Furnace Services in St. Peter

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12 Total Reviews /files//leonard-logo.jpg507-291-6906$1420 N 3rd Street, Saint Peter MN

Leonard Heating & A/C is your local furnace preventative maintenance expert. Give the team at Leonard Heating & A/C a call when you need to get your furnace ready for winter!

Leonard Heating & A/C provides furnace repair, replacement and new installation services as well. Get in touch with us today to get the furnace services you need.


Armstrong Air Furnaces

click the Armstrong Air logo to learn about the furnaces we carry

Armstrong Air Furnaces



98% AFUE

A98USMV

  • 98% AFUE Efficiency Rating
  • Modulating Heat
  • Comfort Sync Compatible
  • ENERGY STARĀ® Most Efficient 2013
Provides superior comfort over traditional single- stage and two-stage products, further reducing temperature swings in your home.


97% AFUE

A97USZV

  • 97% AFUE Efficiency Rating
  • Two-Stage Heating
  • Constant Torque Motor
  • ENERGY STAR Certified
Like a variable speed furnace, constant torque furnaces provide lower operating costs and increases to overall system efficiency. Compared to standard PSC motors, constant torque delivers more consistent airflow and quieter operation.

Preventative Maintenance

Leonard Heating & A/C provides preventative maintenance for furnaces. Pre-season service is crucial to keep your system running year after year.

Our furnace preventative maintenance visits include a furnace system inspection and safety check, discount on repairs and new furnaces, and no overtime charges.

Furnace Repair

When your furnace isn't running efficiently or reliably call your local furnace repair experts at Leonard Heating & A/C

Our team of furnace specialists can take care of any repair your system needs.

If your furnace is old and not very efficient we suggest replacing your outdated furnace with a high-efficiency Armstrong Air Furnace.

Furnace Replacement & New Installations

Old inefficient and unreliable furnaces cost a fortune to keep running winter after winter.

A good way to prevent repair costs from adding up is to replace your old furnace with a high-efficiency and incredibly reliable furnace from Armstrong Air.