Mitsubishi Electric Ductless M-Series

Click image for more information


Mr. Slim M-Series Ductless mini-split air conditioners and heat pumps are the standard in which all other ductless units are compared to. The reliability and craftsmanship of Mitsubishi Electric units are simply the best. Year after year, Mitsubishi Electric has topped customer satisfaction ratings in both performance and value.

Available as single and multi-split systems, M-Series systems are compact, quiet and energy efficient, providing personalized comfort in a wide array of applications.

Builders Choice Air Systems specializes in Mitsubishi Electric ductless units and is pleased to offer the entire range of cooling and heat-pump systems from 9,000 to 36,000 Btu/h with efficiencies of up to 30.5 SEER!  We are a *Certified Installer and all units are installed by us. Mitsubishi Electric ductless systems come in single and multi-head type for almost any application.

For larger residential, commercial and industrial applications, we offer our P-Series or Zuba units.


We deliver a complete range of compact and powerful heating and cooling products that are also energy efficient, flexible and quiet. A proud Canadian heritage Mitsubishi Electric Canada was established in 1979 as a subsidiary of the Mitsubishi Electric Corporation of Japan. Since then, we have been at the forefront of providing Canadians with unparalleled quality of heating and air conditioning technology, sales, installation and support. This high standard of quality and efficiency saves you from rising energy costs and helps build a sustainable tomorrow.

Advanced Technology

M-Series systems by Mitsubishi Electric have the features, functions and innovative engineering to meet and exceed the needs of Canadian families. Products are engineered to deliver excellent heating performance even when the outdoor temperature plummets to -25°C and beyond.

Energy Efficiency

With the widest Energy Star qualified lineup, including some of the highest SEER ratings in the industry, M-Series systems are also highly energy efficient. All of this is achieved with indoor units operating at sound levels quieter than a whisper, delivering heating and cooling in a peaceful and elegant manner. Available in ducted or ductless models, you can trust Mr. Slim M-Series systems to deliver years of reliable comfort and satisfaction.


Mitsubishi Electric is consistently recognized by HVAC contractors as the #1 preferred brand with the highest quality rating among manufacturers. Products provide extraordinary service life backed by Mitsubishi Electric’s 10 year parts and compressor warranty.

Free Quote

Builders Choice Air Systems Ltd

492 Hill Street, London, ON

N6B 1E7

Phone: 519-642-7000

Privacy Policy

Contact Us


For 25 years, Builders Choice Air Systems has provided reliable HVAC, air quality service and installation to residential, commercial, builders, and industrial customers in the London and surrounding area. 


Builders Choice Air Systems
492 Hill Street, London, Ontario N6B 1E7
Phone: 519-642-7000
Map: Click here


For Helpful tips on your HVAC system click here to find out more!

Builders Choice is a proud member of the London Home Builders Association, Better Business Bureau and HRAI Association.