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Donald Witter Limited

Donald Witter Limited
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      • Scroll Compressors for A/C Units
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      • R134A
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Best in Jamaica
Quality you can afford
Built to last

BTU Calculator

Not sure what size air conditioning unit you need?


Room Dimensions



Large or oversized windows with direct sunlight
Wide open spaces to other rooms, offices or bathroom
Floor to Ceiling height more than 3 meters
Extremely hot/cold in season
None of the above
Estimated A/C Unit Capacity (BTU)


Please Note: BTU results from the calculator are to be used as estimates.

Please contact us at 876-906-4516 (OR) 876-908-1194 to arrange a site visit.

A/C Unit Installation Enquiry

Your Name (required) Your Email (required) Your Phone Number (required)Estimated BTUTotal Area (sq ft.) Subject Address

We do our best to deliver high quality products to our customers

Get a Quote Contact Us

Donald Witter Limited Logo

Get In Touch

14 Ruthven Rd, Kingston 10, Jamaica
876-906-4516
876-908-1194
donaldwitterlimited@gmail.com
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Donald Witter Limited
©2020. All rights reserved.
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  • Home
  • About
    ▼
    • About DWL
    • Our Team
  • Products & Services
    ▼
    • Air Conditioners
      ▼
      • Floor Ceiling Type (FCT) Units
      • Westing Air Mini-Split Units
    • Cold Room Parts & Equipment
      ▼
      • Condensing Unit
      • Doors
      • Evaporators
      • Fan Motors
      • Light Switches / Door Hinges & Locks / Time Clocks
    • Chemicals & Oils
      ▼
      • Coil Cleaner
      • FLO
      • Nu-Foam Foam Spray
      • Ice Machine Cleaner
      • Mineral Oil / Polyester Oil
      • Vacuum Pump Oil
    • Copper & Insulation
      ▼
      • Copper Fittings – Long Radius
      • Copper Fittings – Short Radius
      • Hard Drawn Copper
      • Soft Drawn Copper
      • Vascocells
    • Compressors
      ▼
      • European Commercial Compressors
      • Fractional Compressors for Household Refrigerators
      • Hermetic and Semi-Hermetic Compressors for Cold Rooms
      • Rotary Compressors for A/C Units
      • Scroll Compressors for A/C Units
    • Accessories & Tools
      ▼
      • Amprobes
      • Capacitors & Contactors
      • Expansion Valves
      • Filter Driers
      • Flaring & Swagging Tools
      • Gauge Hoses
      • Manifold Gauge Set
      • Ranco switches
      • Suction Driers
      • Thermostats
      • Tube Cutters
    • Refrigerants / Gas
      ▼
      • R134A
      • R22
      • R404A
      • R408A
      • R409A
      • R410A
    • Appliance Parts
      ▼
      • Refrigerator Parts
      • Stove Parts
      • Washing Machine Parts
    • Services
      ▼
      • Installation Technicians
      • Site Visits and Estimates
  • Media Center
    ▼
    • Images
    • Videos
  • Contact Us