Trust Our Heritage! Love Our Service!

Professionalism and Experience You Can Trust

Lapp Heating & Cooling is an authorized American Standard serving the Mount Vernon and Knox County areas for over 40 years. Lapp offers experienced residential and commercial repair and maintenance service on all major brands of air conditioning, comfort control systems, and heating systems.
Comfort, courtesy, and service are the reasons most noted by our referral customers when telling family and friends to do business with us. At Lapp Heating & Cooling our customers are appreciated and always take priority.
HVAC Inspection — Air Conditioning in Mount Vernon, OH

Our Promise:

  • To serve our clients with honesty and integrity
  • To be courteous and clean in your home or business
  • To be prompt
  • To be thorough
  • To serve you with professionalism and experience
  • To carefully explain what work has to be done
  • Expert residential and commercial heating and cooling
Our old system died last week & New Trane furnace & air conditioner installed yesterday. Mike's installer did an excellent job & the work & craftsmanship is 2nd to none. Excellent Job!!!!!!!!!!!!!
— Dee F.
Contact us today for an estimate on a new system or service to your existing equipment!