Useful Videos
Sizing Guide: Is 90,000 BTUs Enough for Your Home?
When I bought my Weil-McLain CGI-4 Series 4 cast iron boiler, the spec sheet said 90,000 BTUs. But I kept asking myself: Is that really enough for ...
Boiler Cost Breakdown: Equipment, Installation, Energy Use & Long-Term Value
When I decided to replace my old boiler with the Weil-McLain CGI-4 Series 4 (90,000 BTU cast iron natural gas boiler), I thought the hard part woul...
Heating Performance in Winter: Can the CGI-4 Handle Extreme Cold?
When I upgraded to the Weil-McLain CGI-4 Series 4 (90,000 BTU cast iron gas boiler), I knew it was going to be tested by one thing: Midwest winters...
Noise, Space & Venting: Will a 90,000 BTU Boiler Fit in Your Utility Room?
When I bought my Weil-McLain CGI-4 Series 4, 90,000 BTU cast iron natural gas boiler, I wasn’t just thinking about heat. I was worried about whethe...
Do Natural Gas Boilers Qualify for Rebates or Tax Credits in 2025?
When I installed my Weil-McLain CGI-4 Series 4 natural gas boiler, one of my first questions was: Am I going to get any money back for this?
Betwee...
Weil-McLain vs. Burnham vs. Utica: Which 90k BTU Boiler Does Mike Recommend?
When I started shopping for a new 90,000 BTU natural gas boiler, I quickly realized three names kept popping up everywhere: Weil-McLain, Burnham, a...
Troubleshooting Guide: What to Do If Your Gas Boiler Isn’t Heating Right
There’s nothing worse than a boiler that quits on the coldest day of the year. I’ve been there. My Weil-McLain CGI-4 Series 4 had been running smoo...
Maintenance Checklist: Keeping Your Weil-McLain CGI-4 Boiler Running Smooth
When I first installed my Weil-McLain CGI-4 Series 4 90,000 BTU Cast Iron Boiler, I thought I was done. New boiler, check. Warm house, check. But a...
Installation Guide: What Mike Learned Setting Up the CGI-4 Boiler
When I first decided to replace my old boiler with the Weil-McLain CGI-4 Series 4 90,000 BTU Cast Iron Natural Gas Boiler, I thought it would just ...
FAQs Mike Always Checks Before Contacting Support
By Mike Sanders – DIY Homeowner & Furnace Outlet Customer
If you’re like me, the first instinct when something doesn’t go as planned is to grab...
What Happens After You Submit the Contact Form? Behind-the-Scenes Process
By Mike Sanders – DIY Homeowner & Furnace Outlet Customer
If you’ve ever filled out an online contact form, you know the feeling—you hit “submi...
Live Help vs. Email: Which One Mike Recommends for Faster Solutions
By Mike Sanders – DIY Homeowner & Furnace Outlet Customer
If you’ve ever needed help from The Furnace Outlet, you’ve probably asked yourself: S...