solar heat : An Explanation of the Solar Heat Gain Coefficient

In simple terms the Solar Heat Gain Coefficient is the percentage of heat that strikes the exterior of a window that is passed to the interior of the home and is a general gauge of the window's energy efficiency. The heat gain coefficient is

Read more ...

cheap electric : Cheapest Trex 450 clone helicopter build / setup #2

An introduction to a video series where you can learn how and where to buy all the parts to make a nice flying Trex 450 clone helicopter for only about $286. That includes EVERYTHING needed to fly. You can buy

Read more ...

backup power: Packaged Terminal Air Conditioner Heat Pump With Electric Heat R-410A Refrigerant Cooling 9000 BtuH Power Cord Length 5 Ft Requires Wall Sleeve and Exterior Grille for New Installations

Packaged Terminal Air Conditioner Heat Pump With Electric Heat R-410A Refrigerant Cooling 9000 BtuH Power Cord Length 5 Ft Requires Wall Sleeve and Exterior Grille for New Installations

List Price:

8,100 BTU Heat Pump3.0 kW Electric Heat Backup11.3 EERR-410A Refrigerant265 Volt

List Price:
Your Price: -
Electronic temperature limit with separate heating and cooling ranges Filtered fresh air intake Room freeze

Read more ...

backup power: Tekkeon TekCharge Mobile Power and Battery Charger

Tekkeon TekCharge Mobile Power and Battery Charger

List Price: $24.95

The maximum output current for MP1550 is 800mA. It is not recommended to charge your device that requires higher than 800mAVisual indicators identify power capacity level and statusSmall and lightweight so it's comfortable to carryCharges

Read more ...

solar energy: OWI 6-in-1 Educational Solar Kit

OWI 6-in-1 Educational Solar Kit

List Price: $19.99

Another high quality Solar Education kit from OWIBuilding these projects teach the benefits of solar energy while having funBuild six different working models including an airboat, windmill, puppy and two different

Read more ...

solar energy: Solar Electricity Handbook - 2011 Edition: A Simple Practical Guide to Solar Energy - Designing and Installing Photovoltaic Solar Electric Systems

Solar Electricity Handbook - 2011 Edition: A Simple Practical Guide to Solar Energy - Designing and Installing Photovoltaic Solar Electric Systems

List Price: $17.99



List Price: $17.99
Your Price: $14.66-
The Solar Electricity Handbook is a simple, practical guide to using electric solar panels and designing and installing photovoltaic PV systems. Significantly updated

Read more ...

diesel generators: ETQ TG32P12 4,000 Watt 7 HP 207cc 4-Cycle OHV Gas Powered Portable Generator

ETQ TG32P12 4,000 Watt 7 HP 207cc 4-Cycle OHV Gas Powered Portable Generator

List Price: $399.99

3250 running watts/4000 max wattsETQ 7HP 4 stroke air cooled OHV engine with low oil shut down4 gallon fuel tank provides 13 hours of run time at 50% loadLess than 65 dbNon-CARB Compliant/Not For Sale In California

List Price: $399.99
Your Price: $399.99-
ETQ 207cc 7 HP OHV engine with low

Read more ...