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

Avatar for Epic Heating and Cooling, LLC
Epic Heating and Cooling, LLC
4.9(
59
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Derby, KS and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"My central air conditioning system expired on the hottest day of the year (of course!) and Justing came down and to survey the job and I had an estimate within a couple of hours, and a new unit installed by early afternoon the next day! Blessedly cold air and an extremely well done installation. Could not be happier!"
Mini Split Install in Detached Shop
downflow variable speed furnace
condenser
super high efficiency
commercial units

+3

Response time1 hour
10 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Noble Heating & Cooling LLC
Noble Heating & Cooling LLC
5.0(
4
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Derby, KS and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

Noble Heating and Cooling LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. \n

4 neighbors recently requested a quote
Avatar for Clean & Shine
Clean & Shine
New to Angi
Air Ducts & Vents - Clean

Serving Derby, KS and surrounding areas

Approved

Free estimates

I have over 30 plus years of experience in the cleaning field I have done anything from deep queens move outs make ready strip and waxing of floors high and low speed buffing bonneting shampoo and extracting of carpets I've worked at the learning stay Hospital straight out of high school for about 4 years and then I've done hotels restaurants construction sites supervised and train for DNA services in Sedgwick County a couple times with equals out to approximately 10 years and they do commercial facilities and businesses. I've done deep & general cleaning such as dusting Windows trash sweep mop vacuum, things like that. I believe you should get what you're pay for and the quality should most definitely match the quantity. It may sound crazy but I actually enjoy it for one once you complete whatever cleaning task it may be you can always tell the difference and it's so nice to look at a job well done so not only is it making the client happy it makes me happy as well.

Strip & wax rooms
Strip & wax rooms
Strip & wax rooms
Strip & wax rooms
Rhianna
New to Angi
Air Ducts & Vents - Clean

Serving Derby, KS and surrounding areas

Approved

Hello, my name is Rhianna. I have been cleaning residentially and commercially for over 20 years. I enjoy working with each and every client I have. I am a hard dependable worker. I will make sure the job you request is accomplished effectively and efficiently. I am interested in working in Wichita and the surrounding areas and can work any day and anytime you are needing. I do any kind of cleaning and also other odd jobs...there is not a job I have refused to do yet. So if you are needing help with anything message me and I will get you scheduled.

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Air Conditioning FAQs, answered by experts

The size window AC you need depends on the BTU and the size of the room you’re cooling. For a room with 8-foot ceilings, look for about 20 BTU per square foot of the room. For example, a 12-by-12-foot room should have an air conditioner with 2,880 BTU. You can buy something slightly more powerful, but don’t overshoot the BTU for a small room, or you’ll waste energy and have higher bills.

You should use a breathable, weather-resistant cover with ventilation. It can be a top cover or a full cover that has mesh to allow airflow. A full, non-breathable cover can cause moisture to build up, leading to rust, frozen parts, and corrosion. A full cover also attracts unwanted critters, such as mice, that can damage the wiring and your unit. If you need to protect your AC unit from falling icicles, choose a sturdy top cover or piece of wood that prevents icicles from damaging your unit.

If your AC unit isn’t cooling and you haven’t figured out why, there are a few good reasons to turn it off ASAP. The source of the issue, whether that be leaking refrigerant or a broken compressor, will worsen and cause more damage to the overall unit the longer the machine is allowed to run. When in doubt, shut it down until you or an AC pro can ensure everything is working properly.

A 3-ton AC unit is probably too big for a home that’s 1,200 square feet. If you have a 1,200-square-foot home, you likely need a unit that’s somewhere around 1.9 and 2 tons. An AC unit that’s too large will be really inefficient and cost you a lot of extra money on your bills. 

If you’re looking for a portable, budget-friendly cooling solution that doesn’t require any venting or installation, a ventless AC system is a good option. Similarly, this is a great choice if you’re renting an apartment or home and aren’t allowed to make large, structural changes like installing comprehensive HVAC, or you’re in a shared space and only need to cool your own room.

The Derby, KS homeowners’ guide to air conditioning services

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