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Top-Rated Central a/c installers in Frederick - Updated Nov 2026

Avatar for Wenbrooke Services
Wenbrooke Services
4.6(
107
)
Central A/C - Install

Serving Frederick, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Emergency services offered

Warranties offered

"Josh and his crew were professional, on time and explained the install throughly. Josh installed a wall charger for my electric vehicle, disconnect shut off switch in the garage, ran cabling from a new 60amp circuit, additional receptacles in the garage I asked for, whole house surge protector, and more. It was a big job! The best part is my kids were still able to distance learn in the bedrooms without interruption of power while install occurred. Josh answered questions I had even after the job was complete over his personal cell phone when I followed up with a call. This makes for great customer service! Iâ ll definitely be using Wenbrooke for more services in the future. Nice work gentlemen!"
Commercial Sign
Dinning room fixture
Commercial Office
Kitchen Pendants
Response time11 hrs
90 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Holtzople Heating, Air Conditioning, & Electrical Services
Holtzople Heating, Air Conditioning, & Electrical Services
4.9(
215
)
Central A/C - Install

Serving Frederick, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Emergency services offered

"Just had an emergency visit to replace capacitor in one of my two HVAC units. Was able to schedule my favorite tech Kevin through the excellent front desk staff. Called in early morning and same day repair work - and Kevin fixed the problem even though the house electricity suddenly cut off halfway through the visit due to the remnants of Hurricane Debby coming through. Our family been with Holtzople since 2008 with the installation and maintenance of two TRANE heat pump units. We have always been extremely happy with Holtzople. Their expertise and knowledge of HVAC operations is superb. But most importantly, from the HVAC techs and Kevin to the front office staff, the people at Holtzople are kind, helpful and genuinely interested in taking care of us. This shows in our semiannual service plan visits as well as the rare emergency needs that pop up like the situation discussed above. And we have been very happy with our TRANE HVAC units. We will have Holtzople as our HVAC company forever. We highly recommend them to all our local friends and neighbors in central Maryland. Simply a great company with great people. 👍"
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+47

Response time1 day
Response rate100%
36 neighbors recently requested a quote
Avatar for Hecomo
Hecomo
5.0(
11
)
Central A/C - Install

Serving Frederick, MD and surrounding areas

Approved

Credit card accepted

Customers say: True professional

"I had the best experience with Hecomo Heating & Cooling. My house's AC/heating system stopped working all of the sudden and the temperatures at the time were 90 degrees and up. I was desperate looking into many different companies. Many of them, came over to my house and did estimates at ridiculously high prices. Luckily, I found Hecomo. They came to my house, did an estimate and were ready to install my AC/heating unit very quickly and at a good price. Also, the customer service was great. They were there for me throughout the whole process. They explained to me everything that I needed to know about the system and the features. Everything is very modern and updated. I am very happy I found Hecomo."
Heating & A/C Project
Heating & A/C Project
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+8

Response time8 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for Petro Home Services
Petro Home Services
4.4(
1,786
)
Central A/C - Install

Serving Frederick, MD and surrounding areas

Approved (Corporate)

In business since 1903

Emergency services offered

Warranties offered

"It was a superb experience. From the visit by Bruce the sales representative to the installation day to the follow-up from Petro, every single person we interacted with was helpful and professional. When Bruce arrived to do the assessment, we spent time going over the heating needs in the house. After a thorough inspection and measurement of the house, we sat down. He showed me a few options, all of which were going to provide good service. I ordered a unit at the end of that meeting. The installation day was just terrific- the entire work crew that showed up were everything I would hope to find: Upbeat, informative, hard-working, focused. The job was finished before end of day as promised. The heater room is now immaculate, with new piping and a new heater. It was like watching a pit crew at a NASCAR race. Everyone had their tasks, they moved carefully but quickly. The materials were all laid out in order, etc. Just a totally professional approach to their work. The crew boss answered any questions I had. The follow-up for a normal inspection of the furnace chimney was scheduled the day after the installation. I’ve gotten calls to insure we are satisfied with the work. Satisfied barely covers it- I am pleased to write this kind of review. Without hesitation I will recommend Petro to friends and family throughout the Philly area. Peter A. Elkins Park"
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Response time6 days
Response rate100%
18 neighbors recently requested a quote
Avatar for Buric Heating and Air Conditioning
Buric Heating and Air Conditioning
4.7(
20
)
Central A/C - Install

Serving Frederick, MD and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Everything went great. My AC died and it was close to 20 years old so I wanted the whole unit replaced. I have 4 young kids so no AC in the summer was not a pleasant option. The owner came out on site the day we called and was able to have the new unit installed the next day. I have dealt with many HVAC companies in the past as an Insurance Adjuster. These guys exceeded my expectations and were very reasonable on price. I highly recommend using Buric Heating and Air Conditioning!"
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+7

Response time8 hrs
15 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for McCrea Heating & Air Conditioning Services of MD
McCrea Heating & Air Conditioning Services of MD
4.5(
318
)
Central A/C - Install

Serving Frederick, 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."
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6 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Tetteris HVAC
Tetteris HVAC
4.7(
192
)
Central A/C - Install

Serving Frederick, MD and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"All went very well! They were very responsive to my inquiry. I had anticipated a few days before anyone would come out due to the heatwave we were experiencing, however, to my surprise they came out the very next day as promised. I even had asked for them to install a replacement thermostat which they did as well."
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11 neighbors recently requested a quote
Recommended by94%of homeowners
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