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

Avatar for One Hour Heating & Air Conditioning
One Hour Heating & Air Conditioning
4.4(
108
)
Central A/C - Install

Serving Magnolia, DE and surrounding areas

Approved

In business since 1991

Free estimates

Emergency services offered

"My Google review for James. If you need excellent emergency heating service, One Hour Service is the place to call. They are fast, efficient, and truly professional. My technician, James Schmidt was incredible and very respectful. He walked me through the entire process, explained his recommendations clearly, and his product knowledge was A1. For your HVAC James gives a peace of mind for your home. One Hour Service offers a Family Plan for tune up’s and yearly checks for my unit to supports the air quality in my home. I would absolutely recommend One Hour Service to my family, friends, and neighbors—simply the best."
Project Photos
Response time3 days
Response rate100%
21 neighbors recently requested a quote
Avatar for Horizon Services, LLC (DES)
Horizon Services, LLC (DES)
5.0(
1
)
Central A/C - Install

Serving Magnolia, DE and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

Experience The Horizon Difference. \n \nOn-Time Service. Up-Front Pricing. And The Job Done Right and Clean the First Time. GUARANTEED! \n \nHorizon Services is the region's largest and most well respected plumbing, heating and air conditioning company, with nearly 600 employees serving tens of thousands of homeowners throughout Delaware, Southeastern Pennsylvania, Southern New Jersey, and Northeastern Maryland. After a quarter of a century in business, Horizons Services remains fully committed to setting the industry standard for customer service, installation, and focusing on things that are important to busy homeowners: respect for their time, their home and their property; up-front pricing, and an unconditional 100% money back guarantee. \n

Horizon employee shaking hands with homeowner
Horizon HVAC filter
Horizon HVAC tech testing Condenser
New HVAC Install
Horizon employee with Condenser

+2

2 neighbors recently requested a quote
Avatar for Air Temp Solutions
Air Temp Solutions
4.7(
59
)
Central A/C - Install

Serving Magnolia, DE and surrounding areas

In business since 2011

Emergency services offered

Credit card accepted

"I have nothing but praises to sing for this company! Our heat stopped working on us last week right before the temp was expected to drop significantly. I checked Angie's List, found Air Temp Solutions, submitted my issue and within minutes I received a phone call to set my appointment. They sent over Rob Teixeira who was EXCELLENT!!!! He immediately detected the issue which was the flame sensor, fixed it and viola...we had heat again in no time! We are planning on doing further work with this company as we need to have an additional return grille installed. If you need fast and reliable heating or AC this company (and Rob) is who you should go with...you will not be disappointed!!!"
Recommended by91%of homeowners
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Central A/C - Install

Serving Magnolia, DE and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"We own a home-based business which relies heavily on our computers operating efficiently. We have had a service contract with another computer repair business for several years. Recently when we were having problems with our computers, we tried contacting our service contractor multiple times. He never responded. Feeling frustrated, I contacted James at North Alabama Technical Services and explained our situation. He instantly came to our rescue. He "cleaned-up" our computers and took care of all the problems we were experiencing. He went above and beyond to help us in our dire time of need. We would strongly recommend James and his company for computer service needs. We have now retained him on a service contract and are looking forward to working with him in the future."
2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
Avatar for Horizon Services
Horizon Services
4.4(
103
)
Central A/C - Install

Serving Magnolia, DE and surrounding areas

Free estimates

Emergency services offered

Warranties offered

"The whole process of obtaining a new central air conditioning unit for our house through Horizon went extremely well. They showed up when they said they would and installed the unit in the time they said they would. Workers were polite and very clean. Had absolutely no issues with hiring Horizon for this job."
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+7

Recommended by88%of homeowners
Avatar for Eric teel
Eric teel
4.2(
40
)
Central A/C - Install

Serving Magnolia, DE and surrounding areas

In business since 1972

Free estimates

Emergency services offered

"They're very responsive. There were some trouble with the system but they got it. They were persistent and got it fixed. There were problems with the system. I'm not sure whose fault it was that there were problems with a brand new system. I think it was very reasonable."
Recommended by71%of homeowners
Showing 1-10 of 48

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