4.7 
38 *The Angi rating for Heating And Air Conditioning Service companies in Princeton, MN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Princeton, MN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on May 29, 2025
Serving Princeton, MN and surrounding areas
Approved
Super Service Award Winner
In business since 1987
Free estimates
Emergency services offered
"Technician was polite and efficient. Told me exactly what was happening while checking our water system we have in the house."
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!"
Serving Princeton, MN and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"Thomas and the team at Prolific Mechanical did an outstanding job installing our new boiler. They were professional, knowledgeable, and paid close attention to every detail. The installation was clean, completed on time, and everything has been working flawlessly. I highly recommend Prolific Mechanical to anyone looking for honest, high-quality HVAC work."
Serving Princeton, MN and surrounding areas
Approved
Super Service Award Winner
Free estimates
Emergency services offered
Credit card accepted
"Josh was great very professional and friendly. On time service. Couch cleaning and front hall rug look great! Would definitely use this company for any of their services"
+30
Serving Princeton, MN and surrounding areas
Approved
Super Service Award Winner
In business since 1971
Emergency services offered
Warranties offered
"excellent customer service ,ran into some unexpected problems with a 90yr old boiler and radiator system ,they handled anything that was thrown at them."
+40
Serving Princeton, MN and surrounding areas
Approved
Super Service Award Winner
In business since 2010
Emergency services offered
Warranties offered
"Does a great job and super knowledgeable about older homes. Highly recommend!"
+5
Serving Princeton, MN and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"It went great, no problem with the service, nice man, did a good job"
+7
Serving Princeton, MN and surrounding areas
Approved
In business since 2024
Free estimates
Credit card accepted
"Brian spent the extra time to make sure I understood when filters need to be changed, when the water heater needs to be flushed, and general maintenance on the a/c unit. He is very personable and easy to talk to."
Serving Princeton, MN and surrounding areas
Approved
In business since 1947
Free estimates
Emergency services offered
"My technician was very good and very friendly and did a good job. The only downfall is I thought they were expensive."
Serving Princeton, MN and surrounding areas
Approved
Free estimates
Small jobs welcome
Offers commercial services
"I booked Ks cleaning service to clean windows. Was able to book in short notice and did very good work. Will be booking again."
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