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

Avatar for Mallard Mechanical
Mallard Mechanical
5.0(
11
)
Air Ducts & Vents - CleanCentral A/C - Service or Repair

Serving Princeton, MN and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"I would recommend Preston and Mallard Mechanical to anybody in the area looking to buy a new furnace/AC, or even just general HVAC maintenance. We closed on our house on a Friday with the AC not working and the furnace on its way out. We called Mallard Mechanical that morning and the equipment was ordered that same day and the install scheduled for the following Tuesday. The day of the install Preston was on site right on time and got our old AC and furnace torn out and the new system put in all in the same day. He was extremely professional and kept a VERY clean work site. He made sure to go over everything about the new system with my wife and I and even took care of setting up the city inspection for the new system. Last but absolutely not least, Mallard Mechanical's prices are extremely fair and I cannot imagine finding better service anywhere else for as good of a price as we got with Mallard Mechanical. Thank you again to Preston and Mallard Mechanical!"
Response time3 hrs
Recommended by88%of homeowners
Avatar for DJ's Home Services
DJ's Home Services
4.5(
103
)
Central A/C - Service or Repair

Serving Princeton, MN and surrounding areas

Approved

Super Service Award Winner

In business since 1971

Emergency services offered

Warranties offered

"Don was wonderful to work with. He did a great job getting my Main shutoff replaced. But when we turned the water back on no water was coming thru. That's when we discover a section of galvanized pipe. So Don also unexpectedly replace a section of my waterline for me which solved the problem but did add more to the price. But it was well worth it. I got my bad water shut off fixed and with that section of pipe replaced I now have 3x better water presser in my home. Highly Recommend DJ's for your plumbing needs and will use them in the future if I ever need to."
DJs Air Conditioner
DJs Furnance
DJs Boiler Repair
DJs Drains
DJs Electrical Panel

+40

Response time1 day
Response rate97%
20 neighbors recently requested a quote
Avatar for Bold North Heating & Air, LLC
Bold North Heating & Air, LLC
New to Angi
Central A/C - Service or Repair

Serving Princeton, MN and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Bold North Heating & Air is a Locally owned HVAC service company proudly serving homeowners in Big Lake and the surrounding areas. We specialize in furnace, air conditioners and fireplace service. To keep your home comfortable during any season. As a small Business we believe in treating customers the way neighbors should Be treated-with friendly service, honest advice, and fair pricing. Whether your furnace needs repair in the middle of winter or your ac needs service during the heat of the summer, you can count on Bold North Heating & Air for dependable, professional HVAC care.\n

New furnace
Furnace replacement
Dryer venting
Whole home dehumidifier
Whole home humidifier

+2

Avatar for Clear Sky Cleaning
Clear Sky Cleaning
New to Angi
Air Ducts & Vents - Clean

Serving Princeton, MN and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Credit card accepted

Hi, we are a family owned business with 8 years of experience in the cleaning industry, we’ve learned that a truly clean home or workspace setting is all in the details. We don’t just surface clean; we focus on those often-overlooked spots like ceiling fans and behind appliances to ensure your space feels brand new. Our goal is to give you back your free time by providing a consistent, high-quality clean you can rely on every single week. From routine weekly maintenance to heavy-duty deep cleans, we provide top-tier service tailored to your schedule. We treat every home and/or building with the same care and respect we would our own. We look forward to making your home/work space sparkle!

Bathroom Cleaning
Bedroom Cleaning
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Air Conditioning FAQs, answered by experts

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.

During the summer, it’s best to set your AC to 78 degrees when you’re home and awake, according to the Department of Energy (DOE). For better energy efficiency, raise the temperature slightly to 85 degrees while you’re out of the house. The National Sleep Foundation advises lowering your thermostat to between 60 and 67 degrees when you’re asleep.

No, you should not attempt to replace an AC evaporator coil yourself. This is a complex task that must be performed by a licensed HVAC technician. The process involves handling hazardous and flammable refrigerants, which poses significant safety risks. Attempting a DIY replacement can also cause further damage to your HVAC system and will likely void its warranty. It is necessary to hire a local AC repair professional for this job.

No. Your furnace does not run your air conditioner. Both units use the same system of ductwork to move conditioned air throughout your home, but you can have a furnace without having an air conditioner and vice versa. Furnaces are only for heating your home. You can buy a system that does both, however, like a split system or a heat pump (yes, heat pumps cool, too).

AC evaporator coils should be cleaned at least once per year to keep your unit in good condition. For optimal performance, consider cleaning them twice a year—once before and once after the main cooling season. More frequent cleanings may be necessary for older systems, units with performance issues, or those in climates with high levels of humidity, dust, and dirt.

The Princeton, MN homeowners’ guide to air conditioning services

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