Existing Furnace or AC Fail?

Factory-trained technicians to repair or upgrade your existing system


Fed Up With $$$ Utility Bills?

High efficiency mini split upgrade options that begin saving you money immediately


Ready To Upgrade Your Standard Of Living?

Enjoy truly modern comfort, convenience, and Indoor Air Quality

3D House Illustration for Shades of Comfort

High Efficiency Ductless Systems

Certified Mitsubishi Diamond Contractor.

  • 30% more efficient than your standard central hvac system
  • Perfect for in-law units, additions, whole home solutions
  • Control each room individually based on preference

State Of The Art Accuclean Air Filtration

21st century Solutions.

  • 8 times more effective than your HEPA room appliance
  • 100 times more effective than standard 1 inch replaceable filter
  • Lifetime Filters, never need to replace

Personal Attention

  • Every project custom-designed
  • Satisfaction always guaranteed.
  • Pet Friendly


Mi-BEST logo

Designers and Builders - We are full service from sketch to final inspection

Specializing in high efficiency and ZNE remodels and new construction, and advanced home automation projects - contact us for access to Portfolio links

Proudly Certified Mi-BEST A+ in all Residential and Lite Commercial Title 24 for 2020 -beyond

-Advanced Building Envelope and Duct Design

-Airflow and Static Pressures

-Refrigerant Charge Dynamics

-Building Ventilation

-Quality Insulation Installation - QII

Don't Wait, Schedule a Free In-home Consultation Now!

Start living happier and healthier, and stop overpaying for comfort RIGHT NOW - we'll show you how easy and affordable it can be. Credit cards accepted.

We lovingly serve
Lamorinda, the Diablo Valley, Oakland-Brentwood Corridors and points beyond!