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Reviews: Harman P43 Pellet Stove
The Harman P43 Pellet stove continues to be a popular appliance with AES Hearthplace Stoveshop customers who are looking for a cost effective way to heat about 1400 square feet. If you own a Harman P43 yourself, here’s your chance to help other folks out who are looking to purchase a new stove. How long have you owned the stove? Would you buy it again? Have you recommended it to friends? Do you think it lives up to Harman’s claims?
Here’s what Harman has to say about the product. Write a comment and let us know what you think and help others make a good decision. Thanks!
The P43 Advantage
The P43 will burn any grade of pellet at maximum efficiency and still keep your home at your desired temperature. Not only can the P43 burn pellets with optimal efficiency and cleanliness, it does it automatically. The P43 automatically lights its own fire and burns at the correct output to maintain the desired room temperature. When no heat is required, the P43 will shut-down and reignite when the demand for heat returns. Just fill the hopper with pellets and set the desired temperature. The P43 will do the rest except for ash removal, which will be needed after approximately one ton of pellets has been consumed.
The Smartest Pellet Stove
The P43′s huge output is managed by a microprocessor that senses the room temperature and the fire temperature with tiny thermistor probes and then determines the best feed rate. This improved and smarter control also has a diagnostic port for connecting an external display showing live working data for easier installation. The platinum combination is Harman’s Patented Feeder and Burn Pot and ESP Control, which have been developed to their highest state. These features work together to allow amazing heat output with different fuel quality, ash content, and moisture. In other words, it improves performance, efficiency, and conserves fuel. From the quality of the newly designed door handle, to the laser-cut and etched details on the accessories, the P43is in a class all its own.
Keeping Safety in Mind
The P43 has several safety features that automatically monitor changes in the stove’s temperature and draft. The P43 cannot overheat. The ESP Probe, which controls the exhaust temperature, will shut the feed motor down if the temperature reaches a predetermined high limit temperature in the exhaust. Another safety feature is the pressure switch, which senses a loss of draft (door left open, blocked flue, etc). If this occurs, it will also automatically quit feeding pellets and shut the unit down.
Specifications
Fuel: Bio-Mass Pellets
BTU Range: 0-43000
Heating Capacity: 1400+ Square Feet
Hopper Capacity: 50 lbs.(110 with hopper extension)
Blower Size: 135 CFM
Flue Size:3″
Outside Air Size: 2-3/8″
Fuse Rating: 6 Amp
Weight: 212 Pounds
Depth: 28-1/2″
Height: 32″
Width: 22″
We love the stove! We live in New Hampshire. In the past 5 or 6 weeks, our existing propane forced hot air system has only run for 2.5 hours, and that was because we were away for a few days! Our home is about 2000 square feet with a center stair case. We leave the upstairs doors open and the stove heats our home comfortably. Our consumption has been about 30 lbs (3/4 bag) a day. With a delivered cost per bag of $5.70, that amounts to about $4.25 per day ($130 per month) for heat with the house at 70-71 during the morning and evening. I expect to use a bit more in the months of January and February.
I installed a set back thermostat in series with the thermister so the stove does turn down when we’re at work and during the night. The house is “told” to drop to 60 during the night from 10p to 4a. At 4a the stove kicks on to 71. At 6:30a the house is again told to drop to 60 and stay there until 1p, at which time the stove kicks on to 71 again. The regular furnace is currently set and held to 56 as a backup.
The stove is a little noisey, especially if the distribution fan is set to a higher speed (not really needed). With a meter, I measured about 500 watts on startup (when the igniter is starting pellets), and about 80 watts during normal running with dstribution fan on low (quieter).
What would I improve? A slightly larger hopper (I guess there is a kit available), a “skirt” around the lower back to hide some of the pipes and possibly reduce some of the mechanical noise, make the pellet hopper a bit wide and shallower to the wall to allow a snugger fit to the wall, and have Harman provide an optional remote set back thermostat of their own brand. The one I am using required me to mount the thermister inside of the thermostat housing so I was correctly obtaining the temperature at the thermostat itself.