MD homeowners’ guide to central a/c service or repairs

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