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Central a/c service or repairers in Christiana
We're dedicated to providing our clients with the very best in service, installation, and repair for all of your heating, cooling and plumbing needs.. We take pride in the attention to detail put into each of the projects we're involved with. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. Please contact us for a free in-home evaluation and estimate.
We're dedicated to providing our clients with the very best in service, installation, and repair for all of your heating, cooling and plumbing needs.. We take pride in the attention to detail put into each of the projects we're involved with. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. Please contact us for a free in-home evaluation and estimate.
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, 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.
"It was great! Very knowledgeable and personable and answered all my questions. "
Brandon W on July 2025
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, 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.
"It was great! Very knowledgeable and personable and answered all my questions. "
Brandon W on July 2025
Universal Air Heating & Cooling LLC has been keeping you cool for 21 years, serving PA and surrounding areas. Our experienced technicians provide affordable, fast emergency service 24/7 so you won't have to wait around in the Heat or cold any longer than you have to! We service all makes and models of Cooling systems, no matter what brand you have. You can choose from a large selection of top of the line heating and cooling equipment to fit your needs and your budget too. Save money and energy with a new high efficiency system such as the Mitsubishi inverter system that uses only the right amount of energy to heat one area. We are also Goodman , Bosch and Trane Dealers! Excellent warranties are available along with preventative maintenance contracts."WE WILL BEAT ANY WRITTEN ESTIMATE! NOW OFFERING AFFIRM FINANCING!
"I got a good read from Bill right from the start. Knowledgeable, personable and fairly priced. Billâ s team installed a 5 zone mini split system in my new home. The work was done in 3 days and the final product not only runs well but looks good too. With 5 zones I wasnâ t sure how the lines from the outside of the house would look, but Bill came up with a solid plan on where to run them so the outside doesnâ t look over-worked. Universal Air will now be my go-to for all of my hvac needs. I highly recommend!"
Elaine F on July 2024
Universal Air Heating & Cooling LLC has been keeping you cool for 21 years, serving PA and surrounding areas. Our experienced technicians provide affordable, fast emergency service 24/7 so you won't have to wait around in the Heat or cold any longer than you have to! We service all makes and models of Cooling systems, no matter what brand you have. You can choose from a large selection of top of the line heating and cooling equipment to fit your needs and your budget too. Save money and energy with a new high efficiency system such as the Mitsubishi inverter system that uses only the right amount of energy to heat one area. We are also Goodman , Bosch and Trane Dealers! Excellent warranties are available along with preventative maintenance contracts."WE WILL BEAT ANY WRITTEN ESTIMATE! NOW OFFERING AFFIRM FINANCING!
"I got a good read from Bill right from the start. Knowledgeable, personable and fairly priced. Billâ s team installed a 5 zone mini split system in my new home. The work was done in 3 days and the final product not only runs well but looks good too. With 5 zones I wasnâ t sure how the lines from the outside of the house would look, but Bill came up with a solid plan on where to run them so the outside doesnâ t look over-worked. Universal Air will now be my go-to for all of my hvac needs. I highly recommend!"
Elaine F on July 2024
Experience The Horizon Difference. On-Time Service. Up-Front Pricing. And The Job Done Right and Clean the First Time. GUARANTEED! Horizon 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.
"Good company"
Harry A on July 2024
Experience The Horizon Difference. On-Time Service. Up-Front Pricing. And The Job Done Right and Clean the First Time. GUARANTEED! Horizon 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.
"Good company"
Harry A on July 2024
At Rohrer's One Hour Heating and Air Conditioning, customer satisfaction is our first priority. We have over 50 years experience in providing the best quality products and service. Call today to find out what makes us the best! Remember, "If there's any delay, it's you we pay!"
"Travis checked the inside of my air conditioner for me and explained all the details of what needed to be done. He was very thorough. After what he explained to me what I had to spend on fixing certain wires, etc. in it, it would be about the same price as a new air conditioner. I chose a new air conditioner.Travis was the best! He listened and explained everything that needed to be done. He also listened to my needs. Thank you Travis, great job!"
MARYANN T on June 2025
At Rohrer's One Hour Heating and Air Conditioning, customer satisfaction is our first priority. We have over 50 years experience in providing the best quality products and service. Call today to find out what makes us the best! Remember, "If there's any delay, it's you we pay!"
