Sunstar Sir25-15-N Review

The Sunstar sir25-15-n is a great product from SunStar. This model part number SIR25-15-N, is an excellent heater. This hearer is ideal for garages, greenhouses, workshops among other large spaces that require a lot of heat or really cold places.

The efficiency of this garage heater can range up to 85%. It also has a compact design and the materials used to construct the heater include Aluminum and stainless steel. This makes this heater even strong and durable, plus it comes with a 1-year warranty period.


Sunstar Sir25-15-N Heater Review

This U-tube design heater can be places horizontally or vertically.  If you want to place this conventional space heater in the garage, then it is recommended that it be vented outside on the sidewalls or on the roof. And if you want it for commercial purposes, then it can be placed indirectly using separate materials.

Keep in mind though, you will need to purchase several things like horizontal vent kit and also the vertical vent kit. Also the same applies in residential or commercial spaces where the Sunstar sir25-15-n has to be aligned indirectly. For commercial spaces, you will have to purchase an exhaust hood.

Manufactured in November 2010, this heater has slowly gained the trust of many clients because of it impeccable features. It can dissipate heat for heights up to 1,500 meters. It also has 25,000 BTU output, which is perfect for large spaces.

When it comes to saving on electricity, this grey heater is excellent. It saves up to 25% of the electricity consumption because of its low intensity radiant heater. This only means you will not pay huge amounts of electric bills.

Unlike other garage heaters, the Sunstar sir25-15-n has a combustion chamber that ensures its safety feature. It is very safe in that it eliminates any possibility of gas leaks therefore preventing possible fires that can be hazardous.

Another feature of this heater is that it comes with a direct spark ignition SYS with 100 gas safety shut-off feature. When it gets too hot, it will automatically shut off saving on electricity and preventing accidents.  The heater is also known for uniformly distributing heat even to hard-to-reach places.

  Installation Process

The installation process of this heater is very breeze. It comes with a well-detailed instruction manual with pictorial representation guiding you to the last process until it is ready to use. It is highly recommended to have a helping hand and mostly someone who has experience. This is to enable everything to run smoothly.

Also, during the installation process, you will need to have some other small appliances that need to be purchased separately. Make sure to get good quality ones so that you will not need replacements.

Also check:Best Garage Heaters: Reviews & Buyer Guide

Main features:

  • Comes with hassle free warrant period of 1 year.
  • Easy to install.
  • Long-lasting.
  • Efficient.
  • Powerful.


The only drawback is the separate items that don’t come as a package. But for its price, the sunstar sir25-15-n is the best heater for a garage or commercial places. It has five-star ratings on Amazons and highly recommended by satisfied customers.


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