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Mitsubishi Diamond Contractor

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First Call Heating & Cooling – Your Mitsubishi Electric Diamond Contractor

Air as pristine as the world’s most refreshing places.

First Call Heating & Cooling – Your Mitsubishi Electric Diamond Contractor

Mitsubishi Electric – a world-class brand that offers some of the best ductless heating and cooling products in the Portland Metro market. This ductless heat pump manufacturer maintains its reputation for superior performance and service by ensuring independent contractors meet and pass Mitsubishi’s high standards in the key areas of product sales, heat pump installation and customer service.

As a Mitsubishi Electric Diamond contractor, First Call Heating & Cooling has achieved the highest accreditation from Mitsubishi Electric.

As a certified Mitsubishi Electric Diamond contractor, we are:

  • A highly qualified team that has received comprehensive training, from factory production to the personalized service delivery, at one of Mitsubishi Electric’s approved training centers.
  • Committed and have invested time and resources to ensure we have the expertise, knowledge and skills for personalized ductless heat pump sales, installation, inspection and maintenance.
  • Able to offer the exclusive Diamond contractor’s Seven & Seven year warranty benefit on compressors and parts.
  • In a position to offer additional benefits including access to special promotions, credit terms and faster processing times for Mitsubishi Electric applications.


Mitsubishi ductless heat pumps incorporate Eco-comfort™ technology, dual and triple-allergen filtration, Energy Star systems up to 26 SEER, and are whisper-quiet. To reduce the environmental impact and use less energy, these systems incorporate Eco-comfort technology that makes these systems smarter. Brilliant features include the i-see™ sensor that automatically detects room temperature differences and adjusts for greater comfort. Mitsubishi Electric’s advanced multi-stage filtration systems dramatically reduce allergens and help eliminate odors. Portland residents can rest easy, because the ductless heat pumps operate with sound levels starting as low as 19dB which is quieter than a human whisper.

The Diamond Contractor Seven & Seven Warranty Program

That’s a seven-year limited warranty on compressors and seven years on parts. What could be simpler or more reassuring? This is an exclusive benefit that only your Diamond Contractor can offer.

With lifestyle benefits that include complete temperature control, top Energy Star ratings that will reduce your energy costs and ultimate convenience and comfort – you don’t want to wait any longer!

Simply fill in our online form and we’ll contact you. Or call First Call Heating & Cooling at 503-557-2220 to speak to a Mitsubishi Electric Diamond contractor today.



We are incredibly proud of our extraordinary team and the level of service they provide. We’re not the only ones who think they are good at their jobs! Just take a look at the organizations recognizing our professional standards:

First Call Heating & Cooling is licensed, bonded, and insured. We’re BBB Accredited!

For all your heating and cooling needs, call or contact us today!

+ More Information

Certified Partner of with:
Tri County Temp Control



Annual tune-ups & maintenance from First Call can save energy and money, reduce costly repairs, and help your equipment last longer.

Find out how to get $10 off your next service work or duct cleaning.

Super high efficiency ductless systems from First Call Heating & Cooling save on energy bills while keeping your home comfortable and quiet year round.


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