As a family owned and operated heating, air conditioning and plumbing business since 1975, our motto means a lot more than just words. We take pride in doing your job well, with quality products, and unsurpassed service. 100% customer satisfaction is our number one goal. Northern Comfort serves Mankato, Nicollet, St. Peter and the surrounding areas with high quality Lennox brand heating and air conditioning units, for all new installs. We also do repairs, maintenance and servicing on all other brands of manufacturers.