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New garage heater
I’m shopping for a new garage heater. I’m looking at a Modine or Reznor. Is one better than the other? Any other ones I should look at ?
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Either brand is good quality.
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The Reznor units are really good. Come with a 10 year warranty on the heat ex-changer. There also very easy to repair if any issues. Gotta use the new stainless steel venting. goes together very nice.
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Just
Picked Up a sterling which is modine Off brand seems nice. How big a garage and heater are you doing ? Propane Or gas? |
I’m building a 24x40 garage. Was thinking I need a 60,000btu natural gas. I do have a Modine in my attached garage and have had no problems with it for 12 yrs. I have heard that if you do have any problems/questions that Modine will not even talk you unless your an authorized installer.
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I run a Rheem down blow 92%efficient, with a water separation to extract more heat. Probably 2k to buy one though, but I wanted the heat to be down near the floor and rise once mixed, vs blowing reheated air from the ceiling at an angle down. Hot air rises...
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I am using Roberts-Gordon Vantage II's
It is a radiant heat tube system powered by Nat Gas or Propane (mine is propane) I use two of them in the shop, the shop stared out @ 40x 88, so I bought them at 36 feet each (one in the paint room & one in the main part of the building. The building is now 56 X 88 & they still heat it very well. Radiant heat tubes heat the metal, cement, etc not the air & these are extremely efficient!!!! My shop never gets below 55 degrees in the winter & my propane bills are dirt cheap! God Bless Bill https://www.jalopyjournal.com/forum/...closed.614419/ |
I have a 80,000 BTU Mr. Heater Maxx. Runs on Propane. $419.00 at Menards. Mine is 7 years old. Heats a 28X36 Pole barn with a 12' ceiling very quickly in the coldest Ohio weather. No issues yet.
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Radiant Heat
Definetly use as above, radiant tube heat is best for a multitude of reasons.
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Not sure that I like the look of the radiant tube heaters. I see that Sterling makes a high efficiency unit heater that can be vented with pvc pipe like a house furnace. I like the idea of that. But they are expensive.
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Radiant tube heaters provide a nice comfortable heat, but most are meant for high ceilings in commercial shops. For a regular residential garage you have to get one that's designed for lower ceilings.
Unit heaters are a lot more common for home use. In either case, don't guess on the size - you need to have a heat loss calculation done to make sure it's big enough (or not too big.) If you buy the heater from a regular HVAC dealer they should be able to do the calculation for you, if not there are numerous online calculators where you can plug in the numbers for your application. If you haven't already done so, make sure you have good insulation in the walls and ceiling, and that the overhead door, entry door and windows are well sealed; otherwise you're just throwing away money on wasted heat. |
Post #7 Bill's Auto Works. PM to you, Tom Vaught
Tom V. |
It will be well insulated. I did use an online calculator to figure the size I need. Came out to 50,000 btu. Looks like most of them are 45k or 60k.
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Stuart is right though, radiant heat is best for commercial style, high ceiling buildings. My bay doors are 12footers & the ceilings are 14ft or so! God Bless Bill https://www.jalopyjournal.com/forum/...closed.614419/ |
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heating a garage. Concrete pads “cold soak” unless they are insulated when they are poured. The propane barn heater I use in my garage is variable output; 125,000-250,000 BTUs. It will empty a 40lbs propane cylinder in 8 hours on the 250,000 BTU setting. Propane is going to be expensive this winter. Just had the tank at the farm filled; 400 gallons at $3.199 per gallon. Last year, it was $2.119 per gallon. |
Reading all these posts, it a shame I can't trade you some hot air in exchange for your cold air. :)
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tubin'
my humble 2 cents on the tube heaters.......(almost went forced air, but thankfully a friend with a large shop advised me not to, they suck the gas. he had been there done that)
forced air, noisy/blows dust/exposed flame/heated exhaust pumps humidity and condensation/fumes could reach exposed flame. radiant tube, incredible how little gas it uses, quiet, outside air intake/outside exhaust, no humidity or condensation, no fume or flame worries. easy to install, 2 stage thermostat controlled. mines a reverb-a-ray by detroit radiant. 125,000 btu, 30' straight run then u turns 12'. 4 years ago $1,400 bucks. bargain in my book for what it does and how much I use it. 30 x 40 x 12 metal pole building. mostly un-insulated. I did insulate the north wall. I did not insulate the ceiling or anything else because the metal building even on a cold day, as long as its sunny radiates heat from the metal. great during winter when I do most my hobbyin'. summer, yep it cooks. so its a trade off. but i have 2 big doors for ventilation. Place I purchased mine from had me send a pic of my shop and designed it out for me. I installed it per their instructions dropped I think 12". installation chart lists inches from wood based on btu's of unit. if your shop is smaller/ceiling is lower, you obviously need less btu's thus less requirement of distance from wood or other flammables. many folks have them in standard attached garages. so they are not only for large high walled/ceiling commercial shops. you just see them in these because they work so good! after the long info-mercial, please, not tryin to bash the forced air folks! just hoping to help others via the learning curve I had. thanks. |
Tubin
Mine is the HL3 series commercial.
here's an example of a small residential unit. would be a toasty little garage for sure. everything in between residential/commercial is made to suit. |
How long does it take to raise the room temp with a radiant tube? If the garage is normally kept at 50* and I want to raise it to 70* does that take a long time?
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There are Way Too many factors to respond with a real answer : building size, how well it is insulated, outside temp, how big the heater is, etc,etc, I can only say that it does not take long at all, because radiant heat tube heats objects (I.E. Cement, Metals, etc) & not the air. My example ..... I keep both of mine at 55 degrees minimum, when I go into the shop I turn the one in the main part of the building up to 70 deg. (if that is where I am working) That room is approx. 56 x 40, 14ft ceiling & very well insulated. Within 15 minutes it is shutting off on its own. God Bless Bill https://www.jalopyjournal.com/forum/...closed.614419/ |
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