Superior Radiant Heater GRT45N two stage

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Superior Radiant Heater GRT45N Two Stage

Infrared Garage Heater

The SRP Series GRT is a two-stage garage heater that offers exceptional thermal efficiency and radiant output, providing unmatched energy savings and year-round comfort in your garage and workshop. Its innovative HI/LO capacity allows for rapid recovery during high-demand periods and cost-effective steady operation during low-demand periods. Experience the perfect balance of performance and efficiency with the SRP Series GRT garage heater, offering high fire at 45,000 BTU/hr and low fire at 30,000 BTU/hr.

Natural Gas and LPG

Hi/Lo indicator lights

Redesigned reflector with integrated deco grille

Includes 8' horizontal vent kit

Direct spark ignition

Preassembled construction - no loose parts, simplified installation.

Approved to residential standards - AGA Reg. 7-89, CAN/CGA 2.5-M86.

Two-stage configuration input rate high 45,000 and low 30,000 BTU/h

Smart control ready terminal

Thermal efficiencies above 82%

Vertical vent kit optional

Self-diagnostic ignition module

Balanced flue construction - one wall opening, maximum safety, minimum installation cost

CSA approved for outdoor use

The Weiss-Johnson Advantage is our ability to go above and beyond for our customers. When you choose Weiss-Johnson as your home comfort specialists you get the wealth of knowledge we have earned as a company for over 40+ years. It's not a surprise Weiss-Johnson is Edmonton's 1st Choice for all Heating, Air Conditioning and Plumbing needs.

Ready to go 24/7/365

Weiss-Johnson is Edmonton's 1st Choice for all your Heating, Air Conditioning and Plumbing needs.

Our certified technicians are available 24/7 year round to ensure that you can get help whenever that may be. Our team is committed to total customer satisfaction no matter what time of day it is.

What Our Customers Say About Us

"The guys were very friendly. They took lots of care and attention when removing the old furnace and replacing it with the new one to not damage anything along the way. Once finished they took the time to explain the operation and go through any questions we had. I would definitely use them again."

- Kyle J.


"This review is for Noel who came to my home to see why our electric air cleaner was not working. He was punctual and super friendly. Found the problem within 15 minutes. Had the part ordered, and 9 days later it literally only took him 3 minutes to replace it for us!"

- Joy H.


"Booking an appointment for a furnace checkup was a very quick and simple phone call. The technician was on time as promised, very knowledgeable and professional. It gave us piece of mind that our 10 year old furnace was in good working order."

- Nicolas L.