Best Lab Furnaces

In addition to covering the heat exchanger with a Lifetime Limited Warranty to the original, registered homeowner, if the heat exchanger fails during the first 10 years of ownership, we will replace the entire unit for as long as you own your home. Goodman® Single-Speed 1-Stage Upflow / Horizontal Low Nox Gas Furnace, 17-1/2 In, 92% Afue, 80,000 Btu, 1,200 Cfm.
Reviews
Find Best Price at Amazon"These furnaces are the best install many of them never have a problem with them they're good."
"I have had great luck with the Goodman brand for years."

Product Features. •Heavy-duty aluminized-steel, dual diameter tubular heat exchanger. •Durable Hot-surface igniter. •Quiet, single-speed draft induced. Enter your model number to make sure this fits.
Reviews
Find Best Price at Amazon"Works great."

This Goodman gas furnace is designed for multi-position (upflow, horizontal right, or horizontal left) installations. Goodman® Gas Furnace, 80% Afue, 40,000 Btu.
Reviews
Find Best Price at Amazon"Great price, install went well, But it is a little noisy."
"Works well out in the shop - arrived in good shape."
"It tunrned out to be a Defective product, worked for about 8 hours then burn won’t turn on, motor keeps blowing cold air."
Best Lab Furnace Equipment
Best Lab Furnace Accessories

Rheem 68-23427-26.
Reviews
Find Best Price at Amazon"They are simple to put on and made a huge difference in noise when our heat pump would go into defrost mode."
"Something started going wrong with my new Rheem Classic RA16 and it was creating a terrible buzzing sound when the compressor was running, sounding almost like, well, an oil-free air compressor."
"Put it on my american standard scroll compressor now I just hear fan noise when standing next to condenser unit."
"The universal fit design works well with my compressor."