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Top-Rated Air conditioning pros in Dennison - Updated Nov 2026

Avatar for Friesen Family Renovations, LLC
Friesen Family Renovations, LLC
4.7(
45
)
Window A/C Unit - Service or Relocate

Serving Dennison, OH and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Chris was extremely professional and very skilled at his trade. He completed the work within 2 days of our first contact and kept excellent communication about costs, time of arrival for first consultation and date of service. The projects were challenging and he did incredible carpentry. He was very good at keeping the area clean and respectful of my home. We have already discussed additional work that he will do on the house. I am excited to work with him again and recommend him without reservation. He is a breath of fresh air for someone to really work with a homeowner!"
Response time2 days
Response rate98%
Recommended by69%of homeowners
Avatar for Above and beyond professional services
Above and beyond professional services
New to Angi
Air Ducts & Vents - Clean

Serving Dennison, OH and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

At Above and Beyond Professional Services, we take pride in helping you create a cleaner, more comfortable space. Serving New Castle and surrounding communities, we offer deep cleaning, routine cleaning, move-in and move-out cleaning, organizing, and cleanouts. From kitchens and bathrooms to neglected spaces that need extra care, we pay attention to the details and tailor each job to your needs. You can expect friendly service, clear communication, and respect for your home and belongings. Whether you need a one-time cleanup or ongoing help, we’re ready to go above and beyond for you.

Deep clean
Deep clean
Deep clean
Deep clean
Deep clean

+6

Stephanie
New to Angi
Air Ducts & Vents - Clean

Serving Dennison, OH and surrounding areas

Approved

\n✨ Reliable Cleaning & Organizing Services ✨\nOffering detailed home cleaning, maid services, and professional organizing for any space that needs a fresh start. Whether it’s deep cleaning, weekly upkeep, or getting your home decluttered and back in order, I handle it all with care and attention to detail.\n\nTrustworthy, dependable, and focused on leaving every room spotless, organized, and peaceful. One-time, weekly, or custom schedules available — your space, your way.\n\nLet me do the cleaning, so you can enjoy your home again! 🧹💛

Amber Cannady
New to Angi
Air Ducts & Vents - Clean

Serving Dennison, OH and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Thanks for checking out my profile! I’m someone who enjoys helping people tackle the projects they don’t have time for. I offer cleaning, furniture assembly, moving assistance, organizing, and general handyman services. While I’m growing my business, my goal is simple: show up on time, work hard, communicate clearly, and leave every customer happy with the results. No job is too small, and I treat every home with care and respect.

Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Dennison, OH 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 Speedy contracting service (scs)
Speedy contracting service (scs)
5.0(
18
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Dennison, OH and surrounding areas

"Speedy’s response and service was exemplary! I was especially pleased with the the knowledge and capability, of Speedy’s, to tell me every step of the way, what needed to be done to rectify any issues that were encountered and the respect and conscientious detail given to each project, as if, it were their very own house. Thank goodness for honest and caring people like Speedy’s in this day and age!"
Custom bed frame
Entry door repair.
Remodeling - General Project
Fencing Project
Custom bed frame

+12

Recommended by100%of homeowners
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Air Conditioning FAQs, answered by experts

Yes, you can build a deck over your outdoor HVAC unit, but you need to leave at least 5 feet of vertical clearance above the unit. If you don’t want your deck to be that high off the ground, you could build a floating deck in another part of your yard—again, as long as you leave at least 4 feet of horizontal space between the deck and your AC unit.

You should know the main components of an air conditioner: the condenser coils, evaporator coils, drip pan, AC filter, ducts, and refrigerant. Each part plays a key role in the performance and safety of your AC system. When tracking the source of AC issues or odors, it helps to know where to look. Your outdoor unit houses your condenser coils, fan, and compressor. Your indoor unit houses your evaporator coils, drain lines, and filter, and it connects to your ductwork. 

AC leaks are common, and an HVAC pro can usually fix them. You may be able to resolve some leaks on your own, but a professional HVAC technician should handle most AC leak repair. If left ignored, an AC leak could cause serious damage to your system or leave you with expensive water damage, usually leading to more costly repairs or replacements.

On average, an AC unit lasts between 10 and 20 years. However, the specific lifespan depends on the type of unit, how often it's used, the local climate, and the quality of maintenance. Central AC units typically last 12 to 17 years, while window units have a shorter lifespan of 8 to 10 years. Portable AC units last about 5 to 10 years, and ductless mini-split systems can last up to 20 years. To extend the life of your AC unit, it's important to perform regular maintenance, such as replacing filters, cleaning coils, and scheduling annual professional tune-ups.

Running a window air conditioner unit costs about $0.06 to $0.88 per hour. Choosing the correct size air conditioner can help it run more efficiently.

The Dennison, OH homeowners’ guide to air conditioning services

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