Spring Maintenance Checklist for your HVAC
May 16

Spring Maintenance Checklist for your HVAC

As the warmer weather finally bursts its way through, you’re likely planning more outdoor activities. However, have you thought about your cooling system yet? There… Read More

The three most common approaches to reducing indoor air pollution, in order of effectiveness, are:
January 5

The three most common approaches to reducing indoor air pollution, in order of effectiveness, are:

Source Control: Eliminate or control the sources of pollution; Ventilation: Dilute and exhaust pollutants through outdoor air ventilation, and Air Cleaning: Remove pollutants through proven… Read More

Mini-Duct Air Distribution System
January 5

Mini-Duct Air Distribution System

High-velocity, small-diameter HVAC duct systems that can be easily installed. Summary Many owners of older homes without forced-air HVAC systems, would like to add central… Read More

Selecting and Installing a Geothermal Heat Pump System
January 5

Selecting and Installing a Geothermal Heat Pump System

When selecting and installing a geothermal heat pump, consider the heating and cooling efficiency, the economics of the system, and your site’s characteristics. Be sure… Read More

Types of Geothermal Heat Pumps
January 5

Types of Geothermal Heat Pumps

There are four basic types of ground loop systems. Three of these — horizontal, vertical, and pond/lake — are closed-loop systems. The fourth type of… Read More

Geothermal Heat Pumps
January 5

Geothermal Heat Pumps

Geothermal heat pumps (GHPs), sometimes referred to as GeoExchange, earth-coupled, ground-source, or water-source heat pumps, have been in use since the late 1940s. They use… Read More

Air-Source Heat Pumps
January 5

Air-Source Heat Pumps

Electric air-source heat pumps, often used in moderate climates, use the difference between outdoor air temperatures and indoor air temperatures to cool and heat your… Read More

Heat Pump Replacement Tips
January 5

Heat Pump Replacement Tips

A heat pump can save as much as 30% to 40% of the electricity you use for heating. Why Buy an Energy-Efficient Heat Pump? If… Read More

Advanced Features to Look for in a Heat Pump
January 5

Advanced Features to Look for in a Heat Pump

Several relatively new innovations are improving the performance of heat pumps. Unlike standard compressors that can only operate at full capacity, two-speed compressors allow heat… Read More

How heat pumps achieve energy savings and CO2 emissions reduction
January 5

How heat pumps achieve energy savings and CO2 emissions reduction

Heat pumps and energy-saving This section gives a brief introduction to heat pumps. Based on six basic facts about heat supply the value of heat… Read More