Contact Us

Diamond HVAC Distributors Inc. office:

539 First St.
London, ON
N5V 1Z5
Phone: (519) 455-1010
Email: info@diamondhvac.ca

Sales Representatives

Bill Williams
Cell: 519-494-8506
Email: bwilliams@diamondhvac.ca

Ken Sitzes
Cell: 519-494-9387
Email: ksitzes@diamondhvac.ca

Technical Support

Cell: 519-319-3188
Email: techsupport@diamondhvac.ca

Office Hours

Monday – 7 a.m. – 5 p.m.
Tuesday – 7 a.m. – 5 p.m.
Wednesday – 7 a.m. – 5 p.m.
Thursday – 7 a.m. – 5 p.m.
Friday – 7 a.m. – 5 p.m.
Saturday – Closed
Sunday – Closed