Count on Davis Heating & Air Conditioning for installations using top brands, including Daikin and Heil. We can also install programmable thermostats, non-programmable thermostats, or Wi-Fi thermostats. Daikin is the World's No. 1 air conditioning company. Daikin is a global innovator and provider of advanced air conditioning solutions for residential, commercial and industrial applications. For almost 90 years, they have created the most efficient, environmentally-friendly comfort systems enabled by extensive research. With sales in 90 countries worldwide, Daikin is revolutionizing the way people and businesses think about heating and air conditioning.