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Before I tell you what's not to
like about the
quartz infrared heater
, I'd
like to spend a minute telling
you what I do like and explain
how a quartz infrared heater

How the EdenPure Works
At the heart of these infrared
heaters are the quartz bulbs.

Similar to incandescent lamps,
quartz bulbs are formed by
enclosing a tungsten
resistance wire within a high
purity quartz sheath.
They provide even, non drying  floor to ceiling heat and, according to the manufacturer,
reduce positive ions in the atmosphere responsible for many respiratory problems.

The bulbs are rated to last 5 – 7,000 hours, or 3 – 5 years, and cost around $15 each
to replace.

The Edenpure/SunTwin heaters are offered in 3 sizes: 500, 1,000, and 1,500 watt and
the unit model numbers coincide with the heat output in watts. So a SunTwin 1500
Elite produces 1,500 watts.

The heaters are thermostatically controlled, equipped with a circuit breaker, and have
a 1 year warranty.

What I Do Like About the EdenPure Quartz Infrared Heater
It has a cool to the touch exterior and, unlike some other heaters, doesn't have
glowing red wires or an exposed fan. This is a big plus if you have kids and/or pets.

Despite the complaints some consumers have with the EdenPure, I haven't found one
that is health or safety related. You can read for yourself the results of a Fire Captain's
test of the EpenPure

What's Not to Like
The #1 complaint of consumers who have actually purchased the EdenPure heater
comes down to this: Too little heat for too much money.

Putting aside the cost factor for a moment, I'll address the "too little heat" complaint
Too Little Heat
Most of the ad copy I've read for the EdenPure states it is "rated to heat up to 1,000
square feet."

The term "rated to heat" is useless at best in determining the effectiveness of any
space heater. The results you get from a 1,500 watt heater, EdenPure or otherwise,
depends on how it's being used. Bear in mind, the heat generated by a 1,500 watt
heater approximates only 5,000 Btus. This is minuscule compared to a typical 65,000
Btu oil or gas fired furnace.

If you're depending on a 1,500 watt heater as your
only heat source, it will heat only
150 square feet depending on how well your home is insulated, obstructions to the
flow of heat, such as walls, and the outside temperature.

Here's the basic "rule of thumb" formula for calculating space heater capacity:
Watts/10 = heated space in square feet.  Or: 1,500/10 = 150.

However, if you use a space heater to supplement your existing heating system by
turning back the thermostat and letting the space heater pick up the slack, you could
increase the effective heating range of a 1,500 watt heater to around 400 square feet.

Too Much Money
I chalk this up to what I call the "furniture factor." You can either buy a space heater
that looks like a space heater for less than $100, or one that doubles as an end table
for $400.

Editor's Note: Other manufacturers of quartz infrared heaters now offer products very
similar to the EdenPure/SunTwin heaters but for far less money. The
Dr. Heater brand
portable infrared space heater is one example.
EdenPure Quartz Infrared Heaters: Pros and Cons