Don Swallow, founder and still active member of the team, with 35 plus years in the H.V.A.C. Industry has built a firm and solid reputable company which you can rely on 24 hours a day, any time of the year. J.D. Swallow Heating Contractors Inc. has been selling, installing and servicing heating and cooling products to improve and maintain the comfort of Ottawa area homes and businesses for over 21 Years. We provide support for historical products and provide leading edge solutions for today's challenges.