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About Us
Products
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- Catalog
Allied Air
Fab Shop
News
Resources
Policies
- Sales Policies
- Delivery Policies
Contact
Training
Online Ordering

About Us
Products
- Zip-A-Duct
- Catalog
Allied Air
Fab Shop
News
Resources
Policies
- Sales Policies
- Delivery Policies
Contact
Training
Online Ordering

Resources

Admin Forms

Return Policy & Form
General Sales Tax Exemption Certificate
Credit Application
COD Account Form

Tech Notes

TECH BULLETIN – Curb Adapters
Warranty Claim Form
Heat Pump Information Sheet
80% Gas Furnace Information Sheet
90% Gas Furnace Information Sheet
Air Conditioning Information Sheet

About Capitol Supplies

Founded in 1928 as Capitol Furnace and Stove Repair, our early focus was on supplying cast iron repair parts to the heating contractors of Indianapolis. Sheet metal pipe, registers, grilles, heating controls, and roofing supplies soon filled the shelves in our warehouse at 419 East Washington Street...Read More

Recent News

2023 Changes to HVAC Efficiency
New Service Manuals from Allied Air (AirEase & Concord)
Earn Rewards from ShurTape on all your tape purchases!

Contact Info

2020 N. Illinois Street Indianapolis, IN 46202

Local: (317) 926-6061
Sales Fax: (317) 923-8852
Toll Free: (800) 451-8353
After Hours #: (888) 226-5307
Text-2-Counter: (317) 926-6061

Contact
Delivery Policies
Sales Policies
Online Ordering
Search Catalog
CSI Employee Resources
Oxbox Rebate

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