"Travis checked the inside of my air conditioner for me and explained all the details of what needed to be done. He was very thorough. After what he explained to me what I had to spend on fixing certain wires, etc. in it, it would be about the same price as a new air conditioner. I chose a new air conditioner.Travis was the best! He listened and explained everything that needed to be done. He also listened to my needs. Thank you Travis, great job!"
MARYANN T on June 2025
At Old Skool HVAC, LLC, we have over 30 years of heating and air contracting experience. We specialize in professional, expert and friendly installation and repair services for your beautiful home. No job is too big or too small. Call us today for a free estimate!
"Atlee worked to figure out and diagnose the problem. Along the way he was transparent about pricing and troubleshooting. Would recommend"
Kevin M on September 2023
At Old Skool HVAC, LLC, we have over 30 years of heating and air contracting experience. We specialize in professional, expert and friendly installation and repair services for your beautiful home. No job is too big or too small. Call us today for a free estimate!
"Atlee worked to figure out and diagnose the problem. Along the way he was transparent about pricing and troubleshooting. Would recommend"
Kevin M on September 2023
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
Provide building automation services to customers looks to save energy and be connected to there systems.
"All work was excellent, from the initial meeting to diagnose the problem and work to be done, to the work itself: removal of the old-and-failing heat pump, installation of the new Bosch heat pump. The crew (Kahlil Hunter and his apprentice) were efficient, professional, tidy, and pleasant. And everything's working fine now!"
Len C on August 2024
Provide building automation services to customers looks to save energy and be connected to there systems.
"All work was excellent, from the initial meeting to diagnose the problem and work to be done, to the work itself: removal of the old-and-failing heat pump, installation of the new Bosch heat pump. The crew (Kahlil Hunter and his apprentice) were efficient, professional, tidy, and pleasant. And everything's working fine now!"
Len C on August 2024
12 years serving the Central PA region solving HVAC issues using superior products and elite technicians. We pride ourselves on the quality work we provide, while delivering great customer service.
"They installed central air in my house that did not have any. Did all the ductwork and vents in every room including finished basement. Mike was my contact and was great. My wife and I are extremely happy with this system. Recommend absolutely. Thanks guys Diego and all."
Richard G on May 2024
12 years serving the Central PA region solving HVAC issues using superior products and elite technicians. We pride ourselves on the quality work we provide, while delivering great customer service.
"They installed central air in my house that did not have any. Did all the ductwork and vents in every room including finished basement. Mike was my contact and was great. My wife and I are extremely happy with this system. Recommend absolutely. Thanks guys Diego and all."
Richard G on May 2024
You can call the office at 717-478-1203 or text us at 717-462-7855 With over 20 years of experience here to help you with Residential HVAC Service and Install, Water Conditioning and EV Charger Installation.
"Great crew! I still have them coming around to perform seasonal check ups."
Evan V on January 2025
You can call the office at 717-478-1203 or text us at 717-462-7855 With over 20 years of experience here to help you with Residential HVAC Service and Install, Water Conditioning and EV Charger Installation.
"Great crew! I still have them coming around to perform seasonal check ups."
Evan V on January 2025
FAQs for central a/c service or repair projects in Christiana, PA
Yes, a once-a-year tune-up keeps the system efficient and helps it last longer. During the visit, a technician cleans coils, checks electrical connections, and swaps or cleans the filter. Catching small issues now stops bigger, pricier failures later, so that a quick appointment saves money and stress over the life of the unit.
Changing your AC filter every 30 days is necessary to maintain optimal performance and high indoor air quality. Regular filter replacement prevents dust buildup, ensures efficient airflow, and protects the system from stress that could lead to costly repairs. This disciplined maintenance routine not only boosts energy efficiency but also prolongs the lifespan of your unit by safeguarding its critical components.
An HVAC service plan is worth the cost, especially if you forget to schedule maintenance on your own. A service plan locks in yearly (or twice-yearly) visits, allowing a professional to identify small problems early, clean key components, and maintain energy efficiency. Many plans also include minor repairs or priority scheduling, which can pay for themselves if an unexpected issue pops up.
In a pre-season service visit, your technician gives your system a top-to-bottom check before peak season hits. Expect a filter change, thermostat test, condenser-line flush, electrical-connection check, and coil cleaning. They also tighten loose parts and make minor adjustments so the unit fires up without surprises when temperatures swing. That quick tune-up cuts the risk of mid-season breakdowns and keeps energy use in line.
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