Average Reviews:
(More customer reviews)Updated 2/26/11
I had been very pleased with this heater UNTIL today. I have used the heater several times during the past 2 months. Today I warmed up the garage and worked during the morning then shut down the heater and ran some errands. I started the heater this afternoon and after about about 10 minutes I looked over at the heater and there were FLAMES coming out from all sides and the main burner valve knob was on fire. I ran to the propane tank and got everything shut down - Thank goodness I was watching, the rubber propane hose could have easily melted and I would have had a wreck. It appears there was a malfunction on the burner valve that allowed gas to escape and ignite. Now 1 month past Amazon Return time I have to deal with manufacturer warranty. So now I have to mail it in, at my expense, and wait to see if they will stand behind the product. In the mean time I have to heat in the garage.
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I have only had this heater two days. That said, I took it home yesterday attached the propane (that was essentially all there was to set-up) and fired it up on low and it put out a pleasant heat.
This morning the temperature was about 6 below zero and I turned the heater on and set it on high. I let it run for about 15 minutes and the garage had warmed up significantly, it was at least 40-50 degrees and possibly warmer. I didn't check the thermometer (digital one in my car) until after I left the garage. But as I was driving my car away from the garage I noticed the temperature was rapidly counting down - at that point it was already down to 20 degrees - and continued down to the outside temperature of 6 below.
My garage is detached 30' X 30' with 14' high ceiling, so it was heating over 12,000 cubic feet.
This is a replacement space heater. The previous one was a Mr. Heater Portable Propane Forced Air Heater (jet heater). I was a bit worried with the fact that the new one was convection but that concern was unfounded. It actually heats the area much faster. The convection heater does not seem to put off nearly as much smell as the forced air heater, in fact it was essentially odorless. Although with this first test I did not use a fan to circulate the warm air, I am sure that will improve it's already impressive performance. Unlike the forced air heater, this one does not require an electrical connection to operate so all you have to do is supply the gas and turn it on. One possible drawback would be that I was able to use the forced air heater to thaw frozen pipes since you can direct the heat, and the convection heater won't work for that.
It does make noise as it burns the propane. If you have a weed burner, or a branding stove, that is what it sounds like. The volume increases at higher settings. It was a little quieter than the forced air heater though.
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Mr. Heater MH200CV 200,000-BTU Propane Convection HeaterThe Mr. Heater MH200CV 30,000-80,000 Btu portable propane convection heater is ideal for heating very large indoor spaces of up to 4,700 square feet. The convection design draws cold air up from the floor through propane burners then distributes warm air out through the top, giving you 360-degree directional heat. The unit features a piezo push-button igniter, adjustable heat output control (from 75,000-200,000 Btu), and an "Insta-Lock" system for easy, tool-free assembly. For safety, the heater shuts off with loss of flame, and the sturdy base keeps it upright. The included 10-foot hose connects to 100-pound (minimum required) propane cylinder. CSA Certified. One-year limited warranty.--Josh Dettweiler
What's in the BoxHeater, thermocouple, manual, operating instructions, regulator, 10-foot hose
Five Tips for Buying a HeaterChoosing a space heater is a matter of sifting through a bewildering array of types, power ratings, and fuel sources. Let's break it down a little to make the process easier.
What are the different types of space heaters?
Radiant heaters emit infrared radiation that directly warms the objects in front of the heaters (rather than the surrounding air). If you only need heat by a desk or in a small section of a room, a radiant heater is quiet and will use very little power.
Forced-air heaters use a fan to blow air that has been warmed by metal or ceramic heating elements. A forced-air heater is appropriate for quickly heating up a small- to medium-sized room, but can be noisy.
Convection heaters draw cold air from the floor; the air is warmed by heating coils and emitted from the top of the heater. A convection heater is appropriate for quickly heating up a small- to medium-sized room, but also can be noisy.
Radiators work by heating oil enclosed in a reservoir, gradually heating the surrounding air. If heating speed isn't an issue, you might want to opt for a radiator. These are extremely quiet and effective--perfect for bedrooms.
Should I buy an electric or a combustion model?If you want a heater that will be available in emergencies, or that can heat areas larger than a single room, choose a "combustion" model--one that is powered by a gas or fuel like propane, kerosene, natural gas, or diesel. Which fuel type you choose depends largely on convenience and local availability. For example, diesel would be appropriate for a heater you take with you on long car trips.
How powerful a heater do I need?Heaters are rated by BTU, which stands for British Thermal Unit (the amount of heat needed to heat one pound of water by 1 degree F). To find out how many BTU you need:
Calculate the volume of the space to be heated by multiplying square footage by height.
Multiply that number by 4 if your insulation is poor, 3 if it's average, or 2 if it's good.
The resulting number is a ballpark figure for how many BTU you'll need.
Do space heaters cost a lot to operate? As a general rule, electric space heaters are more expensive to use than combustion models. To ensure energy efficiency, a thermostat is a must-have feature for any heater. For radiant heaters, models with a 360 degree heating surface can heat larger spaces. If you need a forced-air heater, models with ceramic elements tend to be more efficient.
Are space heaters a fire hazard?Space heaters are implicated in about 25,000 residential fires every year. To ensure proper safety, always follow the manufacturer's usage instructions and fill out the warranty card to receive informational updates from the manufacturer. Also, look for extra safety features such as an automatic shutoff switch that can shut down the unit if, for example, it gets upended. In addition, choose a model where the heating element is adequately enclosed within the unit.
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