Pespisa Air Conditioning
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We are experts in ductless technology and installations.
​Authorized Mitsubishi Electric Diamond Contractor

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Call (617) 538-5377 for a FREE ESTIMATE
Ductless Air Conditioning System Sales and Installation
Central Air Conditioning Service and Repair
Ductless AC service


How Ductless Systems Work

There are Three Main Parts to a Ductless “Split” Air Conditioning System
  1. The Indoor Unit mounts on an exterior wall of any room which needs to be heated or cooled
  2. The Outdoor Unit gets placed outside where a typical Air Conditioning Condenser would be placed
  3. The Linesets run in a concealed and inconspicuous ductwork, outside of the house, connecting the indoor unit to the outdoor unit
Each indoor unit has its own thermostat to control the room temperature and is extremely quiet!

The Heat Pump Process (in Cooling Mode)

  1. The outdoor unit compresses the refrigerant in the system, this raises the temperature of the refrigerant
  2. The hot refrigerant is then cooled down using a heat exchanger and the ambient air outside
  3. The compressed refrigerant which is now closer to the outside air temperature, is expanded. This expansion process cools the refrigerant down from near outside air temperature to far below that.
  4. The cold refrigerant is used in the indoor unit to cool down the air inside your home and then the whole process starts over again.

*In heating mode the process is simply reversed.
Ductless Air Conditioning

Whole House Room by Room Comfort 

Some of our local installations near you! 
Contact US:
Dominic@pespisaco.com
sales@pespisaco.com
info@pespisaco.com
Colin@pespisaco.com


PespisaCo.com

Plumbing, Heating, Air Conditioning, Oil to Gas Conversations
​Ductless AC Systems

Bedford, MA and Billerica, MA
617-538-5377
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Residential or Commercial
Authorized Mitsubishi Electric Diamond Contractor

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Service area: Middlesex County and the Greater Metrowest Boston area, Arlington, Bedford, Belmont, Billerica, Burlington, Carlisle, Chelmsford, Concord, Lexington, Lincoln, Reading, Somerville, Stoneham, Sudbury, Tewksbury, Waltham, Westford, Wilmington, Woburn

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