SEGUIN Heating and Air Conditioning CO. Inc.
is a full service installation Heating,
Ventilation, and
Air Conditioning contracting company located at 21 South
End Plaza in New Milford, Connecticut. We have been in business since 1983 and take pride in the fact that all of our services are provided in house and all technicians are in the employ of our company.

We provide engineering services such as computer heating and cooling load calculations, system design, sales and service. We are dedicated to providing every customer with quality workmanship, service and the individual attention that is required to do a professional job. We are committed to providing the most energy efficient products available on the market today