When it comes to HVAC services, like heating and air conditioning services, we, Teressen Heating Ltd are a name. They have expert technicians who assist in giving the best advice on an on-site visit or help with a free quotation for the installation system. The company has always earned a reputation as one of the major and fastest-growing HVAC services in Canada.

At Ultra Air HVAC, they pride themselves on providing reliable, high-quality heating, cooling, and gas appliance services to homes across Ottawa. With years of experience in the HVAC industry, their team is dedicated to keeping homes comfortable year-round. From furnace and A/C installations to emergency repairs, they deliver professional service with a 100% satisfaction guarantee.

Ventive Limited is a pioneer in the design of naturally intelligent ventilation systems to deliver fresh air at minimal energy cost. Tom Lipinski founded the company with the vision that ventilation can play a key role in the sustainable architecture of the future. Almost all of the air breathed, within the built environment, can be introduced comfortably without the need for further power, heating, or cooling.