Regardless of the time of year, United Air Temp can help homeowners stay comfortable in their homes with their professional heating and cooling services. This Virginia based company provides HVAC services to those in the region of McLean, Virginia. As a full service HVAC company, United Air Temp performs maintenance and repair services on air conditioners, furnaces and even modern geothermal systems.

Excel Mechanical Contractors is Maryland based company which offers residential and commercial HVAC services for those residing in the Baltimore region. In addition to heating and cooling related repairs, this company also offers a preventative maintenance program which is designed to identify potential problems before they occur. Participating in the PM program offered by Excel Mechanical Contractors will allow customers to reduce downtime and extend the life of their HVAC systems.

Ontario Duct Cleaning operates a duct cleaning service for residential, commercial and industrial customers in the Peterborough, Ontario region. Utilizing the services of this company, customers are able to reduce indoor dust and improve air quality. Another benefit of clean ducts is enhanced airflow and HVAC system efficiency.

SHR Air Conditioning & Heating is a licensed HVAC company based in Dallas, Texas. This company offers a variety of services to maintain, repair and replace furnaces and air conditioners. Whether it's a scheduled service call, or a twenty four hour emergency, SHR Air Conditioning & Heating is available to assist property owners with their light commercial or residential heating and cooling needs.

Laird & Son is a third generation heating, furnace and air conditioning company based in Toronto. This company has over 60 years of experience helping families stay comfortable in their homes. Laird & Son can assist with all of your HVAC needs, including emergency service calls.

Al-Don is a HVAC company which is based in St. Louis. This company holds seats on both the National Board of Directors for the Air Conditioning Contractors of America and the Indoor Air Quality Network. Al-Don can assist industrial, commercial and residential customers with all of their heating and cooling needs. Additionally, Al-Don offers affordable solutions for your air purification needs.

Texas Central Air is a Houston, Texas, central air conditioning and heating company. This HVAC company employs highly skilled technicians which can handle all of your HVAC repair and new installation needs.

Founded in May 1986, Cedar Park Air Conditioning has been servicing Greater Austin's residential and commercial customers for more than 20 years with integrity and expertise in all types of heating and air conditioning systems.

This website offers information on how central air conditioner works, the history of air conditioning, and how the basic refrigeration cycle works. This information is especially useful to homeowners and students alike.

Cool Air Inc. offers portable air conditioner rentals and sales. They specialize in data center cooling, emergency cooling, and cooling other areas that do not have adequate central air conditioning. Cool Air's spot cooling solutions are ideal for hot spot areas.